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Lenovo Legion Y740-17IRH Review: Gaming bolide gets high marks for its great power delivery and low heat development

Sascha Mölck, 👁 Florian Glaser (translated by Katherine Bodner), 10/22/2019

Well-rounded gamer. Lenovo's gaming notebook displays all current games smoothly on its matte 17.3-inch screen (144 Hz, G-Sync, FHD, IPS) and also offers great connectivity: a combination of SSD + HDD, 16 GB of RAM (dual-channel mode) & a Thunderbolt 3 port. The iGPU is disabled ex-works but can be activated by the end user. This has a positive impact on battery life.

Lenovo's 17.3-inch gaming notebook is not unknown to us. We already reviewed its sibling, the Legion Y740-17ICH, which has the same build. Today's test unit is equipped with a Core i7-9750H processor and a GeForce RTX 2060 GPU. Some of its competitors are the Asus Strix Hero III G731GV, the MSI GL75 9SEK, the Schenker XMG Core 17, the Dell G7 17 7790 and the HP Pavilion Gaming 17.

As the two Legion Y740 models have the same build, we will not go into details on the case, connectivity, input devices and speakers in this review. Please refer to our review of the Legion Y740-17ICH for information on these aspects.

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Lenovo Legion Y740-17IRH (Legion Y740-17 Series)
Graphics adapter
NVIDIA GeForce RTX 2060 (Laptop) - 6144 MB, Core: 960 MHz, Memory: 1750 MHz, GDDR6, 192 bit bus, ForceWare 436.48, Optimus
Memory
16384 MB 
, SO-DIMM DDR4-2666, Dual-Channel, two slots (both occupied), max. 32 GB
Display
17.3 inch 16:9, 1920 x 1080 pixel 127 PPI, LG Philips LP173WFG-SPD2 (LGD05E0), IPS, Full-HD, 144 Hz, G-Sync, glossy: no
Mainboard
Intel Cannon Lake HM370
Storage
WDC PC SN520 SDAPMUW-128G, 128 GB 
, + Seagate ST1000LM049, 1TB, 7.200 rpm, 1017 GB free
Soundcard
Realtek ALC298 @ Intel Cannon Lake PCH
Connections
2 USB 3.0 / 3.1 Gen1, 2 USB 3.1 Gen2, 1 Thunderbolt, 1 HDMI, 2 DisplayPort, 1 Kensington Lock, Audio Connections: combined audio jack, TPM 2.0
Networking
Realtek RTL8168/8111 Gigabit-LAN (10/100/1000/2500/5000MBit/s), Killer Wireless-AC 1550i Wireless Network Adapter (9560NGW) (a/b/g/n = Wi-Fi 4/ac = Wi-Fi 5), Bluetooth 5
Size
height x width x depth (in mm): 23 x 412.6 x 304.9 ( = 0.91 x 16.24 x 12 in)
Battery
76 Wh, 4820 mAh Lithium-Ion, 15.4 V, 4 cells
Charging
fast charging / Quickcharge
Operating System
Microsoft Windows 10 Home 64 Bit
Camera
Webcam: HD
Primary Camera: 0.9 MPix
Additional features
Speakers: 2.1 system, Keyboard: Chiclet, Keyboard Light: yes, 230-watt AC adaptor, McAfee LiveSafe (trial version), 24 Months Warranty
Weight
2.956 kg ( = 104.27 oz / 6.52 pounds), Power Supply: 787 g ( = 27.76 oz / 1.74 pounds)
Price
2000 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

RatingDateModelWeightHeightSizeResolutionBest Price
84%10/2019Lenovo Legion Y740-17IRH
9750H, GeForce RTX 2060 (Laptop)
3 kg23 mm17.3"1920x1080
86%03/2019Lenovo Legion Y740-17ICH
8750H, GeForce RTX 2080 Max-Q
2.8 kg23 mm17.3"1920x1080
86%08/2019Asus Strix Hero III G731GV
9750H, GeForce RTX 2060 (Laptop)
2.9 kg26.2 mm17.3"1920x1080
83%10/2019MSI GL75 9SEK-056US
9750H, GeForce RTX 2060 (Laptop)
2.5 kg28 mm17.3"1920x1080
87%07/2019Schenker XMG Core 17
9750H, GeForce GTX 1660 Ti (Laptop)
2.5 kg30 mm17.3"1920x1080
85%06/2019Dell G7 17 7790
8750H, GeForce RTX 2070 Max-Q
3.2 kg25 mm17.3"1920x1080
82%07/2019HP Pavilion Gaming 17-cd0085cl
9750H, GeForce GTX 1660 Ti Max-Q
2.8 kg25 mm17.3"1920x1080

Size Comparison

412.6 mm / 16.2 inch 304.9 mm / 12 inch 23 mm / 0.906 inch 3 kg6.52 lbs412.6 mm / 16.2 inch 304.9 mm / 12 inch 23 mm / 0.906 inch 2.8 kg6.17 lbs405 mm / 15.9 inch 282 mm / 11.1 inch 25 mm / 0.984 inch 2.8 kg6.08 lbs404 mm / 15.9 inch 295.8 mm / 11.6 inch 25 mm / 0.984 inch 3.2 kg7.14 lbs396 mm / 15.6 inch 261 mm / 10.3 inch 30 mm / 1.181 inch 2.5 kg5.51 lbs399 mm / 15.7 inch 293 mm / 11.5 inch 26.2 mm / 1.031 inch 2.9 kg6.28 lbs397 mm / 15.6 inch 271 mm / 10.7 inch 28 mm / 1.102 inch 2.5 kg5.51 lbs
Networking
iperf3 Client (receive) TCP 1 m 4M x10
MSI GL75 9SEK-056US
Intel Wireless-AC 9560
693 MBit/s ∼100% +3%
Schenker XMG Core 17
Intel Wireless-AC 9560
689 MBit/s ∼99% +2%
Lenovo Legion Y740-17IRH
Killer Wireless-AC 1550i Wireless Network Adapter (9560NGW)
676 MBit/s ∼98%
Asus Strix Hero III G731GV
Intel Wireless-AC 9560
669 MBit/s ∼97% -1%
HP Pavilion Gaming 17-cd0085cl
Intel Wireless-AC 9560
655 MBit/s ∼95% -3%
Dell G7 17 7790
Killer Wireless-AC 1550 Wireless Network Adapter
653 MBit/s ∼94% -3%
Average of class Gaming
  (141 - 1490, n=286)
620 MBit/s ∼89% -8%
Lenovo Legion Y740-17ICH
Killer Wireless-AC 1550i Wireless Network Adapter (9560NGW)
599 MBit/s ∼86% -11%
iperf3 Client (transmit) TCP 1 m 4M x10
Lenovo Legion Y740-17IRH
Killer Wireless-AC 1550i Wireless Network Adapter (9560NGW)
682 MBit/s ∼100%
Dell G7 17 7790
Killer Wireless-AC 1550 Wireless Network Adapter
678 MBit/s ∼99% -1%
Schenker XMG Core 17
Intel Wireless-AC 9560
670 MBit/s ∼98% -2%
Asus Strix Hero III G731GV
Intel Wireless-AC 9560
655 MBit/s ∼96% -4%
HP Pavilion Gaming 17-cd0085cl
Intel Wireless-AC 9560
650 MBit/s ∼95% -5%
MSI GL75 9SEK-056US
Intel Wireless-AC 9560
641 MBit/s ∼94% -6%
Lenovo Legion Y740-17ICH
Killer Wireless-AC 1550i Wireless Network Adapter (9560NGW)
605 MBit/s ∼89% -11%
Average of class Gaming
  (144 - 1420, n=286)
573 MBit/s ∼84% -16%

Display - 144-Hz IPS with G-Sync

The Legion's 17.3-inch display has a native resolution of 1920x1080 pixels. While the display offers a good contrast ratio (1044:1), its brightness is a little too low (260.6 cd/m²). Good brightness levels start from around 300 cd/m². Fortunately, the display does not show any PWM flickering.

The 144-Hz panel in our test unit supports Nvidia's G-Sync technology, which dynamically matches the refresh rates of the display and the GPU. This should ensure an even smoother image - particularly while gaming.

252
cd/m²
269
cd/m²
244
cd/m²
272
cd/m²
282
cd/m²
251
cd/m²
261
cd/m²
257
cd/m²
257
cd/m²
Distribution of brightness
LG Philips LP173WFG-SPD2 (LGD05E0)
X-Rite i1Pro 2
Maximum: 282 cd/m² Average: 260.6 cd/m² Minimum: 4 cd/m²
Brightness Distribution: 87 %
Center on Battery: 282 cd/m²
Contrast: 1044:1 (Black: 0.27 cd/m²)
ΔE Color 3.18 | 0.6-29.43 Ø6, calibrated: 0.95
ΔE Greyscale 4.1 | 0.64-98 Ø6.2
96% sRGB (Argyll 3D) 61% AdobeRGB 1998 (Argyll 3D)
Gamma: 2.55
Lenovo Legion Y740-17IRH
LG Philips LP173WFG-SPD2 (LGD05E0), IPS, 1920x1080
Lenovo Legion Y740-17ICH
AU Optronics B173HAN03.2, IPS, 1920x1080
Asus Strix Hero III G731GV
AU Optronics AUO B173HAN04.0, IPS, 1920x1080
MSI GL75 9SEK-056US
AU Optronics AUO479D (B173HAN04.7), IPS, 1920x1080
Schenker XMG Core 17
LG Philips LP173WFG-SPB1 (LGD0615), IPS, 1920x1080
Dell G7 17 7790
AU Optronics AUO409D, B173HAN, IPS, 1920x1080
HP Pavilion Gaming 17-cd0085cl
BOE0825, IPS, 1920x1080
Response Times
-10%
24%
-97%
9%
-12%
-95%
Response Time Grey 50% / Grey 80% *
14.8 (7.6, 7.2)
15.6 (8, 7.6)
-5%
6.8 (3.4, 3.4)
54%
26 (11.6, 14.4)
-76%
14.4 (7.6, 6.8)
3%
17.2 (7.6, 9.6)
-16%
31.6 (14, 17.6)
-114%
Response Time Black / White *
11.2 (6, 5.2)
12.8 (7.6, 5.2)
-14%
12 (6.8, 5.2)
-7%
24.4 (12.8, 11.6)
-118%
9.6 (5.2, 4.4)
14%
12 (6.8, 5.2)
-7%
19.6 (10.8, 8.8)
-75%
PWM Frequency
Screen
-36%
-19%
-47%
3%
-22%
-24%
Brightness middle
282
299.1
6%
312.3
11%
259.1
-8%
329
17%
308.6
9%
299.6
6%
Brightness
261
273
5%
297
14%
261
0%
286
10%
299
15%
285
9%
Brightness Distribution
87
81
-7%
91
5%
93
7%
79
-9%
92
6%
86
-1%
Black Level *
0.27
0.27
-0%
0.21
22%
0.25
7%
0.3
-11%
0.29
-7%
0.33
-22%
Contrast
1044
1108
6%
1487
42%
1036
-1%
1097
5%
1064
2%
908
-13%
Colorchecker DeltaE2000 *
3.18
5.07
-59%
3.6
-13%
4.23
-33%
2.52
21%
4.26
-34%
3.68
-16%
Colorchecker DeltaE2000 max. *
8.39
10.55
-26%
6.74
20%
23.39
-179%
6.9
18%
7.83
7%
8.05
4%
Colorchecker DeltaE2000 calibrated *
0.95
3.31
-248%
3.95
-316%
3.9
-311%
1.31
-38%
2.93
-208%
3.15
-232%
Greyscale DeltaE2000 *
4.1
6.8
-66%
3.1
24%
1.3
68%
2.98
27%
5
-22%
3.8
7%
Gamma
2.55 86%
2.46 89%
2.26 97%
2.076 106%
2.38 92%
2.07 106%
2.12 104%
CCT
7260 90%
7805 83%
7002 93%
6542 99%
6738 96%
7488 87%
7240 90%
Color Space (Percent of AdobeRGB 1998)
61
58.5
-4%
56.6
-7%
39
-36%
60
-2%
57.8
-5%
58.1
-5%
Color Space (Percent of sRGB)
96
89.9
-6%
86.6
-10%
61
-36%
95
-1%
89.2
-7%
89.8
-6%
Total Average (Program / Settings)
-23% / -32%
3% / -12%
-72% / -55%
6% / 4%
-17% / -21%
-60% / -35%

* ... smaller is better

The display of the Legion already has good color reproduction ex-works. Our DeltaE 2000 measurements show a color deviation of 3.18, which is very close to the ideal value of below 3. Calibrating the display further improves color reproduction and results in a color deviation of 0.9 and more balanced grayscales. The color spaces AdobeRGB and sRGB are not covered entirely. We measured coverage of 61% of the AdobeRGB color space and 96% of the sRGB color space.

CalMAN: grayscales
CalMAN: grayscales
CalMAN: saturation
CalMAN: saturation
CalMAN: colors
CalMAN: colors
CalMAN: grayscales (after calibration)
CalMAN: grayscales (after calibration)
CalMAN: saturation (after calibration)
CalMAN: saturation (after calibration)
CalMAN: colors (after calibration)
CalMAN: colors (after calibration)
Lenovo Legion Y740-17 vs sRGB (96%)
Lenovo Legion Y740-17 vs sRGB (96%)
Subpixel array
Subpixel array
Lenovo Legion Y740-17 vs AdobeRGB (61%)
Lenovo Legion Y740-17 vs AdobeRGB (61%)

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
11.2 ms ... rise ↗ and fall ↘ combined↗ 6 ms rise
↘ 5.2 ms fall
The screen shows good response rates in our tests, but may be too slow for competitive gamers.
In comparison, all tested devices range from 0.8 (minimum) to 240 (maximum) ms. » 11 % of all devices are better.
This means that the measured response time is better than the average of all tested devices (24.9 ms).
       Response Time 50% Grey to 80% Grey
14.8 ms ... rise ↗ and fall ↘ combined↗ 7.6 ms rise
↘ 7.2 ms fall
The screen shows good response rates in our tests, but may be too slow for competitive gamers.
In comparison, all tested devices range from 0.9 (minimum) to 636 (maximum) ms. » 10 % of all devices are better.
This means that the measured response time is better than the average of all tested devices (39.5 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: 51 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 13560 (minimum: 43 - maximum: 2500000) Hz was measured.

The Lenovo notebook is equipped with an IPS panel with stable viewing angles. This means that the screen can be read from any position. It's also possible to read the screen outdoors, provided the sun is not shining too bright.

The Legion outdoors
The Legion outdoors
Viewing angles
Viewing angles

Performance - Lenovo laptop offers sufficient performance for the coming years

The Lenovo Y740-17IRHg is a 17.3-inch gaming notebook that displays all current games smoothly and also does a good job in all other areas of use. Our test unit is available for around $1500. Users can choose from a variety of configurations.

CPU-Z
CPU-Z
CPU-Z
CPU-Z
CPU-Z
CPU-Z
GPU-Z
GPU-Z
HWInfo
LatencyMon
 

Testing Conditions

The preinstalled Lenovo Vantage software enables users to switch between various thermal modes, influencing fan use and power delivery. We ran our tests in the "balanced" mode. The other available modes are "quiet" and "performance". 

The UHD Graphics 630 GPU, which is integrated in the processor, is disabled at delivery. This means that the notebook does not work with Nvidia's graphics-switching technology Optimus. You can, however, activate the iGPU (and thereby Optimus) via the Lenovo Vantage software. This has a positive impact on the battery life of the notebook.

Processor

The notebook is powered by the six-core processor Core i7-9750H (Coffee Lake Refresh). The CPU clocks at a base rate of 2.6 GHz. The clock rate can be increased to 4 GHz (six cores), 4.1 GHz (five cores), 4.2 GHz (four cores), 4.3 GHz (three cores), 4.4 GHz (two cores) or 4.5 GHz (one core) via the Turbo Boost. 

The processor works at a clock rate of 3.8 - 4 GHz during our Cinebench R15 multithread test and at 4 - 4.5 GHz during the single-thread test. The clock rate drops to 2.6 - 4 GHz (multithread) and 4 - 4.3 GHz (single-thread) when running on battery.

Singlecore rendering
Singlecore rendering
Multicore rendering
Multicore rendering
GPU load
GPU load

We try to find out whether the CPU can continue using its turbo over a long period of time when connected to the socket by running the Cinebench R15 test in a loop for at least 30 minutes. The results drop slightly from the first to the seventh round but then stabilize and remain fairly stable for the remainder of the test. This means that the CPU continues using the turbo.

Activating the thermal mode "performance" within the Lenovo Vantage software does not improve the results. However, the trajectory of CB15 results is somewhat smoother.

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Lenovo Legion Y740-17IRH Intel Core i7-9750H, Intel Core i7-9750H: Ø1205 (1166.45-1263.34)
Lenovo Legion Y740-17ICH Intel Core i7-8750H, Intel Core i7-8750H: Ø1139 (1122.59-1232.82)
Asus Strix Hero III G731GV Intel Core i7-9750H, Intel Core i7-9750H: Ø1096 (1054.52-1187.97)
MSI GL75 9SEK-056US Intel Core i7-9750H, Intel Core i7-9750H: Ø1175 (1102.32-1284.15)
Schenker XMG Core 17 Intel Core i7-9750H, Intel Core i7-9750H: Ø1010 (998.28-1099.87)
Dell G7 17 7790 Intel Core i7-8750H, Intel Core i7-8750H: Ø1081 (1056.8-1189.87)
HP Pavilion Gaming 17-cd0085cl Intel Core i7-9750H, Intel Core i7-9750H: Ø1077 (1065.56-1205.55)
CPU clock rates during the CB15 loop
CPU clock rates during the CB15 loop
Cinebench R10 Rendering Single 32Bit
6970
Cinebench R10 Rendering Multiple CPUs 32Bit
36304
Cinebench R10 Shading 32Bit
13444
Cinebench R15 CPU Single 64Bit
181 Points
Cinebench R15 CPU Multi 64Bit
1263 Points
Cinebench R15 OpenGL 64Bit
133.7 fps
Cinebench R15 Ref. Match 64Bit
99.6 %
Help
Cinebench R15
CPU Single 64Bit
HP Pavilion Gaming 17-cd0085cl
Intel Core i7-9750H
193 Points ∼100% +7%
MSI GL75 9SEK-056US
Intel Core i7-9750H
187 Points ∼97% +3%
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
181 Points ∼94%
Schenker XMG Core 17
Intel Core i7-9750H
180 Points ∼93% -1%
Asus Strix Hero III G731GV
Intel Core i7-9750H
179 Points ∼93% -1%
Lenovo Legion Y740-17ICH
Intel Core i7-8750H
167 Points ∼87% -8%
Dell G7 17 7790
Intel Core i7-8750H
164 Points ∼85% -9%
Average of class Gaming
  (77 - 215, n=540)
157 Points ∼81% -13%
CPU Multi 64Bit
MSI GL75 9SEK-056US
Intel Core i7-9750H
1284 Points ∼100% +2%
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
1263 Points ∼98%
Lenovo Legion Y740-17ICH
Intel Core i7-8750H
1233 Points ∼96% -2%
Dell G7 17 7790
Intel Core i7-8750H
1183 Points ∼92% -6%
HP Pavilion Gaming 17-cd0085cl
Intel Core i7-9750H
1172 Points ∼91% -7%
Asus Strix Hero III G731GV
Intel Core i7-9750H
1166 Points ∼91% -8%
Schenker XMG Core 17
Intel Core i7-9750H
1100 Points ∼86% -13%
Average of class Gaming
  (196 - 2022, n=543)
845 Points ∼66% -33%
Cinebench R10
Rendering Single 32Bit
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
6970 Points ∼100%
Schenker XMG Core 17
Intel Core i7-9750H
6895 Points ∼99% -1%
Average of class Gaming
  (1645 - 8872, n=430)
4875 Points ∼70% -30%
Rendering Multiple CPUs 32Bit
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
36304 Points ∼100%
Schenker XMG Core 17
Intel Core i7-9750H
32729 Points ∼90% -10%
Average of class Gaming
  (3026 - 50462, n=430)
18487 Points ∼51% -49%
Cinebench R20
CPU (Single Core)
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
461 Points ∼100%
Schenker XMG Core 17
Intel Core i7-9750H
441 Points ∼96% -4%
Asus Strix Hero III G731GV
Intel Core i7-9750H
432 Points ∼94% -6%
Average of class Gaming
  (340 - 509, n=63)
431 Points ∼93% -7%
CPU (Multi Core)
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
2839 Points ∼100%
Asus Strix Hero III G731GV
Intel Core i7-9750H
2669 Points ∼94% -6%
Average of class Gaming
  (1530 - 4926, n=63)
2582 Points ∼91% -9%
Schenker XMG Core 17
Intel Core i7-9750H
2434 Points ∼86% -14%
Geekbench 3
32 Bit Multi-Core Score
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
23000 Points ∼100%
Schenker XMG Core 17
Intel Core i7-9750H
22548 Points ∼98% -2%
Average of class Gaming
  (9307 - 27774, n=79)
16265 Points ∼71% -29%
32 Bit Single-Core Score
Schenker XMG Core 17
Intel Core i7-9750H
4428 Points ∼100% +4%
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
4242 Points ∼96%
Average of class Gaming
  (2926 - 4825, n=79)
3712 Points ∼84% -12%
Geekbench 4.4
64 Bit Multi-Core Score
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
23965 Points ∼100%
Schenker XMG Core 17
Intel Core i7-9750H
21933 Points ∼92% -8%
Average of class Gaming
  (4116 - 32070, n=63)
18788 Points ∼78% -22%
64 Bit Single-Core Score
Schenker XMG Core 17
Intel Core i7-9750H
5438 Points ∼100% +2%
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
5348 Points ∼98%
Average of class Gaming
  (2131 - 6030, n=63)
4801 Points ∼88% -10%
Geekbench 5
64 Bit Multi-Core Score
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
6029 Points ∼100%
Average of class Gaming
  (3582 - 6029, n=6)
4431 Points ∼73% -27%
64 Bit Single-Core Score
Lenovo Legion Y740-17IRH
Intel Core i7-9750H
1169 Points ∼100%
Average of class Gaming
  (908 - 1169, n=6)
1048 Points ∼90% -10%
Mozilla Kraken 1.1 - Total Score
Average of class Gaming
  (753 - 7545, n=207)
1198 ms * ∼100% -13%
Asus Strix Hero III G731GV
Intel Core i7-9750H (Edge 44.17763.1.0)
1118.9 ms * ∼93% -5%
Lenovo Legion Y740-17ICH
Intel Core i7-8750H (Edge 44.17763.1.0)
1098.8 ms * ∼92% -3%
MSI GL75 9SEK-056US
Intel Core i7-9750H (Microsoft Edge 44.17763.1.0)
1064 ms * ∼89% -0%
Lenovo Legion Y740-17IRH
Intel Core i7-9750H (Edge 44)
1063.7 ms * ∼89%
Schenker XMG Core 17
Intel Core i7-9750H (Edge 44)
1049 ms * ∼88% +1%
HP Pavilion Gaming 17-cd0085cl
Intel Core i7-9750H (Edge 44.17763.1.0)
1042.3 ms * ∼87% +2%
Octane V2 - Total Score
HP Pavilion Gaming 17-cd0085cl
Intel Core i7-9750H (Edge 44.17763.1.0)
37626 Points ∼100% +2%
Schenker XMG Core 17
Intel Core i7-9750H (Edge 44)
37119 Points ∼99% +1%
Lenovo Legion Y740-17IRH
Intel Core i7-9750H (Edge 44)
36774 Points ∼98%
MSI GL75 9SEK-056US
Intel Core i7-9750H (Microsoft Edge 44.17763.1.0)
35527 Points ∼94% -3%
Lenovo Legion Y740-17ICH
Intel Core i7-8750H (Edge 44.17763.1.0)
35446 Points ∼94% -4%
Asus Strix Hero III G731GV
Intel Core i7-9750H (Edge 44.17763.1.0)
34227 Points ∼91% -7%
Average of class Gaming
  (12288 - 49518, n=203)
33607 Points ∼89% -9%
JetStream 1.1 - Total Score
Schenker XMG Core 17
Intel Core i7-9750H (Edge 44)
270.39 Points ∼100% +4%
HP Pavilion Gaming 17-cd0085cl
Intel Core i7-9750H (Edge 44.17763.1.0)
265.91 Points ∼98% +2%
MSI GL75 9SEK-056US
Intel Core i7-9750H (Microsoft Edge 44.17763.1.0)
260.84 Points ∼96% 0%
Lenovo Legion Y740-17IRH
Intel Core i7-9750H (Edge 44)
259.77 Points ∼96%
Lenovo Legion Y740-17ICH
Intel Core i7-8750H (Edge 44.17763.1.0)
252.13 Points ∼93% -3%
Asus Strix Hero III G731GV
Intel Core i7-9750H (Edge 44.17763.1.0)
251.97 Points ∼93% -3%
Average of class Gaming
  (51.6 - 333, n=206)
250 Points ∼92% -4%

* ... smaller is better

System Performance

A strong six-core processor, RAM working in dual-channel mode and an NVMe SSD ensure a fast and smooth system. The very good PCMark results confirm that the Y740 offers plenty of computing power for applications beyond the realm of gaming.

PCMark 10
PCMark 10
PCMark 8 Home Score Accelerated v2
4993 points
PCMark 8 Creative Score Accelerated v2
6080 points
PCMark 8 Work Score Accelerated v2
5931 points
Help
PCMark 10 - Score
Lenovo Legion Y740-17ICH
GeForce RTX 2080 Max-Q, 8750H, Samsung SSD PM981 MZVLB256HAHQ
6053 Points ∼100% +3%
Lenovo Legion Y740-17IRH
GeForce RTX 2060 (Laptop), 9750H, WDC PC SN520 SDAPMUW-128G
5894 Points ∼97%
MSI GL75 9SEK-056US
GeForce RTX 2060 (Laptop), 9750H, WDC PC SN520 SDAPNUW-512G
5748 Points ∼95% -2%
Schenker XMG Core 17
GeForce GTX 1660 Ti (Laptop), 9750H, Samsung SSD 970 EVO Plus 500GB
5657 Points ∼93% -4%
Asus Strix Hero III G731GV
GeForce RTX 2060 (Laptop), 9750H, Intel SSD 660p SSDPEKNW512G8
5580 Points ∼92% -5%
HP Pavilion Gaming 17-cd0085cl
GeForce GTX 1660 Ti Max-Q, 9750H, Samsung SSD PM981 MZVLB256HAHQ
5429 Points ∼90% -8%
Dell G7 17 7790
GeForce RTX 2070 Max-Q, 8750H, Toshiba BG3 KBG30ZMS256G
5279 Points ∼87% -10%
Average of class Gaming
  (2603 - 7511, n=235)
5264 Points ∼87% -11%
PCMark 8
Work Score Accelerated v2
Lenovo Legion Y740-17IRH
GeForce RTX 2060 (Laptop), 9750H, WDC PC SN520 SDAPMUW-128G
5931 Points ∼100%
Lenovo Legion Y740-17ICH
GeForce RTX 2080 Max-Q, 8750H, Samsung SSD PM981 MZVLB256HAHQ
5882 Points ∼99% -1%
Schenker XMG Core 17
GeForce GTX 1660 Ti (Laptop), 9750H, Samsung SSD 970 EVO Plus 500GB
5697 Points ∼96% -4%
Asus Strix Hero III G731GV
GeForce RTX 2060 (Laptop), 9750H, Intel SSD 660p SSDPEKNW512G8
5650 Points ∼95% -5%
MSI GL75 9SEK-056US
GeForce RTX 2060 (Laptop), 9750H, WDC PC SN520 SDAPNUW-512G
5428 Points ∼92% -8%
Dell G7 17 7790
GeForce RTX 2070 Max-Q, 8750H, Toshiba BG3 KBG30ZMS256G
5315 Points ∼90% -10%
HP Pavilion Gaming 17-cd0085cl
GeForce GTX 1660 Ti Max-Q, 9750H, Samsung SSD PM981 MZVLB256HAHQ
5222 Points ∼88% -12%
Average of class Gaming
  (2484 - 6593, n=409)
5060 Points ∼85% -15%
Home Score Accelerated v2
Lenovo Legion Y740-17ICH
GeForce RTX 2080 Max-Q, 8750H, Samsung SSD PM981 MZVLB256HAHQ
5107 Points ∼100% +2%
Lenovo Legion Y740-17IRH
GeForce RTX 2060 (Laptop), 9750H, WDC PC SN520 SDAPMUW-128G
4993 Points ∼98%
Schenker XMG Core 17
GeForce GTX 1660 Ti (Laptop), 9750H, Samsung SSD 970 EVO Plus 500GB
4401 Points ∼86% -12%
Asus Strix Hero III G731GV
GeForce RTX 2060 (Laptop), 9750H, Intel SSD 660p SSDPEKNW512G8
4399 Points ∼86% -12%
Average of class Gaming
  (2554 - 6093, n=426)
4272 Points ∼84% -14%
MSI GL75 9SEK-056US
GeForce RTX 2060 (Laptop), 9750H, WDC PC SN520 SDAPNUW-512G
4241 Points ∼83% -15%
HP Pavilion Gaming 17-cd0085cl
GeForce GTX 1660 Ti Max-Q, 9750H, Samsung SSD PM981 MZVLB256HAHQ
4148 Points ∼81% -17%
Dell G7 17 7790
GeForce RTX 2070 Max-Q, 8750H, Toshiba BG3 KBG30ZMS256G
4010 Points ∼79% -20%

Storage Devices

The primary hard drive is an NVMe SSD (M.2 2240) from Western Digital with a capacity of 128 GB. Around 86 GB of this is available at delivery. The device offers good transfer rates, although it cannot keep up with its top-of-the-range competitors. Our test unit is equipped with an additional 2.5-inch hard drive (1 TB 7200 rpm) in order to provide the necessary storage space for a gaming notebook.

The device is equipped with an SSD as its primary storage device
The device is equipped with an SSD as its primary storage device
WDC PC SN520 SDAPMUW-128G
Sequential Read: 913.3 MB/s
Sequential Write: 443.1 MB/s
512K Read: 615.5 MB/s
512K Write: 255.5 MB/s
4K Read: 11.28 MB/s
4K Write: 105.4 MB/s
4K QD32 Read: 282.8 MB/s
4K QD32 Write: 227.6 MB/s
Lenovo Legion Y740-17IRH
WDC PC SN520 SDAPMUW-128G
Lenovo Legion Y740-17ICH
Samsung SSD PM981 MZVLB256HAHQ
Asus Strix Hero III G731GV
Intel SSD 660p SSDPEKNW512G8
MSI GL75 9SEK-056US
WDC PC SN520 SDAPNUW-512G
Schenker XMG Core 17
Samsung SSD 970 EVO Plus 500GB
Dell G7 17 7790
Toshiba BG3 KBG30ZMS256G
HP Pavilion Gaming 17-cd0085cl
Samsung SSD PM981 MZVLB256HAHQ
CrystalDiskMark 5.2 / 6
86%
52%
57%
104%
-25%
106%
Write 4K
102.7
99.77
-3%
129.3
26%
149.1
45%
99.34
-3%
78.58
-23%
135.3
32%
Read 4K
29.12
40.81
40%
54.4
87%
48.58
67%
38.47
32%
31.89
10%
63.67
119%
Write Seq
362.2
1385
282%
977.5
170%
1449
300%
230.4
-36%
1337
269%
Read Seq
1010
2089
107%
1447
43%
1237
22%
924.7
-8%
1617
60%
Write 4K Q32T1
298.1
380
27%
476.8
60%
462
55%
364.4
22%
159.1
-47%
567.5
90%
Read 4K Q32T1
349.6
445.5
27%
338.1
-3%
606.2
73%
421.9
21%
315.6
-10%
644.8
84%
Write Seq Q32T1
787.6
1380
75%
981.8
25%
1454.3
85%
3276
316%
230.7
-71%
1428
81%
Read Seq Q32T1
1490
3471
133%
1622
9%
1724
16%
3338
124%
1323
-11%
3184
114%

Graphics

The Legion is equipped with a GeForce RTX 2060 - a current top-range GPU. This Turing model supports DirectX 12 and works with a base clock rate of 960 MHz. This clock rate can be increased to up to 1200 MHz via the turbo. The GPU can clock even faster if the chip remains below a certain temperature and/or energy limit. For example, we registered a maximum clock rate of 1784 MHz, although the device did not manage to keep this up for very long. The Witcher 3 test is completed at an average clock rate of 1414 MHz. The GPU has access to the fast GDDR6 graphics memory (6144 GB). The 3DMark results are average for this GPU.

Fire Strike
Fire Strike
Fire Strike Ultra
Fire Strike Ultra
Time Spy
Time Spy
3DMark 06 Standard
40086 points
3DMark 11 Performance
17637 points
3DMark Ice Storm Standard Score
163805 points
3DMark Cloud Gate Standard Score
35897 points
3DMark Fire Strike Score
14256 points
3DMark Time Spy Score
6118 points
Help
3DMark
2560x1440 Time Spy Graphics
Lenovo Legion Y740-17ICH
NVIDIA GeForce RTX 2080 Max-Q
7202 Points ∼100% +20%
Dell G7 17 7790
NVIDIA GeForce RTX 2070 Max-Q
6695 Points ∼93% +11%
MSI GL75 9SEK-056US
NVIDIA GeForce RTX 2060 (Laptop)
6227 Points ∼86% +4%
Lenovo Legion Y740-17IRH
NVIDIA GeForce RTX 2060 (Laptop)
6011 Points ∼83%
Asus Strix Hero III G731GV
NVIDIA GeForce RTX 2060 (Laptop)
5913 Points ∼82% -2%
Average of class Gaming
  (368 - 13013, n=178)
5830 Points ∼81% -3%
Schenker XMG Core 17
NVIDIA GeForce GTX 1660 Ti (Laptop)
5464 Points ∼76% -9%
HP Pavilion Gaming 17-cd0085cl
NVIDIA GeForce GTX 1660 Ti Max-Q
5043 Points ∼70% -16%
1920x1080 Fire Strike Graphics
Lenovo Legion Y740-17ICH
NVIDIA GeForce RTX 2080 Max-Q
18520 Points ∼100% +18%
Dell G7 17 7790
NVIDIA GeForce RTX 2070 Max-Q
17466 Points ∼94% +11%
MSI GL75 9SEK-056US
NVIDIA GeForce RTX 2060 (Laptop)
16590 Points ∼90% +6%
Lenovo Legion Y740-17IRH
NVIDIA GeForce RTX 2060 (Laptop)
15700 Points ∼85%
Asus Strix Hero III G731GV
NVIDIA GeForce RTX 2060 (Laptop)
15696 Points ∼85% 0%
Schenker XMG Core 17
NVIDIA GeForce GTX 1660 Ti (Laptop)
14537 Points ∼78% -7%
HP Pavilion Gaming 17-cd0085cl
NVIDIA GeForce GTX 1660 Ti Max-Q
13188 Points ∼71% -16%
Average of class Gaming
  (385 - 40636, n=566)
11619 Points ∼63% -26%
3DMark 11 - 1280x720 Performance GPU
Lenovo Legion Y740-17ICH
NVIDIA GeForce RTX 2080 Max-Q
25765 Points ∼100% +29%
Dell G7 17 7790
NVIDIA GeForce RTX 2070 Max-Q
22523 Points ∼87% +13%
MSI GL75 9SEK-056US
NVIDIA GeForce RTX 2060 (Laptop)
21895 Points ∼85% +10%
Asus Strix Hero III G731GV
NVIDIA GeForce RTX 2060 (Laptop)
20765 Points ∼81% +4%
Lenovo Legion Y740-17IRH
NVIDIA GeForce RTX 2060 (Laptop)
19971 Points ∼78%
Schenker XMG Core 17
NVIDIA GeForce GTX 1660 Ti (Laptop)
19156 Points ∼74% -4%
HP Pavilion Gaming 17-cd0085cl
NVIDIA GeForce GTX 1660 Ti Max-Q
17457 Points ∼68% -13%
Average of class Gaming
  (513 - 50983, n=641)
13786 Points ∼54% -31%

Gaming Performance

The included hardware can display all titles in our database smoothly. The games can always be played at Full HD resolution and high to maximum settings. The GPU can also manage resolutions above Full HD, albeit at lower settings (and you would have to connect a suitable monitor for this). 

The Witcher 3 - 1920x1080 Ultra Graphics & Postprocessing (HBAO+)
Lenovo Legion Y740-17ICH
GeForce RTX 2080 Max-Q, 8750H
73.1 fps ∼100% +25%
Dell G7 17 7790
GeForce RTX 2070 Max-Q, 8750H
64.7 fps ∼89% +11%
Lenovo Legion Y740-17IRH
GeForce RTX 2060 (Laptop), 9750H
58.4 fps ∼80%
MSI GL75 9SEK-056US
GeForce RTX 2060 (Laptop), 9750H
58 fps ∼79% -1%
Asus Strix Hero III G731GV
GeForce RTX 2060 (Laptop), 9750H
56 fps ∼77% -4%
Schenker XMG Core 17
GeForce GTX 1660 Ti (Laptop), 9750H
53.3 fps ∼73% -9%
Average of class Gaming
  (12.6 - 115, n=335)
50.8 fps ∼69% -13%
HP Pavilion Gaming 17-cd0085cl
GeForce GTX 1660 Ti Max-Q, 9750H
48.5 fps ∼66% -17%
BioShock Infinite - 1920x1080 Ultra Preset, DX11 (DDOF)
Lenovo Legion Y740-17ICH
GeForce RTX 2080 Max-Q, 8750H
161.5 fps ∼100% +9%
Lenovo Legion Y740-17IRH
GeForce RTX 2060 (Laptop), 9750H
148.2 fps ∼92%
Asus Strix Hero III G731GV
GeForce RTX 2060 (Laptop), 9750H
140.9 fps ∼87% -5%
Schenker XMG Core 17
GeForce GTX 1660 Ti (Laptop), 9750H
136.2 fps ∼84% -8%
Dell G7 17 7790
GeForce RTX 2070 Max-Q, 8750H
133.6 fps ∼83% -10%
HP Pavilion Gaming 17-cd0085cl
GeForce GTX 1660 Ti Max-Q, 9750H
130 fps ∼80% -12%
Average of class Gaming
  (9.7 - 266, n=358)
99.7 fps ∼62% -33%
Far Cry New Dawn - 1920x1080 Ultra Preset
Lenovo Legion Y740-17IRH
GeForce RTX 2060 (Laptop), 9750H
83 fps ∼100%
Schenker XMG Core 17
GeForce GTX 1660 Ti (Laptop), 9750H
78 fps ∼94% -6%
Average of class Gaming
  (14 - 108, n=35)
68.1 fps ∼82% -18%
Far Cry 5 - 1920x1080 Ultra Preset AA:T
Lenovo Legion Y740-17IRH
GeForce RTX 2060 (Laptop), 9750H
87 fps ∼100%
Schenker XMG Core 17
GeForce GTX 1660 Ti (Laptop), 9750H
83 fps ∼95% -5%
Average of class Gaming
  (10 - 113, n=43)
70.3 fps ∼81% -19%
Metro Exodus - 1920x1080 Ultra Quality AF:16x
Lenovo Legion Y740-17IRH
GeForce RTX 2060 (Laptop), 9750H
46 fps ∼100%
Average of class Gaming
  (12 - 77.4, n=28)
44.3 fps ∼96% -4%
Total War: Three Kingdoms - 1920x1080 Ultra (incl textures)
Lenovo Legion Y740-17IRH
GeForce RTX 2060 (Laptop), 9750H
53.7 (min: 47, max: 63) fps ∼100%
Average of class Gaming
  (20.5 - 65.5, n=10)
41 fps ∼76% -24%

In order to find out whether the refresh rate remains constant over a long period of time, we ran the game The Witcher 3 for around 60 minutes at Full HD resolution and maximum quality settings. The character in the game was not moved during this entire period. The refresh rates remained relatively consistent throughout the test and were always high enough for satisfactory gaming.

0510152025303540455055606570758085Tooltip
Lenovo Legion Y740-17IRH GeForce RTX 2060 (Laptop), 9750H, WDC PC SN520 SDAPMUW-128G; The Witcher 3: Ø60.1 (55-64)
Lenovo Legion Y740-17ICH GeForce RTX 2080 Max-Q, 8750H, Samsung SSD PM981 MZVLB256HAHQ; The Witcher 3: Ø69.7 (63-76)
Asus Strix Hero III G731GV GeForce RTX 2060 (Laptop), 9750H, Intel SSD 660p SSDPEKNW512G8; The Witcher 3: Ø52.9 (49-61)
MSI GL75 9SEK-056US GeForce RTX 2060 (Laptop), 9750H, WDC PC SN520 SDAPNUW-512G; The Witcher 3: Ø58.4 (55-63)
Schenker XMG Core 17 GeForce GTX 1660 Ti (Laptop), 9750H, Samsung SSD 970 EVO Plus 500GB; The Witcher 3: Ø54.5 (52-58)
Dell G7 17 7790 GeForce RTX 2070 Max-Q, 8750H, Toshiba BG3 KBG30ZMS256G; The Witcher 3: Ø60.8 (54-65)
HP Pavilion Gaming 17-cd0085cl GeForce GTX 1660 Ti Max-Q, 9750H, Samsung SSD PM981 MZVLB256HAHQ; The Witcher 3: Ø47.1 (43-51)
GPU results during The Witcher 3 test
GPU results during The Witcher 3 test
low med. high ultra
BioShock Infinite (2013) 357.04 293.1 294.9 148.2 fps
The Witcher 3 (2015) 282.4 198.4 114.6 58.4 fps
Far Cry 5 (2018) 125 96 92 87 fps
Shadow of the Tomb Raider (2018) 120 96 88 78 fps
Far Cry New Dawn (2019) 124 96 93 83 fps
Metro Exodus (2019) 136 73.8 56.3 46 fps
Total War: Three Kingdoms (2019) 249.8 113 73.4 53.7 fps
Control (2019) 215.9 77.6 57.4 fps
Borderlands 3 (2019) 119.9 93.7 67.6 52 fps
Ghost Recon Breakpoint (2019) 120 84 79 57 fps

Emissions - The Legion Y740 only heats up moderately

System Noise

The Legion hardly makes any noise while idling. The fans run at low speed and occasionally stand completely still, in which case the device is silent (provided the 2.5-inch hard drive isn't being accessed). The fans turn up under load and the Lenovo notebook reached an average of 46 dB(A) during our The Witcher 3 test.

System noise idle
System noise idle
System noise load
System noise load
System noise speaker
System noise speaker

Noise Level

Idle
33 / 34 / 35 dB(A)
HDD
34 dB(A)
Load
48 / 49 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, Arta (15 cm distance)   environment noise: 30 dB(A)
Lenovo Legion Y740-17IRH
9750H, GeForce RTX 2060 (Laptop)
Lenovo Legion Y740-17ICH
8750H, GeForce RTX 2080 Max-Q
Asus Strix Hero III G731GV
9750H, GeForce RTX 2060 (Laptop)
MSI GL75 9SEK-056US
9750H, GeForce RTX 2060 (Laptop)
Schenker XMG Core 17
9750H, GeForce GTX 1660 Ti (Laptop)
Dell G7 17 7790
8750H, GeForce RTX 2070 Max-Q
HP Pavilion Gaming 17-cd0085cl
9750H, GeForce GTX 1660 Ti Max-Q
Noise
11%
3%
4%
1%
10%
15%
off / environment *
30
28.3
6%
28.2
6%
28.1
6%
30
-0%
28.2
6%
28.2
6%
Idle Minimum *
33
31.5
5%
29.5
11%
30.9
6%
30
9%
28.6
13%
30.1
9%
Idle Average *
34
31.6
7%
30.3
11%
30.9
9%
32
6%
28.6
16%
30.1
11%
Idle Maximum *
35
31.6
10%
31.9
9%
31
11%
35
-0%
28.6
18%
30.1
14%
Load Average *
48
32.3
33%
50.4
-5%
39
19%
47
2%
31.8
34%
34.2
29%
Witcher 3 ultra *
46
43
7%
50.1
-9%
53.5
-16%
48
-4%
50.6
-10%
34.2
26%
Load Maximum *
49
45.5
7%
50.1
-2%
53.5
-9%
51
-4%
50.8
-4%
43.8
11%

* ... smaller is better

Temperature

The Legion reaches different results in our stress test (Prime95 and FurMark running for at least 1 hour) depending on whether it's running on mains or on battery. On mains, the processor clocks at between 2.6 and 2.7 GHz. The GPU, meanwhile, clocks at 1000 MHz. On battery, the clock rates drop to 800 MHz (CPU) and 600 - 1700 MHz (GPU). The stress test represents an extreme scenario that will not occur as such in everyday use. We use this test to find out whether the system remains stable under maximum load. 

The Witcher 3
The Witcher 3
Stress test
Stress test
Maximum load top
Maximum load top
Maximum load bottom
Maximum load bottom

The Lenovo notebook only heats up moderately. We measured maximum temperatures in the mid 40 °Cs during the stress test. Similar temperatures were measured during The Witcher 3 test (with the game running for one hour in Full HD resolution and maximum quality settings). The results are all fine during everyday use.

Max. Load
 43 °C
109 F
43 °C
109 F
37 °C
99 F
 
 40 °C
104 F
40 °C
104 F
34 °C
93 F
 
 29 °C
84 F
29 °C
84 F
28 °C
82 F
 
Maximum: 43 °C = 109 F
Average: 35.9 °C = 97 F
42 °C
108 F
45 °C
113 F
45 °C
113 F
38 °C
100 F
46 °C
115 F
45 °C
113 F
32 °C
90 F
32 °C
90 F
32 °C
90 F
Maximum: 46 °C = 115 F
Average: 39.7 °C = 103 F
Power Supply (max.)  43 °C = 109 F | Room Temperature 22 °C = 72 F | Voltcraft IR-900
(±) The average temperature for the upper side under maximal load is 35.9 °C / 97 F, compared to the average of 33.2 °C / 92 F for the devices in the class Gaming.
(±) The maximum temperature on the upper side is 43 °C / 109 F, compared to the average of 39.6 °C / 103 F, ranging from 21.6 to 68.8 °C for the class Gaming.
(-) The bottom heats up to a maximum of 46 °C / 115 F, compared to the average of 42.3 °C / 108 F
(+) In idle usage, the average temperature for the upper side is 28.9 °C / 84 F, compared to the device average of 33.2 °C / 92 F.
(±) Playing The Witcher 3, the average temperature for the upper side is 36.3 °C / 97 F, compared to the device average of 33.2 °C / 92 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 31 °C / 87.8 F and are therefore cool to the touch.
(-) The average temperature of the palmrest area of similar devices was 28.8 °C / 83.8 F (-2.2 °C / -4 F).
Lenovo Legion Y740-17IRH
9750H, GeForce RTX 2060 (Laptop)
Lenovo Legion Y740-17ICH
8750H, GeForce RTX 2080 Max-Q
Asus Strix Hero III G731GV
9750H, GeForce RTX 2060 (Laptop)
MSI GL75 9SEK-056US
9750H, GeForce RTX 2060 (Laptop)
Schenker XMG Core 17
9750H, GeForce GTX 1660 Ti (Laptop)
Dell G7 17 7790
8750H, GeForce RTX 2070 Max-Q
HP Pavilion Gaming 17-cd0085cl
9750H, GeForce GTX 1660 Ti Max-Q
Heat
4%
-6%
-19%
-6%
-11%
-8%
Maximum Upper Side *
43
38.6
10%
47.2
-10%
49.4
-15%
47
-9%
46.6
-8%
42.6
1%
Maximum Bottom *
46
43.6
5%
51
-11%
50.6
-10%
50
-9%
57
-24%
49
-7%
Idle Upper Side *
31
30.2
3%
30.2
3%
39
-26%
34
-10%
34.4
-11%
34
-10%
Idle Bottom *
34
35
-3%
35.4
-4%
42
-24%
32
6%
34.6
-2%
39.4
-16%

* ... smaller is better

Speaker

dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2032.733.92538423130.930.64029.132.65030.735.26330.638.18027.239.610024.843.912524.455.316024.561.720021.457.425020.669.731519.571.140019.275.150018.568.163017.270.38001772.5100017.771.7125018.770.116001868.9200017.369.4250017.368.1315017.167.3400017.466.4500017.366.163001768.380001769.2100001765.81250016.962.91600016.751.4SPL29.881.2N1.357median 17.4median 68.1Delta1.83.741.740.537.738.137.338.937.73836.137.238.339.236.440.734.947.834.954.733.462.33464.432.36731.867.432.164.831.570.130.270.729.574.929.669.829.368.128.567.92967.728.467.528.271.327.966.927.868.727.665.427.56527.564.527.456.427.252.741814.254.3median 29.3median 672.12.8hearing rangehide median Pink NoiseLenovo Legion Y740-17IRHAsus Strix Hero III G731GV
Frequency diagram (checkboxes can be checked and unchecked to compare devices)
Lenovo Legion Y740-17IRH audio analysis

(±) | speaker loudness is average but good (81 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 9.8% lower than median
(±) | linearity of bass is average (13.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.6% away from median
(+) | mids are linear (4.8% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 1.2% away from median
(+) | highs are linear (2.7% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (9.4% difference to median)
Compared to same class
» 3% of all tested devices in this class were better, 1% similar, 96% worse
» The best had a delta of 6%, average was 17%, worst was 37%
Compared to all devices tested
» 1% of all tested devices were better, 1% similar, 98% worse
» The best had a delta of 3%, average was 21%, worst was 53%

Asus Strix Hero III G731GV audio analysis

(±) | speaker loudness is average but good (80.96 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 6.6% lower than median
(±) | linearity of bass is average (11.8% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.8% away from median
(+) | mids are linear (6.7% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 1.8% away from median
(+) | highs are linear (5.4% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (11.5% difference to median)
Compared to same class
» 12% of all tested devices in this class were better, 3% similar, 85% worse
» The best had a delta of 6%, average was 17%, worst was 37%
Compared to all devices tested
» 5% of all tested devices were better, 1% similar, 94% worse
» The best had a delta of 3%, average was 21%, worst was 53%

Energy Management - Activating Optimus improves the battery life

Power Consumption

The Y740-17IRHg does not have any particular anomalies when it comes to power consumption. We measured a maximum consumption of 26 watts while idling. Activating the integrated GPU would reduce the consumption in this scenario. The power consumption increased to up to 168 watts during our stress test but remained lower while gaming. We measured an average consumption of 139 watts during our The Witcher 3 test. The rated output of the AC adaptor is 230 watts.

Power Consumption
Off / Standbydarklight 0.4 / 0.7 Watt
Idledarkmidlight 20 / 21 / 26 Watt
Load midlight 97 / 168 Watt
 color bar
Key: min: dark, med: mid, max: light        Metrahit Energy
Lenovo Legion Y740-17IRH
9750H, GeForce RTX 2060 (Laptop)
Lenovo Legion Y740-17ICH
8750H, GeForce RTX 2080 Max-Q
Asus Strix Hero III G731GV
9750H, GeForce RTX 2060 (Laptop)
MSI GL75 9SEK-056US
9750H, GeForce RTX 2060 (Laptop)
Schenker XMG Core 17
9750H, GeForce GTX 1660 Ti (Laptop)
Dell G7 17 7790
8750H, GeForce RTX 2070 Max-Q
HP Pavilion Gaming 17-cd0085cl
9750H, GeForce GTX 1660 Ti Max-Q
Power Consumption
-7%
-12%
14%
20%
11%
34%
Idle Minimum *
20
20.2
-1%
16.2
19%
10.7
46%
10
50%
9.5
52%
5.4
73%
Idle Average *
21
27.2
-30%
24.8
-18%
15.2
28%
13
38%
16.2
23%
9.2
56%
Idle Maximum *
26
28.7
-10%
28.6
-10%
17.8
32%
21
19%
23.8
8%
13
50%
Load Average *
97
90.8
6%
127.6
-32%
88.2
9%
89
8%
101.7
-5%
85.9
11%
Load Maximum *
168
165.4
2%
212.7
-27%
206.5
-23%
177
-5%
172.2
-3%
182.2
-8%
Witcher 3 ultra *
139
152.1
-9%
147.1
-6%
147.8
-6%
128
8%
155
-12%
107.9
22%

* ... smaller is better

Battery Life

The Legion managed a runtime of 4:16 h (iGPU disabled) or 6:11 h (iGPU activated) during our realistic Wi-Fi test. In this test, we simulate browsing the web via a script with the energy profile set to "balanced" and the display brightness set to around 150 cd/m². Our video test lasts 4:20 h on the 17.3-inch gamer. This involves running the short film Big Buck Bunny (H.264, 1920x1080 pixels) in a loop with the energy profile set to "power saving", the radio module deactivated and the display brightness set to around 150 cd/m².

The battery has a capacity of 76 Wh
The battery has a capacity of 76 Wh
Battery Runtime
Idle (without WLAN, min brightness)
6h 54min
NBC WiFi Websurfing Battery Test 1.3 (Edge 44, iGPU off)
4h 16min
NBC WiFi Websurfing Battery Test 1.3 (Edge 44, iGPU on)
6h 11min
Big Buck Bunny H.264 1080p
4h 20min
Load (maximum brightness)
1h 07min
Lenovo Legion Y740-17IRH
9750H, GeForce RTX 2060 (Laptop), 76 Wh
Lenovo Legion Y740-17ICH
8750H, GeForce RTX 2080 Max-Q, 76 Wh
Asus Strix Hero III G731GV
9750H, GeForce RTX 2060 (Laptop), 66 Wh
MSI GL75 9SEK-056US
9750H, GeForce RTX 2060 (Laptop), 51 Wh
Schenker XMG Core 17
9750H, GeForce GTX 1660 Ti (Laptop), 46.74 Wh
Dell G7 17 7790
8750H, GeForce RTX 2070 Max-Q, 60 Wh
HP Pavilion Gaming 17-cd0085cl
9750H, GeForce GTX 1660 Ti Max-Q, 52.5 Wh
Battery Runtime
-26%
5%
1%
17%
31%
29%
Reader / Idle
414
474
14%
486
17%
511
23%
695
68%
H.264
260
316
22%
WiFi v1.3
256
190
-26%
270
5%
254
-1%
279
9%
236
-8%
339
32%
Load
67
60
-10%
80
19%
119
78%
59
-12%

Pros

+ 144-Hz IPS display
+ good color display
+ G-Sync
+ NVMe SSD + HDD
+ moderate heat development
+ RGB backlighting
+ good power delivery
+ iGPU can be turned on/off
+ Thunderbolt 3

Cons

- dark screen
- no SD card reader
- case and lid could be more st