Notebookcheck

Dell Latitude 5591 (8850H, MX130, Touchscreen) Laptop Review

More power. Equipped with a 45 W Coffee Lake-H CPU and dedicated graphics, the Latitude 5591 is a more potent version of Dell's 15.6-inch mid-range Latitude 5590. The performance is up significantly, but surface temperature and noise level have increased as well.

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The Latitude 5591 is the Coffee Lake-H version of Dell’s business-oriented mid-range 15.6-inch Latitude 5590 series. The review notebook features a hexa-core i7-8850H CPU, 16 GB of RAM, a 512 GB SSD and Nvidia GeForce MX130 graphics. Just a few months ago we reviewed the Dell Latitude 5590 with i5-8250U, 8 GB of RAM, 256 GB SSD and integrated graphics. At least on paper, the 5591 with 45 W processor and dedicated GPU promises significant performance gains.

As far as the features, construction and build quality are concerned, the Latitude 5591 is virtually indistinguishable from the Latitude 5590, so we will skip certain review sections and will focus primarily on the differences between the two machines. In addition to the main competitors like the Lenovo ThinkPad T580 or the HP EliteBook 850 G5, we will also reference the smaller 14-inch Latitude 5491 with identical hardware.

Dell Latitude 5591
Graphics adapter
NVIDIA GeForce MX130 - 2048 MB, Core: 1242 MHz, Memory: 1253 MHz, GDDR5, 389.8, Optimus
Memory
16384 MB 
, PC4-21300 DDR4
Display
15.6 inch 16:9, 1920 x 1080 pixel 141 PPI, multitouch, AU Optronics B156HW03, IPS, glossy: yes
Mainboard
Intel CM246
Storage
Toshiba XG5 KXG50ZNV512G, 512 GB 
Soundcard
Intel Cannon Lake-H/S - cAVS (Audio, Voice, Speech)
Connections
3 USB 3.0 / 3.1 Gen1, 1 USB 3.1 Gen2, 1 Thunderbolt, 1 HDMI, 1 DisplayPort, 1 Kensington Lock, Audio Connections: Headset/mic combo jack, Card Reader: SD 4.0, 1 SmartCard, 1 Fingerprint Reader
Networking
Intel Ethernet Connection I219-LM (10/100/1000MBit), Intel Wireless-AC 9560 (a/b/g/n/ac), Bluetooth 5.0
Size
height x width x depth (in mm): 24.3 x 376 x 250.7 ( = 0.96 x 14.8 x 9.87 in)
Battery
92 Wh Lithium-Ion, 6-cell
Operating System
Microsoft Windows 10 Pro 64 Bit
Camera
Webcam: 720p
Additional features
Keyboard: Chiclet, Keyboard Light: yes, 36 Months Warranty
Weight
2.338 kg ( = 82.47 oz / 5.15 pounds), Power Supply: 564 g ( = 19.89 oz / 1.24 pounds)
Price
2412 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

The touchscreen-equipped notebooks in the 5590/5591 series are 1 mm thicker than their non-touch counterparts, but in all other aspects, they are completely identical. Our particular test notebook features a much larger battery (92 vs 51 Wh) than our last review notebook, which makes sense given the potent hardware. It's unsurprising that the 5591 now weighs more as well: while our previous Latitude 5590 weighed in at 2 kg (~4.45 lbs) even, the new model is about 340 g (~12 oz) heavier. A 130 W power adapter replaces the 65 W unit and adds another 250 g (~9 oz) to the all-up carry weight.

Lenovo's competing ThinkPad T580 is not as wide, a little thinner and weighs slightly less than the Latitude. The prosumer Dell XPS 15 with i5 Coffee Lake-H CPU and GeForce GTX 1050 weighs under 2 kg and is in a league of its own as far as the footprint and thickness are concerned.

Connectivity

The main difference between our current review notebook and the previous test model as far as the physical ports are concerned is the addition of Thunderbolt 3 port in place of the USB Type-C port with DisplayPort support. All remaining physical ports are identical between the two versions.

SD Card Reader

SD card reader performance as measured with our Toshiba Exceria Pro SDXC 64 GB UHS-II reference card is outstanding with sequential transfer rates of 209 MB/s and thus on par with the Latitude 5590. Copying 1 GB worth of jpeg files from the SD card to the desktop takes exactly six seconds.

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SDCardreader Transfer Speed
average JPG Copy Test (av. of 3 runs)
Dell Latitude 5590
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
178.2 MB/s ∼100% +4%
Dell Latitude 5591
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
171.1 MB/s ∼96%
Dell XPS 15 2018 i5 FHD 97Wh
 
123 MB/s ∼69% -28%
Lenovo ThinkPad T580-20LAS01H00
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
77.8 MB/s ∼44% -55%
Acer TravelMate 2410-G2-MG-82E6
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
16.8 MB/s ∼9% -90%
maximum AS SSD Seq Read Test (1GB)
Dell Latitude 5591
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
209 MB/s ∼100%
Dell Latitude 5590
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
203.3 MB/s ∼97% -3%
Dell XPS 15 2018 i5 FHD 97Wh
 
199.7 MB/s ∼96% -4%
Lenovo ThinkPad T580-20LAS01H00
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
85.4 MB/s ∼41% -59%
Acer TravelMate 2410-G2-MG-82E6
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
24.3 MB/s ∼12% -88%

Communication

Like the smaller 14-inch sibling Latitude 5491, the 5591 features an updated Intel Dual Band Wireless AC 9560 a/b/g/n/ac 2x2 module with the longer-range Bluetooth 5.0 on board. We measured transmit and receive rates of 681 and 680 MBit/s at a distance of one meter from our Linksys EA8500 test router - are very good result. The 5591 outperforms the 5590 with Intel Dual Band Wireless-AC 8265 by a significant margin. We didn't encounter any connective issues or dropouts during the test period.

Networking
iperf3 Client (receive) TCP 1 m 4M x10
Dell Latitude 5591
Intel Wireless-AC 9560
680 MBit/s ∼100%
Lenovo ThinkPad T580-20LAS01H00
Intel Dual Band Wireless-AC 8265
638 MBit/s ∼94% -6%
Dell XPS 15 2018 i5 FHD 97Wh
Killer Wireless-n/a/ac 1535 Wireless Network Adapter
542 MBit/s ∼80% -20%
HP EliteBook 850 G5 3JX58EA
Intel Dual Band Wireless-AC 8265
532 MBit/s ∼78% -22%
Acer TravelMate 2410-G2-MG-82E6
Intel Dual Band Wireless-AC 7265
505 MBit/s ∼74% -26%
Dell Latitude 5590
Intel Dual Band Wireless-AC 8265
328 MBit/s ∼48% -52%
iperf3 Client (transmit) TCP 1 m 4M x10
Dell Latitude 5591
Intel Wireless-AC 9560
681 MBit/s ∼100%
HP EliteBook 850 G5 3JX58EA
Intel Dual Band Wireless-AC 8265
667 MBit/s ∼98% -2%
Acer TravelMate 2410-G2-MG-82E6
Intel Dual Band Wireless-AC 7265
613 MBit/s ∼90% -10%
Dell XPS 15 2018 i5 FHD 97Wh
Killer Wireless-n/a/ac 1535 Wireless Network Adapter
539 MBit/s ∼79% -21%
Dell Latitude 5590
Intel Dual Band Wireless-AC 8265
250 MBit/s ∼37% -63%
Lenovo ThinkPad T580-20LAS01H00
Intel Dual Band Wireless-AC 8265
162 MBit/s ∼24% -76%

Warranty

Our review unit comes with a 3 Year Hardware Warranty with Onsite/In-Home Service after Remote Diagnosis. Dell offers many additional extensions and optional coverage: an upgrade to 5 Years of ProSupport with Next Business Day Onsite Service, to name an example, cost $160. Accidental Damage Service can be purchased for the same period for $125 more.

Display

The IPS touchscreen panel (type B156HW03) is supplied by AU Optronics and features an FHD resolution of 1920 x 1080 pixels, which equates to a pixel density of 141 PPI. Subjectively, text and icons are crisp with none of the graininess we often encounter on matte panels. At just over 230 nits, the average brightness unfortunately is quite low, a situation worsened by the fact that we are dealing with a glare-type display here which is plagued by very noticeable reflections. HP's upscale and matte EliteBook 755 G5 reaches a brightness of 410 nits. Alternatively, Dell also offers a non-touch anti-glare FHD display for the 5591 - likely the same the Latitude 5590 is equipped with - and even an anti-glare HD panel with a behind-the-times resolution of only 1366 x 768 pixels.

The contrast ratio of about 950:1 is decent enough and comparable to most competitors. The brightness distribution is also acceptable at 88 percent, but the panel suffers from noticeable backlight bleeding particularly in the righthand corners, which can be distracting when watching movies. PWM isn't used, so users sensitive to flickering won't experience issues when adjusting the display brightness.

Subpixel array (141PPI)
Subpixel array (141PPI)
Backlight bleeding in the corners
Backlight bleeding in the corners
231.6
cd/m²
215.2
cd/m²
216.3
cd/m²
241.5
cd/m²
245.4
cd/m²
234.7
cd/m²
242.1
cd/m²
241.3
cd/m²
233.9
cd/m²
Distribution of brightness
X-Rite i1Pro 2
Maximum: 245.4 cd/m² Average: 233.6 cd/m² Minimum: 11.75 cd/m²
Brightness Distribution: 88 %
Center on Battery: 245.4 cd/m²
Contrast: 944:1 (Black: 0.26 cd/m²)
ΔE Color 5.36 | 0.4-29.43 Ø6.2, calibrated: 4.06
ΔE Greyscale 3.5 | 0.64-98 Ø6.5
58.1% sRGB (Argyll 3D) 40% AdobeRGB 1998 (Argyll 3D)
Gamma: 2.53
Dell Latitude 5591
AU Optronics B156HW03, IPS, 15.6, 1920x1080
HP EliteBook 850 G5 3JX58EA
AUO24ED, IPS LED, 15.6, 1920x1080
Lenovo ThinkPad T580-20LAS01H00
NV156QUM-N44, IPS LED, 15.6, 3840x2160
Acer TravelMate 2410-G2-MG-82E6
CMN N140HCA-EAB, IPS, 14, 1920x1080
Dell Latitude 5590
NV15N42, IPS, 15.6, 1920x1080
HP EliteBook 755 G5 3UN79EA
BOE074E, IPS, 15.6, 1920x1080
Response Times
6%
-14%
17%
-35%
-5%
Response Time Grey 50% / Grey 80% *
45.2 (26.8, 18.4)
42 (20, 22)
7%
51.2 (24.4, 26.8)
-13%
34 (16, 18)
25%
53.2 (26.8, 26.4)
-18%
39 (20, 19)
14%
Response Time Black / White *
26 (15.2, 10.8)
25 (14, 11)
4%
29.6 (17.2, 12.4)
-14%
24 (13, 11)
8%
39.6 (23.2, 16.4)
-52%
32 (18, 14)
-23%
PWM Frequency
952.4 (99)
25000 (10)
1000 (98)
21000 (90)
Screen
17%
34%
7%
-5%
-6%
Brightness middle
245.4
402
64%
310
26%
265
8%
243
-1%
456
86%
Brightness
234
383
64%
283
21%
239
2%
234
0%
410
75%
Brightness Distribution
88
88
0%
87
-1%
85
-3%
83
-6%
84
-5%
Black Level *
0.26
0.41
-58%
0.24
8%
0.37
-42%
0.19
27%
0.62
-138%
Contrast
944
980
4%
1292
37%
716
-24%
1279
35%
735
-22%
Colorchecker DeltaE2000 *
5.36
5.25
2%
3.1
42%
3.93
27%
6.6
-23%
7.09
-32%
Colorchecker DeltaE2000 max. *
19.31
8.65
55%
7.6
61%
8.79
54%
22.3
-15%
12.64
35%
Colorchecker DeltaE2000 calibrated *
4.06
5.19
-28%
2.2
46%
3.13
23%
5
-23%
Greyscale DeltaE2000 *
3.5
4
-14%
2.3
34%
2.29
35%
5.2
-49%
9.15
-161%
Gamma
2.53 87%
2.68 82%
2.21 100%
2.33 94%
2.24 98%
2.31 95%
CCT
6430 101%
6756 96%
6876 95%
6951 94%
6990 93%
7195 90%
Color Space (Percent of AdobeRGB 1998)
40
58
45%
59.1
48%
38
-5%
39.2
-2%
59
48%
Color Space (Percent of sRGB)
58.1
89
53%
90.1
55%
60
3%
60.8
5%
90
55%
Total Average (Program / Settings)
12% / 15%
10% / 27%
12% / 9%
-20% / -9%
-6% / -6%

* ... smaller is better

Color space covers less than 60 percent of sRGB and only about 40 percent of AdobeRGB, so the panel performs marginally better here than the AU Optronics unit Dell uses for the smaller 14-inch Latitude 5491 and about the same as the panel in the Latitude 5590. None of the laptops in our comparison are great for photo editing, which is to be expected, since business notebooks are not marketed for professional graphics artists. The Lenovo ThinkPad T580 and the HP 755 G5/850 G5 EliteBook twins reach at least 90 percent of the sRGB gamut, however, and would be a much better choice. 

vs. sRGB
vs. sRGB
vs. AdobeRGB
vs. AdobeRGB
vs. HP 755 G5
vs. HP 755 G5

Additional measurements with a X-Rite spectrophotometer reveal acceptable grayscale, but poor colors out of the box. Our calibration efforts only marginally improved the colors and the maximum DeltaE deviation for blue remains around 20. For graphic artists we would recommend the Dell XPS 15 2018, as its FHD panel covers almost 100 percent of the sRGB color space and features much higher color and grayscale accuracy.

Display Response Times

Display response times show how fast the screen is able to change from one color to the next. Slow response times can lead to afterimages and can cause moving objects to appear blurry (ghosting). Gamers of fast-paced 3D titles should pay special attention to fast response times.
       Response Time Black to White
26 ms ... rise ↗ and fall ↘ combined↗ 15.2 ms rise
↘ 10.8 ms fall
The screen shows relatively slow response rates in our tests and may be too slow for gamers.
In comparison, all tested devices range from 0.8 (minimum) to 240 (maximum) ms. » 46 % of all devices are better.
This means that the measured response time is similar to the average of all tested devices (25.6 ms).
       Response Time 50% Grey to 80% Grey
45.2 ms ... rise ↗ and fall ↘ combined↗ 26.8 ms rise
↘ 18.4 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.9 (minimum) to 636 (maximum) ms. » 71 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (41 ms).

Screen Flickering / PWM (Pulse-Width Modulation)

To dim the screen, some notebooks will simply cycle the backlight on and off in rapid succession - a method called Pulse Width Modulation (PWM) . This cycling frequency should ideally be undetectable to the human eye. If said frequency is too low, users with sensitive eyes may experience strain or headaches or even notice the flickering altogether.
Screen flickering / PWM not detected

In comparison: 52 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 8943 (minimum: 43 - maximum: 142900) Hz was measured.

Outdoor visibility is just acceptable when under shade provided that the brightness is set to maximum and the display is adjusted properly. Direct sunlight will simply overpower the backlight and wash out the content. Still, the 5591 has an easier time with difficult lighting conditions than the smaller 14-inch Latitude 5491 with its is even dimmer panel. Since the display is based on IPS technology, the viewing angles are fairly wide without inversions or significant darkening, although we did notice some color shifts. 

Indirect sunlight
Indirect sunlight
Direct sunlight
Direct sunlight
Shade
Shade
Wide IPS viewing angles
Wide IPS viewing angles

Performance

The Latitude 5591 can be purchased with the quad-core i5-8300H and i5-8400H or the hexa-core i7-8850H processor, 8 - 16 GB of RAM and either 2.5-inch SATA HDDs or PCIe NVMe SSDs up to 512 GB. Note that the large 92 Wh battery leaves no room for the 2.5-inch slot, so M.2 SSDs are the only option. The least expensive notebook in the lineup sells for $1070 and comes with the HD display, the i5-8300H processor, just 4 GB of RAM and a 500 GB SATA hard drive. As configured with FHD touch display, i7-8850H CPU, 16 GB of RAM, a 512 GB SSD and a Nvidia GeForce MX130 GPU, the notebook sells for $2400.

 

Processor

The hexa-core Coffee Lake-H i7-8850H processor runs at 2.2 - 4.1 GHz and has a TDP of 45 W. While the single-core performance hasn't improved compared to the previous generation, the theoretical multi-core performance is up by about 50 percent thanks to the two additional cores. Likely due to heat-related throttling, the performance of the i7-8850H in our 5591 does trail the average of the 5 i7-8850H CPUs in our database by about 10 percentage points. That said, ULV processors like the 15 W Kaby Lake Refresh Core i7-8550U in the Lenovo ThinkPad T580 are still up to 35 % slower.

Turbo Boost sustainability is far from great and running CineBench R15 Multi-Thread in a loop results in a substantial reduction of the performance, which stabilizes at an average of just under 900 points after the initial high score of 1090 points - a reduction of about 18 percent. The score of the smaller Latitude 5491 with the same hardware dropped by an even more substantial 22 percent, however.  

See see our dedicated page on the Intel Core i7-8850H for more technical information and benchmark comparisons.

CineBench R15
CineBench R15
CineBench R11.5 64-bit
CineBench R11.5 64-bit
01020304050607080901001101201301401501601701801902002102202302402502602702802903003103203303403503603703803904004104204304404504604704804905005105205305405505605705805906006106206306406506606706806907007107207307407507607707807908008108208308408508608708808909009109209309409509609709809901000101010201030104010501060107010801090Tooltip
Cinebench R15 CPU Multi 64 Bit
Cinebench R15
CPU Single 64Bit
Average Intel Core i7-8850H
  (176 - 184, n=7)
179 Points ∼84% +1%
Dell Latitude 5591
Intel Core i7-8850H
178 Points ∼83%
Dell Latitude 5491
Intel Core i7-8850H
176 Points ∼82% -1%
Dell XPS 15 2018 i5 FHD 97Wh
Intel Core i5-8300H
167 Points ∼78% -6%
Lenovo ThinkPad T580-20LAS01H00
Intel Core i7-8550U
163 Points ∼76% -8%
Dell Latitude 5590
Intel Core i5-8250U
145 Points ∼68% -19%
HP EliteBook 850 G5 3JX58EA
Intel Core i5-8250U
144 Points ∼67% -19%
HP EliteBook 755 G5 3UN79EA
AMD Ryzen 7 2700U
134 Points ∼63% -25%
CPU Multi 64Bit
Average Intel Core i7-8850H
  (929 - 1276, n=10)
1113 Points ∼25% +10%
Dell Latitude 5491
Intel Core i7-8850H
1050 Points ∼24% +4%
Dell Latitude 5591
Intel Core i7-8850H
1008 Points ∼23%
Dell XPS 15 2018 i5 FHD 97Wh
Intel Core i5-8300H
840 Points ∼19% -17%
Dell Latitude 5590
Intel Core i5-8250U
696 Points ∼16% -31%
Lenovo ThinkPad T580-20LAS01H00
Intel Core i7-8550U
660 Points ∼15% -35%
HP EliteBook 755 G5 3UN79EA
AMD Ryzen 7 2700U
623 Points ∼14% -38%
HP EliteBook 850 G5 3JX58EA
Intel Core i5-8250U
588 Points ∼13% -42%
Cinebench R10 Shading 32Bit
6393
Cinebench R10 Rendering Multiple CPUs 32Bit
31284
Cinebench R10 Rendering Single 32Bit
6693
Cinebench R11.5 CPU Multi 64Bit
10.95 Points
Cinebench R11.5 OpenGL 64Bit
74.19 fps
Cinebench R11.5 CPU Single 64Bit
2 Points
Cinebench R15 CPU Single 64Bit
178 Points
Cinebench R15 Ref. Match 64Bit
99.6 %
Cinebench R15 OpenGL 64Bit
85.93 fps
Cinebench R15 CPU Multi 64Bit
1008 Points
Help

System Performance

Compared to the Latitude 5590 with Kaby Lake Refresh i5-8250U, the PCMark scores are at least 10 to over 65 percent higher. Interesting is the fact that the Latitude 5491 with identical hardware outperforms the larger 5591 slightly - despite the fact that smaller 14-inch system is affected more by throttling under heavier load.

PCMark 8 Home Accelerated
PCMark 8 Home Accelerated
PCMark 8 Work Accelerated
PCMark 8 Work Accelerated
PCMark 10
PCMark 10
PCMark 10 - Score
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
4269 Points ∼55% +4%
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
4096 Points ∼53%
HP EliteBook 850 G5 3JX58EA
UHD Graphics 620, 8250U, Toshiba XG5 KXG50ZNV256G
3517 Points ∼45% -14%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
3425 Points ∼44% -16%
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
3087 Points ∼40% -25%
Dell Latitude 5590
UHD Graphics 620, 8250U, SK hynix SC311 M.2
2469 Points ∼32% -40%
PCMark 8
Work Score Accelerated v2
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
5428 Points ∼83% +2%
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
5344 Points ∼82%
Dell Latitude 5590
UHD Graphics 620, 8250U, SK hynix SC311 M.2
4670 Points ∼72% -13%
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
4495 Points ∼69% -16%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
4063 Points ∼62% -24%
Home Score Accelerated v2
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
4174 Points ∼69% 0%
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
4166 Points ∼68%
Dell Latitude 5590
UHD Graphics 620, 8250U, SK hynix SC311 M.2
3757 Points ∼62% -10%
HP EliteBook 850 G5 3JX58EA
UHD Graphics 620, 8250U, Toshiba XG5 KXG50ZNV256G
3669 Points ∼60% -12%
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
3186 Points ∼52% -24%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
3145 Points ∼52% -25%
PCMark 8 Home Score Accelerated v2
4166 points
PCMark 8 Work Score Accelerated v2
5344 points
Help

Storage Devices

512 GB Toshiba PCIe NVMe SSD
512 GB Toshiba PCIe NVMe SSD

Performance of the PCIe/NVMe SSD once again follows the pattern we have seen from Toshiba's XG5 series with excellent read, but somewhat modest write rates. The SK Hynix SSD in the Latitude 5590 supports only SATA speeds, so it doesn't perform nearly as well. 

As mentioned earlier, when the notebook is equipped with the large 6-cell 92 Wh battery, there is no 2.5-inch storage bay. According to the spec sheet, however, the Latitude 5591 also accepts M.2 2230 PCIe/NVMe SSDs up to a capacity of 256GB in the WWAN slot. 

Please see our table of HDDs and SSDs for additional benchmark comparisons.

AS SSD
AS SSD
CDM 6
CDM 6
Dell Latitude 5591
Toshiba XG5 KXG50ZNV512G
HP EliteBook 850 G5 3JX58EA
Toshiba XG5 KXG50ZNV256G
Lenovo ThinkPad T580-20LAS01H00
Samsung SSD PM981 MZVLB512HAJQ
Dell Latitude 5590
SK hynix SC311 M.2
Dell XPS 15 2018 i5 FHD 97Wh
Lite-On CA3-8D256-Q11
AS SSD
-14%
81%
-33%
-128%
Copy Game MB/s
457.93
343.8
-25%
877.75
92%
210.03
-54%
465.85
2%
Copy Program MB/s
365.68
274.42
-25%
393.38
8%
208.57
-43%
117.21
-68%
Copy ISO MB/s
782.25
337.01
-57%
1533.01
96%
311.53
-60%
632.4
-19%
Score Total
1971
1321
-33%
3548
80%
912
-54%
750
-62%
Score Write
570
444
-22%
1515
166%
326
-43%
58
-90%
Score Read
998
607
-39%
1342
34%
385
-61%
492
-51%
Access Time Write *
0.065
0.054
17%
0.033
49%
0.047
28%
0.889
-1268%
Access Time Read *
0.122
0.091
25%
0.059
52%
0.111
9%
0.086
30%
4K-64 Write
430.31
286.62
-33%
1277.8
197%
212.7
-51%
19.19
-96%
4K-64 Read
718.62
418.18
-42%
1153.13
60%
305.96
-57%
301.79
-58%
4K Write
97.17
98.58
1%
110.86
14%
73.54
-24%
5.12
-95%
4K Read
21.95
30.94
41%
51.47
134%
29.03
32%
32.5
48%
Seq Write
426.55
590.35
38%
1261.74
196%
392.95
-8%
340.31
-20%
Seq Read
2572.67
1579.34
-39%
1373.14
-47%
503.09
-80%
1573.62
-39%

* ... smaller is better

Toshiba XG5 KXG50ZNV512G
Sequential Read: 2572.67MB/s
Sequential Write: 426.55MB/s
4K Read: 21.95MB/s
4K Write: 97.17MB/s
4K-64 Read: 718.62MB/s
4K-64 Write: 430.31MB/s
Access Time Read: 0.122ms
Access Time Write: 0.065ms
Copy ISO: 782.25MB/s
Copy Program: 365.68MB/s
Copy Game: 457.93MB/s
Score Read: 998Points
Score Write: 570Points
Score Total: 1971Points

GPU Performance

The DirectX 12 capable Nvidia GeForce MX130 is based on the older Maxwell architecture and essentially a renamed GeForce 930MX. Although the graphics card tops out at a theoretical maximum speed of 1242 MHz, we never observed speeds higher than 1110 MHz during our various benchmark tests. With a TDP of between 15 to 30 W, the MX130 is nowhere near as capable as the Pascal-based GTX 1050 (up to 50 W), so its not surprising that the latter GPU at times outperforms the former by a factor of 2.5. Still, the MX130 offers a decent performance gain of at least 80 percent over the integrated Intel HD Graphics 620.

For additional technical information and benchmark comparisons, please see our dedicated page on the Nvidia GeForce MX130.

3DMark 11
3DMark 11
3DMark Firestrike
3DMark Firestrike
3DMark Cloud Gate
3DMark Cloud Gate
3DMark 11
1280x720 Performance Combined
Dell XPS 15 2018 i5 FHD 97Wh
NVIDIA GeForce GTX 1050 (Laptop), 8300H
7607 Points ∼42% +159%
Lenovo ThinkPad T580-20LAS01H00
NVIDIA GeForce MX150, 8550U
4000 Points ∼22% +36%
Dell Latitude 5591
NVIDIA GeForce MX130, 8850H
2934 Points ∼16%
Average NVIDIA GeForce MX130
  (2708 - 2958, n=9)
2832 Points ∼16% -3%
HP EliteBook 755 G5 3UN79EA
AMD Radeon RX Vega 10, 2700U
1837 Points ∼10% -37%
HP EliteBook 850 G5 3JX58EA
Intel UHD Graphics 620, 8250U
1307 Points ∼7% -55%
Dell Latitude 5590
Intel UHD Graphics 620, 8250U
1299 Points ∼7% -56%
1280x720 Performance GPU
Dell XPS 15 2018 i5 FHD 97Wh
NVIDIA GeForce GTX 1050 (Laptop), 8300H
7790 Points ∼15% +156%
Lenovo ThinkPad T580-20LAS01H00
NVIDIA GeForce MX150, 8550U
4392 Points ∼9% +44%
Dell Latitude 5591
NVIDIA GeForce MX130, 8850H
3044 Points ∼6%
Average NVIDIA GeForce MX130
  (2592 - 3188, n=10)
2873 Points ∼6% -6%
HP EliteBook 755 G5 3UN79EA
AMD Radeon RX Vega 10, 2700U
2728 Points ∼5% -10%
HP EliteBook 850 G5 3JX58EA
Intel UHD Graphics 620, 8250U
1682 Points ∼3% -45%
Dell Latitude 5590
Intel UHD Graphics 620, 8250U
1619 Points ∼3% -47%
3DMark
1920x1080 Fire Strike Graphics
Dell XPS 15 2018 i5 FHD 97Wh
NVIDIA GeForce GTX 1050 (Laptop), 8300H
6216 Points ∼15% +156%
Lenovo ThinkPad T580-20LAS01H00
NVIDIA GeForce MX150, 8550U
3291 Points ∼8% +35%
Dell Latitude 5591
NVIDIA GeForce MX130, 8850H
2430 Points ∼6%
Average NVIDIA GeForce MX130
  (2149 - 2478, n=9)
2340 Points ∼6% -4%
HP EliteBook 755 G5 3UN79EA
AMD Radeon RX Vega 10, 2700U
1713 Points ∼4% -30%
HP EliteBook 850 G5 3JX58EA
Intel UHD Graphics 620, 8250U
1002 Points ∼2% -59%
Dell Latitude 5590
Intel UHD Graphics 620, 8250U
954 Points ∼2% -61%
1280x720 Cloud Gate Standard Graphics
Dell XPS 15 2018 i5 FHD 97Wh
NVIDIA GeForce GTX 1050 (Laptop), 8300H
39896 Points ∼22% +169%
Lenovo ThinkPad T580-20LAS01H00
NVIDIA GeForce MX150, 8550U
18916 Points ∼10% +28%
Dell Latitude 5591
NVIDIA GeForce MX130, 8850H
14809 Points ∼8%
Average NVIDIA GeForce MX130
  (12166 - 14809, n=9)
13502 Points ∼7% -9%
HP EliteBook 755 G5 3UN79EA
AMD Radeon RX Vega 10, 2700U
10578 Points ∼6% -29%
Dell Latitude 5590
Intel UHD Graphics 620, 8250U
8065 Points ∼4% -46%
HP EliteBook 850 G5 3JX58EA
Intel UHD Graphics 620, 8250U
8065 Points ∼4% -46%
1920x1080 Ice Storm Extreme Graphics
Average NVIDIA GeForce MX130
 
44243 Points ∼6%
Dell Latitude 5590
Intel UHD Graphics 620, 8250U
43661 Points ∼6%
3DMark 11 Performance
3414 points
3DMark Cloud Gate Standard Score
13252 points
3DMark Fire Strike Score
2308 points
Help

Gaming Performance

Gaming performance is very similar to the 14-inch Latitude 5491 with near-identical frame rates. New games are more or less out of the question, but the performance is good enough for the occasional gaming session with older games and reduced resolution or quality settings. 

Rise of the Tomb Raider
1920x1080 Very High Preset AA:FX AF:16x (sort by value)
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
13.9 fps ∼9%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
16.9 fps ∼10% +22%
Dell XPS 15 2018 i5 FHD 97Wh
GeForce GTX 1050 (Laptop), 8300H, Lite-On CA3-8D256-Q11
33.2 fps ∼21% +139%
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
14 fps ∼9% +1%
Average NVIDIA GeForce MX130
  (12.1 - 14, n=6)
13.2 fps ∼8% -5%
1920x1080 High Preset AA:FX AF:4x (sort by value)
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
16.8 fps ∼9%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
20.2 fps ∼11% +20%
Dell XPS 15 2018 i5 FHD 97Wh
GeForce GTX 1050 (Laptop), 8300H, Lite-On CA3-8D256-Q11
40.6 fps ∼22% +142%
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
12 fps ∼6% -29%
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
16.9 fps ∼9% +1%
Average NVIDIA GeForce MX130
  (13.2 - 16.9, n=7)
15.8 fps ∼9% -6%
1366x768 Medium Preset AF:2x (sort by value)
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
31.3 fps ∼14%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
36.1 fps ∼16% +15%
Dell XPS 15 2018 i5 FHD 97Wh
GeForce GTX 1050 (Laptop), 8300H, Lite-On CA3-8D256-Q11
73.2 fps ∼33% +134%
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
fps ∼0% -100%
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
31 fps ∼14% -1%
Average NVIDIA GeForce MX130
  (22.5 - 31.3, n=7)
28.7 fps ∼13% -8%
1024x768 Lowest Preset (sort by value)
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
51 fps ∼17%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
71.8 fps ∼24% +41%
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
33 fps ∼11% -35%
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
50.7 fps ∼17% -1%
Average NVIDIA GeForce MX130
  (36.1 - 51.2, n=7)
45.5 fps ∼15% -11%
BioShock Infinite
1920x1080 Ultra Preset, DX11 (DDOF) (sort by value)
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
25 fps ∼9%
HP EliteBook 850 G5 3JX58EA
UHD Graphics 620, 8250U, Toshiba XG5 KXG50ZNV256G
7.7 fps ∼3% -69%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
32.5 fps ∼12% +30%
Dell XPS 15 2018 i5 FHD 97Wh
GeForce GTX 1050 (Laptop), 8300H, Lite-On CA3-8D256-Q11
67.5 fps ∼25% +170%
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
14 fps ∼5% -44%
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
25.1 fps ∼9% 0%
Average NVIDIA GeForce MX130
  (22 - 25.1, n=6)
23.5 fps ∼9% -6%
1366x768 High Preset (sort by value)
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
69 fps ∼20%
HP EliteBook 850 G5 3JX58EA
UHD Graphics 620, 8250U, Toshiba XG5 KXG50ZNV256G
23.1 fps ∼7% -67%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
85.2 fps ∼25% +23%
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
fps ∼0% -100%
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
66 fps ∼19% -4%
Average NVIDIA GeForce MX130
  (48 - 69, n=6)
61.4 fps ∼18% -11%
1366x768 Medium Preset (sort by value)
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
84.5 fps ∼23%
HP EliteBook 850 G5 3JX58EA
UHD Graphics 620, 8250U, Toshiba XG5 KXG50ZNV256G
28 fps ∼7% -67%
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
107.5 fps ∼29% +27%
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
fps ∼0% -100%
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
82.2 fps ∼22% -3%
Average NVIDIA GeForce MX130
  (61 - 84.5, n=6)
73.7 fps ∼20% -13%
low med. high ultra
BioShock Infinite (2013) 152.684.56925fps
Rise of the Tomb Raider (2016) 5131.316.813.9fps

Stress Test

We stress our review laptops with Prime95 and Furmark to identify throttling and potential stability issues. When the CPU is maxed out, the temperature rises very quickly to 99 C and  the CPU cores subsequently drop to under 3.0 GHz within the first 30 seconds, while the temperature falls to about 75 C. Two minutes later, the CPU can be observed running at 2.5 - 2.6 GHz with no changes in temperature. The cores eventually stabilize at 2.6 GHz at 78 C. With Furmark running on its own, the GPU cycles between 1058 and 1084 MHz at a temperature of 84 C. Stressing both the CPU and GPU with Prime95 and FurMark in parallel results in CPU clock rates of around 2.1 - 2.2 GHz at temperatures of 83 C, while the GPU runs steadily at 901 MHz at 89 C. 

A comparison between the 15.6-inch Latitude 5591 and the smaller 14-inch Latitude 5491 with identical hardware shows somewhat better CPU and GPU performance, likely because of the improved cooling system with two separate heat pipes.

A repeat of 3DMark 11 on battery shows nearly unchanged GPU and CPU performance with Physics and Graphics scores within a couple of percent of our previous run and thus a near-identical final score. 

Prime95 stress
Prime95 stress
Furmark stress
Furmark stress
Prime95 + Furmark stress
Prime95 + Furmark stress
CPU Clock (GHz) GPU Clock (MHz) Average CPU Temperature (°C) Average GPU Temperature (°C)
Prime95 Stress 2.6 - 78 -
FurMark Stress - 1058-1084 - 84
Prime95 + FurMark Stress 2.1-2.2 901 83 89

Emissions

System Noise

Latitude 5591 (White: Background, Red: System idle, Blue: 3DMark06, Orange: Witcher 3, Green: Prime95+FurMark
Latitude 5591 (White: Background, Red: System idle, Blue: 3DMark06, Orange: Witcher 3, Green: Prime95+FurMark

The Latitude 5591 is quiet when idling on the desktop, as the fan generally won't turn on. Medium and maximum loads will bump the noise level to 46.5 and 48.6 dB, respectively, which also means that the 5591 is louder than all its peers by a fair margin. Even gaming systems like the Aorus X5 v8 with the same CPU and GeForce GTX 1070 graphics aren't any noisier. The HP EliteBook 850 G5 - admittedly not nearly as powerful as our review notebook - only reaches 43 dB and is whisper-quiet by comparison.

Even when running SSD benchmark tests, we cannot notice any coil whine or similar electronic noises on our test unit.

Noise Level

Idle
29 / 29 / 30.3 dB(A)
Load
46.5 / 48.6 dB(A)
  red to green bar
 
 
30 dB
silent
40 dB(A)
audible
50 dB(A)
loud
 
min: dark, med: mid, max: light   Audix TM1 (15 cm distance)   environment noise: 29 dB(A)
Dell Latitude 5591
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
Lenovo ThinkPad T580-20LAS01H00
GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ
HP EliteBook 850 G5 3JX58EA
UHD Graphics 620, 8250U, Toshiba XG5 KXG50ZNV256G
HP EliteBook 755 G5 3UN79EA
Vega 10, 2700U, Toshiba XG5 KXG50ZNV512G
Acer TravelMate 2410-G2-MG-82E6
GeForce MX130, 8550U, SK Hynix HFS256G39TND-N210A
Dell Latitude 5491
GeForce MX130, 8850H, Toshiba XG5 KXG50ZNV512G
Noise
6%
7%
5%
1%
-1%
off / environment *
29
29.3
-1%
30
-3%
30.5
-5%
30.3
-4%
29.5
-2%
Idle Minimum *
29
29.3
-1%
30
-3%
30.5
-5%
30.8
-6%
29.5
-2%
Idle Average *
29
29.3
-1%
30
-3%
30.5
-5%
30.8
-6%
29.5
-2%
Idle Maximum *
30.3
31.8
-5%
32.2
-6%
30.5
-1%
30.8
-2%
31.5
-4%
Load Average *
46.5
35.8
23%
33.2
29%
37.5
19%
42.7
8%
46.2
1%
Load Maximum *
48.6
38
22%
34.2
30%
35
28%
39.7
18%
46.2
5%
Witcher 3 ultra *
35.8

* ... smaller is better

Temperature

Rear exhaust vent
Rear exhaust vent

When idling on desktop, surface temperatures aren't flat with temperature differentials of almost 10 C between some quadrants. At high load levels, some hot spots can reach 54 C. This is not nearly as warm as the Latitude 5491, which can run as hot as 63 C, but it's still quite a bit warmer than we would prefer. Surface temperatures of the Lenovo ThinkPad T580 are similarly warm. Just like on the smaller sibling, the 5590's hot spot is located on the bottom left side due to the location of the CPU, which makes operation on the lap over prolonged periods quite uncomfortable. The left side of the keyboard will always be noticeably warmer than the right as well, but the palm rest remains completely unaffected.

System idle (top)
System idle (top)
System idle (bottom)
System idle (bottom)
Maximum load (top)
Maximum load (top)
Maximum load (bottom)
Maximum load (bottom)
Max. Load
 45.6 °C
114 F
44.6 °C
112 F
34.2 °C
94 F
 
 45 °C
113 F
46.4 °C
116 F
30 °C
86 F
 
 25.2 °C
77 F
25 °C
77 F
24.6 °C
76 F
 
Maximum: 46.4 °C = 116 F
Average: 35.6 °C = 96 F
34.2 °C
94 F
53.6 °C
128 F
45 °C
113 F
29 °C
84 F
46.4 °C
116 F
54.4 °C
130 F
26.6 °C
80 F
26.6 °C
80 F
28.4 °C
83 F
Maximum: 54.4 °C = 130 F
Average: 38.2 °C = 101 F
Power Supply (max.)  43.2 °C = 110 F | Room Temperature 21 °C = 70 F | Raytek Raynger ST
(±) The average temperature for the upper side under maximal load is 35.6 °C / 96 F, compared to the average of 29.4 °C / 85 F for the devices in the class Office.
(-) The maximum temperature on the upper side is 46.4 °C / 116 F, compared to the average of 33.9 °C / 93 F, ranging from 21.2 to 62.5 °C for the class Office.
(-) The bottom heats up to a maximum of 54.4 °C / 130 F, compared to the average of 36.4 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 26.8 °C / 80 F, compared to the device average of 29.4 °C / 85 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 25.2 °C / 77.4 F and are therefore cool to the touch.
(+) The average temperature of the palmrest area of similar devices was 28.3 °C / 82.9 F (+3.1 °C / 5.5 F).

Speakers

The speakers are slightly larger than on the 14-inch Latitude 5491 and produce better sound. Mids and highs are decently balanced, although bass is still lacking as evident by the rather steep drop-off below 250 Hz in the frequency diagram below. Speaker volume is loud enough for presentations in small to medium-sized rooms and there's no distortion even at maximum volume. 

Speakers sit at an angle under the front edge
Speakers sit at an angle under the front edge
Frequency diagram Latitude 5591
Frequency diagram Latitude 5591
dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2037.338.32536.937.73135.835.14033.534.25033.734.36334.534.38031.633.210030.839.912530.94416029.841.720029.849.725028.861.631527.265.140026.963.150026.76663025.967.180025.171.4100024.976.6125024.677.4160024.576200024.372.4250024.170.4315023.973.3400023.670.1500023.769630023.768.7800023.467.61000023.365.61250023.361.41600023.267.9SPL36.784.6N2.860median 24.6median 67.6Delta2.45.135.335.132.931.831.83236.535.132.428.93328.936.328.848.32761.52752.924.860.92462.822.763.32269.521.267.82174.82075.919.472.718.97117.770.117.86917.671.817.668.117.671.417.673.717.670.417.571.617.671.617.669.617.459.717.583.630.662.51.5median 69.6median 17.84.62.4hearing rangehide median Pink NoiseDell Latitude 5591Apple MacBook 12 (Early 2016) 1.1 GHz
Frequency diagram (checkboxes can be checked and unchecked to compare devices)
Dell Latitude 5591 audio analysis

(±) | speaker loudness is average but good (77.41 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 17.2% lower than median
(±) | linearity of bass is average (14.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 5.3% higher than median
(+) | mids are linear (6.2% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.2% away from median
(+) | highs are linear (4.2% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (17% difference to median)
Compared to same class
» 22% of all tested devices in this class were better, 9% similar, 70% worse
» The best had a delta of 8%, average was 21%, worst was 51%
Compared to all devices tested
» 24% of all tested devices were better, 7% similar, 69% worse
» The best had a delta of 3%, average was 21%, worst was 53%

Apple MacBook 12 (Early 2016) 1.1 GHz audio analysis

(+) | speakers can play relatively loud (83.6 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 11.3% lower than median
(±) | linearity of bass is average (14.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.4% away from median
(+) | mids are linear (5.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2% away from median
(+) | highs are linear (4.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (9.3% difference to median)
Compared to same class
» 2% of all tested devices in this class were better, 2% similar, 96% worse
» The best had a delta of 8%, average was 19%, worst was 50%
Compared to all devices tested
» 2% of all tested devices were better, 1% similar, 98% worse
» The best had a delta of 3%, average was 21%, worst was 53%

Energy Management

Power Consumption

Prime95 at the 20s mark. The declining Turbo Boost causes a drop in power consumption after 60s.
Prime95 at the 20s mark. The declining Turbo Boost causes a drop in power consumption after 60s.

Idling on the desktop will draw between 4.4 - 10 W depending on the chosen profile and brightness setting - less than the smaller 5491, which requires up to 13 W. Medium and maximum load draw 70 and 100 W, respectively, so the 130 W AC adapter has more than enough overhead available. The Latitude 5590 with ULV CPU consumes at least 30 % less under load. 

Power Consumption
Off / Standbydarklight 0.39 / 0.75 Watt
Idledarkmidlight 4.4 / 8.4 / 10.2 Watt
Load midlight 71 / 100.1 Watt
 color bar
Key: min: dark, med: mid, max: light        Metrahit Energy
Dell Latitude 5591
8850H, GeForce MX130, Toshiba XG5 KXG50ZNV512G, IPS, 1920x1080, 15.6
Lenovo ThinkPad T580-20LAS01H00
8550U, GeForce MX150, Samsung SSD PM981 MZVLB512HAJQ, IPS LED, 3840x2160, 15.6
Dell XPS 15 2018 i5 FHD 97Wh
8300H, GeForce GTX 1050 (Laptop), Lite-On CA3-8D256-Q11, LED IGZO IPS InfinityEdge, 1920x1080, 15.6
Acer TravelMate 2410-G2-MG-82E6
8550U, GeForce MX130, SK Hynix HFS256G39TND-N210A, IPS, 1920x1080, 14
Dell Latitude 5590
8250U, UHD Graphics 620, SK hynix SC311 M.2, IPS, 1920x1080, 15.6
HP EliteBook 755 G5 3UN79EA
2700U, Vega 10, Toshiba XG5 KXG50ZNV512G, IPS, 1920x1080, 15.6
Dell Latitude 5491
8850H, GeForce MX130, Toshiba XG5 KXG50ZNV512G, IPS, 1920x1080, 14
Power Consumption
-4%
15%
26%
27%
6%
-25%
Idle Minimum *
4.4
5.3
-20%
2.9
34%
3.5
20%
3.6
18%
5
-14%
7.5
-70%
Idle Average *
8.4
10.2
-21%
5.8
31%
5.9
30%
6.5
23%
10.6
-26%
9.7
-15%
Idle Maximum *
10.2
13.6
-33%
7.5
26%
8.2
20%
7.2
29%
12.9
-26%
13
-27%
Load Average *
71
58.3
18%
77.5
-9%
57.3
19%
46.2
35%
40.6
43%
74.3
-5%
Load Maximum *
100.1
65.3
35%
107
-7%
57.9
42%
68.8
31%
46.6
53%
106.6
-6%
Witcher 3 ultra *
47.8
84

* ... smaller is better

Battery Life

Despite the larger 92 Wh battery, the review notebook doesn't last quite as long as we would have expected. With the screen brightness adjusted to 150 nits and the balanced profile active, users can expect about 12.5 hours of real-world WLAN use. Not that it couldn't be worse: the Lenovo ThinkPad T580 with 105 Wh battery requires recharging after only 8 hours and 45 minutes. The Dell XPS 15 on the other hand features a minimally larger 97 Wh battery, but lasts almost 16 hours.

Battery Runtime
Idle (without WLAN, min brightness)
22h 22min
NBC WiFi Websurfing Battery Test 1.3
12h 31min
Load (maximum brightness)
1h 30min
Dell Latitude 5591
8850H, GeForce MX130, 92 Wh
HP EliteBook 850 G5 3JX58EA
8250U, UHD Graphics 620, 56 Wh
Lenovo ThinkPad T580-20LAS01H00
8550U, GeForce MX150, 105 Wh
Dell XPS 15 2018 i5 FHD 97Wh
8300H, GeForce GTX 1050 (Laptop), 97 Wh
Dell Latitude 5590
8250U, UHD Graphics 620, 51 Wh
Battery Runtime
28%
11%
26%
-24%
Reader / Idle
1342
1066
-21%
1181
-12%
1044
-22%
WiFi v1.3
751
556
-26%
522
-30%
942
25%
444
-41%
Load
90
207
130%
158
76%
114
27%
82
-9%
Witcher 3 ultra
62

Pros

+ good build quality
+ very good performance
+ multiple security options
+ dedicated GPU
+ good input devices
+ very fast SD reader
+ 180 degree display
+ M.2 2230 slot (WWAN/SSD)
+ Thunderbolt 3

Cons

- dim display with poor color gamut
- noticeable backlight bleeding
- big and bulky power adapter
- some keyboard flex
- poor Turbo Boost sustainability
- hot and noisy under load
- battery life could be longer given the capacity
- expensive

Verdict

Latitude 5591, courtesy of Dell USA
Latitude 5591, courtesy of Dell USA

The Latitude 5591 might seem rather utilitarian in its design approach, but it comes with the feature set desired by business professionals as well as the build quality and security features corporate IT departments demand. The chassis is MIL-STD 810G compliant and should last a long time, connectivity options are numerous and include Thunderbolt 3, and the keyboard is a pleasure to type on. The notebook with hexa-core i7-8850H CPU and Nvidia GeForce MX130 is clearly ahead of the Latitude 5590 with ULV CPU as far as performance is concerned and has enough power to even handle extremely demanding applications.

Unfortunately, there are drawbacks as well: the 5591 runs very warm under load and the heat it generates has a negative impact on the Turbo Boost sustainability. The noise level has gone up as well and the notebook doesn't run quite as long on a charge as we would've hoped for given the large battery capacity. The display is also disappointing given the price point, as it doesn't get all that bright and both gamut as well as color accuracy leave to be desired.

The Latitude 5591 features numerous security options and an ergonomic design, but users have to carefully evaluate if the added performance makes up for the mentioned drawbacks.

Home users looking for a powerful 15-inch notebook might want to consider the Dell XPS 15, which also comes with a Coffee Lake-H CPU and more potent graphics in form of a GTX 1050. The display is significantly better and the notebook easily lasts three hours longer on a charge.

Dell Latitude 5591 - 07/31/2018 v6
Bernie Pechlaner

Chassis
81 / 98 → 83%
Keyboard
86%
Pointing Device
83%
Connectivity
71 / 80 → 88%
Weight
61 / 20-67 → 87%
Battery
95%
Display
77%
Games Performance
72 / 68 → 100%
Application Performance
96 / 92 → 100%
Temperature
86%
Noise
81%
Audio
56%
Camera
46 / 85 → 54%
Average
76%
84%
Office - Weighted Average

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> Notebook / Laptop Reviews and News > Reviews > Dell Latitude 5591 (8850H, MX130, Touchscreen) Laptop Review
Bernie Pechlaner, 2018-08- 6 (Update: 2018-08-31)
Bernhard Pechlaner
Bernhard Pechlaner - Review Editor
Ended up in the IT sector in the 90s more or less accidentally and have remained in the industry (as a sysadmin) ever since. Always been interested in laptops - first purchase was - if memory serves correctly - a Toshiba Satellite T2115CS with DX4-75 processor, 4 MB of RAM and 350 MB hard disk drive (and Windows 3.1). To this day, laptops appeal to me - much to the chagrin of my wife, who doesn’t seem understand why we need 5-10 of them at any given time ;-).