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Lenovo G51-35 80M8002HGE Notebook Review

Just for starters. Lenovo's G51 shows just what is needed for first contact with the laptop world. The manufacturer presents a 15.6-inch device that unfortunately had to struggle with some shortcomings in the test.

For the original German review, see here.

Big, affordable and ready for performance: These three traits are allegedly found in Lenovo's new G51-35 for a low 450 Euros (~$505). AMD's A8 processor is installed and finds support in 8 GB of working memory. The user can store data on a 1 TB hard drive. It should be equipped for routine applications with that and also be able to face up to rivals such as Acer's Aspire ES1-521. Other, similarly configured laptops like Toshiba's Satellite C55D will also be used for comparison in the test.

Lenovo G51-35 80M8002HGE
Processor
AMD A8-7410 4 x 2.2 - 2.5 GHz, Carrizo-L, 4 cores, TDP 12-25 W
Graphics adapter
AMD Radeon R5 (Beema/Carrizo-L), Core: 850 MHz, Memory: 800 MHz, 15.201.1101.0 WHQL
Memory
8 GB 
, PC3-12800 DDR3 SDRAM, single-channel, 1/2 slots filled
Display
15.60 inch 16:9, 1366 x 768 pixel 100 PPI, TN, ChiMei CMN15C6 N156BGE-EB2, glossy: yes
Mainboard
AMD KernCZ
Storage
WDC Scorpio Blue WD10JPCX-24UE4T0, 1000 GB 
, 5400 rpm, 5400 RPM, 881 GB free
Soundcard
AMD Kabini - High Definition Audio Controller
Connections
1 USB 2.0, 2 USB 3.0 / 3.1 Gen1, 1 VGA, 1 HDMI, 1 Kensington Lock, Audio Connections: combo audio, Card Reader: SD
Networking
Realtek RTL8168/8111 Gigabit-LAN (10/100/1000MBit/s), Realtek RTL8723BE Wireless LAN 802.11n PCI-E NIC (b/g/n = Wi-Fi 4/), Bluetooth 4.0
Optical drive
HL-DT-ST DVDRAM GUC0N
Size
height x width x depth (in mm): 25 x 384 x 265 ( = 0.98 x 15.12 x 10.43 in)
Battery
31.7 Wh Lithium-Ion, removeable, 4 cells
Operating System
Microsoft Windows 10 Home 64 Bit
Camera
Webcam: 720p
Additional features
Speakers: stereo speaker, Dolby Advanced Audio, Keyboard: chiclet, Keyboard Light: no, 24 Months Warranty
Weight
2.243 kg ( = 79.12 oz / 4.94 pounds), Power Supply: 292 g ( = 10.3 oz / 0.64 pounds)
Price
450 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Case & Connectivity

The matte black casing of our review sample corresponds to the typical Lenovo-style of this price range. Thanks to the selected surface texture, the device is pleasant and safe to hold. It is not a lightweight at 2.2 kilograms. The height of 2.5 centimeters is also within the standards. Unfortunately, the device's haptics are not convincing. We often discover sharp edges and inadequately rounded parts. Furthermore, the sharp edges do not indomitably contribute to carrying comfort. The display cover and keyboard unit dent easily. The maintenance hatch on the underside does not close flush with the casing. The display is not easy to open despite small hinges, but it only shakes marginally. We cannot say how the hinges will behave after prolonged use. Overall, the build has clear room for improvement.

The mentioned maintenance hatch allows accessing hard drive, working memory, fan and Wi-Fi module. The battery can be removed separately without releasing screws.

We check the SD-card reader's performance with our Toshiba Exceria Pro SDXC 64 GB UHS-II reference card. The read rate is 33.62 MB/s and the write rate 31.19 MB/s in ASSD benchmark. We achieved 26.5 MB/s in copying standard JPG image files (approx. 5 MB each). That is an outcome in the lower field of rates that we have observed.

Rear
Rear
Left: power in, VGA out, Ethernet port, HDMI out, 2 x USB 3.0
Left: power in, VGA out, Ethernet port, HDMI out, 2 x USB 3.0
Front
Front
Right: combo audio, SD-card reader, 1 x USB 2.0, Kensington lock
Right: combo audio, SD-card reader, 1 x USB 2.0, Kensington lock

Size Comparison

384 mm / 15.1 inch 265 mm / 10.4 inch 25 mm / 0.984 inch 2.2 kg4.94 lbs381.6 mm / 15 inch 258 mm / 10.2 inch 26.1 mm / 1.028 inch 2.4 kg5.29 lbs380 mm / 15 inch 259.9 mm / 10.2 inch 23.5 mm / 0.925 inch 2.2 kg4.74 lbs297 mm / 11.7 inch 210 mm / 8.27 inch 1 mm / 0.03937 inch 5.7 g0.01257 lbs

Input Devices

The installed chiclet keyboard shines with an ideal key size. The drop is a bit too short and soft, and the keyboard unfortunately yields slightly when typing on it. However, the input device should be satisfactory for occasional office work.

Thanks to its lightly roughened surface, the touchpad situated in the lower area has superb gliding qualities. Multi-touch gestures, such as scrolling through websites, are identified and implemented impeccably. The touchpad always responded reliably to inputs with exception of the corners.

Display

Pixel grid
Pixel grid

The ChiMei panel has a resolution of 1366x768 pixels. Lenovo uses a TN panel here, and consequently the viewing-angle stability is very poor. However, this kind of screen is not unusual in this price range. The average brightness of 195 cd/m² is low, which could be particularly annoying in rooms with direct light sources. Furthermore, the glossy surface has an unfavorable effect. By comparison: the Acer is 40 cd/m² brighter.

185
cd/m²
197
cd/m²
192
cd/m²
186
cd/m²
206
cd/m²
210
cd/m²
185
cd/m²
191
cd/m²
206
cd/m²
Distribution of brightness
TN tested with X-Rite i1Pro 2
Maximum: 210 cd/m² (Nits) Average: 195.3 cd/m² Minimum: 10 cd/m²
Brightness Distribution: 88 %
Center on Battery: 207 cd/m²
Contrast: 589:1 (Black: 0.35 cd/m²)
ΔE Color 8.96 | 0.5-29.43 Ø5
ΔE Greyscale 9.27 | 0.57-98 Ø5.3
56.26% sRGB (Argyll 1.6.3 3D)
35.89% AdobeRGB 1998 (Argyll 1.6.3 3D)
38.85% AdobeRGB 1998 (Argyll 2.2.0 3D)
56.3% sRGB (Argyll 2.2.0 3D)
37.59% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.38
Lenovo G51-35 80M8002HGE
Radeon R5 (Beema/Carrizo-L), A8-7410, WDC Scorpio Blue WD10JPCX-24UE4T0
Toshiba Satellite C55D-C-10P Carrizo-L
Radeon R5 (Beema/Carrizo-L), A8-7410, Toshiba MQ01ABD100
Acer Aspire ES1-521-87DN
Radeon R5 (Beema/Carrizo-L), A8-6410, Western Digital Scorpio Blue WD5000LPVX
Fujitsu Lifebook A514
HD Graphics 4400, 4005U, Samsung SSD PM871 MZ7LN128HCHP
HP 350 G2 L8B05ES
Radeon R5 M240, 5200U, Seagate Momentus ST750LM022 HN-M750MB
Display
11%
6%
16%
16%
Display P3 Coverage
37.59
41.6
11%
39.83
6%
43.77
16%
43.59
16%
sRGB Coverage
56.3
62.3
11%
59.5
6%
65.1
16%
64.8
15%
AdobeRGB 1998 Coverage
38.85
43.01
11%
41.19
6%
45.24
16%
45.06
16%
Response Times
130%
Response Time Grey 50% / Grey 80% *
43.6 ?(23.2, 20.4)
47 ?(23, 24)
-8%
Response Time Black / White *
25.6 ?(19.6, 6)
26 ?(9, 17)
-2%
PWM Frequency
200 ?(90)
1000 ?(90)
400%
Screen
5%
-3%
3%
1%
Brightness middle
206
216
5%
245
19%
231
12%
251
22%
Brightness
195
220
13%
238
22%
216
11%
231
18%
Brightness Distribution
88
85
-3%
88
0%
84
-5%
86
-2%
Black Level *
0.35
0.28
20%
0.42
-20%
0.39
-11%
0.53
-51%
Contrast
589
771
31%
583
-1%
592
1%
474
-20%
Colorchecker dE 2000 *
8.96
10.46
-17%
10.49
-17%
8.08
10%
7.92
12%
Colorchecker dE 2000 max. *
14.26
16.84
-18%
Greyscale dE 2000 *
9.27
11.5
-24%
11.47
-24%
9.05
2%
8.9
4%
Gamma
2.38 92%
2.29 96%
2.52 87%
2.44 90%
2.18 101%
CCT
11213 58%
12724 51%
13286 49%
10926 59%
9917 66%
Color Space (Percent of AdobeRGB 1998)
35.89
40
11%
38
6%
41
14%
Color Space (Percent of sRGB)
56.26
62
10%
60
7%
65
16%
Total Average (Program / Settings)
8% / 7%
44% / 24%
10% / 7%
9% / 5%

* ... smaller is better

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
25.6 ms ... rise ↗ and fall ↘ combined↗ 19.6 ms rise
↘ 6 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 0.1 (minimum) to 240 (maximum) ms. » 56 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (21.6 ms).
       Response Time 50% Grey to 80% Grey
43.6 ms ... rise ↗ and fall ↘ combined↗ 23.2 ms rise
↘ 20.4 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.2 (minimum) to 636 (maximum) ms. » 69 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (33.9 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 detected 200 Hz ≤ 90 % brightness setting

The display backlight flickers at 200 Hz (worst case, e.g., utilizing PWM) Flickering detected at a brightness setting of 90 % and below. There should be no flickering or PWM above this brightness setting.

The frequency of 200 Hz is relatively low, so sensitive users will likely notice flickering and experience eyestrain at the stated brightness setting and below.

In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 18110 (minimum: 5 - maximum: 3846000) Hz was measured.

Difficult to use outdoors
Difficult to use outdoors

Typical for this price range are the high aberrations in colors and grayscale levels. They are in a DeltaE range of 9. An evident bluish tint is visible in a pre-calibrated state. However, calibrating completely eliminates it (linked color profile).

The rather low brightness is noticed unpleasantly outdoors. We could only find a suitable workplace in a shadowy environment.

CalMAN: Grayscale (pre-calibration)
CalMAN: Grayscale (pre-calibration)
CalMAN: ColorChecker (pre-calibration)
CalMAN: ColorChecker (pre-calibration)
CalMAN: Saturation Sweeps (pre-calibration)
CalMAN: Saturation Sweeps (pre-calibration)
CalMAN: Graycale (post-calibration)
CalMAN: Graycale (post-calibration)
CalMAN: ColorChecker (post-calibration)
CalMAN: ColorChecker (post-calibration)
CalMAN: Saturation Sweeps (post-calibration)
CalMAN: Saturation Sweeps (post-calibration)
AdobeRGB color-space coverage
AdobeRGB color-space coverage
sRGB color-space coverage
sRGB color-space coverage
 

Performance

LatencyMon
LatencyMon

AMD's A8 processor alongside AMD's integrated Radeon R5 graphics card is the core component. The installed 8 GB of working memory operates in single-channel mode and can be expanded via the empty slot. The present combination provides enough power for the office sector and has some limited reserves for multimedia applications. The 15.6-inch laptop is not equipped for the gaming world.

Processor

The incorporated AMD A8-7410 has a base clock of 2.2 GHz that can reach up to 2.5 GHz via Boost. The manufacturer states a maximum power dissipation of 12 - 25 watts (TDP). We test the quad-core processor's performance with Cinebench R15.

The review sample achieves 174 points in the multi-core test, which is on par with Toshiba's rival. Acer's ES1-521 still sports AMD's A8-6410 from the former generation, and consequently its score is 20 points lower.

According to Cinebench R15, performance losses will have to be counted with when often using the review sample without its power supply. Only 146 points is reached in battery mode.

Cinebench R15
CPU Single 64Bit
Toshiba Satellite C55D-C-10P Carrizo-L
Radeon R5 (Beema/Carrizo-L), A8-7410, Toshiba MQ01ABD100
52 Points 0%
Lenovo G51-35 80M8002HGE
Radeon R5 (Beema/Carrizo-L), A8-7410, WDC Scorpio Blue WD10JPCX-24UE4T0
52 Points
HP Pavilion 13-a093na x360
Radeon R5 (Beema/Carrizo-L), A8-6410, WDC Slim WD10SPCX-22HWST0
49 Points -6%
Acer Aspire ES1-521-87DN
Radeon R5 (Beema/Carrizo-L), A8-6410, Western Digital Scorpio Blue WD5000LPVX
49 Points -6%
CPU Multi 64Bit
Toshiba Satellite C55D-C-10P Carrizo-L
Radeon R5 (Beema/Carrizo-L), A8-7410, Toshiba MQ01ABD100
174 Points 0%
Lenovo G51-35 80M8002HGE
Radeon R5 (Beema/Carrizo-L), A8-7410, WDC Scorpio Blue WD10JPCX-24UE4T0
174 Points
HP Pavilion 13-a093na x360
Radeon R5 (Beema/Carrizo-L), A8-6410, WDC Slim WD10SPCX-22HWST0
165 Points -5%
Acer Aspire ES1-521-87DN
Radeon R5 (Beema/Carrizo-L), A8-6410, Western Digital Scorpio Blue WD5000LPVX
156 Points -10%
Cinebench R10 Shading 32Bit
2681
Cinebench R10 Rendering Multiple CPUs 32Bit
4428
Cinebench R10 Rendering Single 32Bit
1642
Cinebench R11.5 OpenGL 64Bit
16.29 fps
Cinebench R11.5 CPU Multi 64Bit
2.16 Points
Cinebench R11.5 CPU Single 64Bit
0.62 Points
Cinebench R15 Ref. Match 64Bit
98 %
Cinebench R15 OpenGL 64Bit
17.57 fps
Cinebench R15 CPU Multi 64Bit
174 Points
Cinebench R15 CPU Single 64Bit
52 Points
Help

System Performance

The 15.6-inch laptop's system generally runs quite smoothly. Occasional lags occurred when multitasking. Users who want a responsive system might consider upgrading via an SSD. With 1960 points, the system is on par with its rivals in PCMark 8 Home.

PCMark 8
Lenovo G51-35 80M8002HGE
Radeon R5 (Beema/Carrizo-L), A8-7410, WDC Scorpio Blue WD10JPCX-24UE4T0
Home Score Accelerated v2
1960 Points ∼29%
Acer Aspire ES1-521-87DN
Radeon R5 (Beema/Carrizo-L), A8-6410, Western Digital Scorpio Blue WD5000LPVX
Home Score Accelerated v2
1872 (min: 0) Points ∼28%
Toshiba Satellite C55D-C-10P Carrizo-L
Radeon R5 (Beema/Carrizo-L), A8-7410, Toshiba MQ01ABD100
Home Score Accelerated v2
1958 (min: 0) Points ∼29%
PCMark 8 Home Score Accelerated v2
1960 points
Help

Storage Device

A 5400 RPM, 1 TB hard drive is installed for storing data. The storage by Western Digital has sequential read and write rates of approximately 100 MB/s. The chosen hard drive model and the resulting outcomes are common for this low price range, and consequently our selection of rivals is on par.

Lenovo G51-35 80M8002HGE
Radeon R5 (Beema/Carrizo-L), A8-7410, WDC Scorpio Blue WD10JPCX-24UE4T0
Acer Aspire ES1-521-87DN
Radeon R5 (Beema/Carrizo-L), A8-6410, Western Digital Scorpio Blue WD5000LPVX
Toshiba Satellite C55D-C-10P Carrizo-L
Radeon R5 (Beema/Carrizo-L), A8-7410, Toshiba MQ01ABD100
HP 350 G2 L8B05ES
Radeon R5 M240, 5200U, Seagate Momentus ST750LM022 HN-M750MB
CrystalDiskMark 3.0
10%
-8%
-10%
Read Seq
100
109.6
10%
105.8
6%
100.2
0%
Write Seq
99.8
107.5
8%
98.3
-2%
97.8
-2%
Read 4k
0.424
0.419
-1%
0.358
-16%
0.364
-14%
Write 4k
0.966
1.171
21%
0.776
-20%
0.738
-24%
WDC Scorpio Blue WD10JPCX-24UE4T0
Transfer Rate Minimum: 38 MB/s
Transfer Rate Maximum: 115.3 MB/s
Transfer Rate Average: 79.9 MB/s
Access Time: 192 ms
Burst Rate: 197 MB/s
CPU Usage: 4.4 %

Graphics Card

We know AMD's integrated Radeon R5 from Acer's Aspire ES1. The internal graphics card is also used in the newer Carrizo L platform here. Its application field is mainly limited to basic routine tasks. It will hardly be possible to submerge into the world of computer games. 3DMark 11 confirms this insight. It still achieves a solid 120 points more with 860 points than the almost identically built Toshiba's Satellite C55D.

The additional performance loss in battery mode is particularly aggravating: We only achieve 647 points as soon as the review sample is used without its power supply.

3DMark 11
Lenovo G51-35 80M8002HGE
Radeon R5 (Beema/Carrizo-L), A8-7410, WDC Scorpio Blue WD10JPCX-24UE4T0
1280x720 Performance
860 Points ∼1%
Acer Aspire ES1-521-87DN
Radeon R5 (Beema/Carrizo-L), A8-6410, Western Digital Scorpio Blue WD5000LPVX
1280x720 Performance
829 (min: 0) Points ∼1%
Toshiba Satellite C55D-C-10P Carrizo-L
Radeon R5 (Beema/Carrizo-L), A8-7410, Toshiba MQ01ABD100
1280x720 Performance
815 (min: 0) Points ∼1%
Acer Aspire E5-722-662J
Radeon R5 (Beema/Carrizo-L), A6-7310, WDC Scorpio Blue WD10JPVX-22JC3T0
1280x720 Performance
834 Points ∼1%
HP Pavilion 13-a093na x360
Radeon R5 (Beema/Carrizo-L), A8-6410, WDC Slim WD10SPCX-22HWST0
1280x720 Performance
826 (min: 0) Points ∼1%
3DMark 11 Performance
860 points
Help

Gaming Performance

We already discovered the meager performance in the graphics benchmark, which also indicates limited gaming readiness. We only managed smooth frame rates using minimum setting in the game BioShock Infinite. However, users who want occasional diversion from office routine should either opt for older classics or prefer casual games from the Windows Store.

BioShock Infinite
1280x720 Very Low Preset
Lenovo G51-35 80M8002HGE
Radeon R5 (Beema/Carrizo-L), A8-7410, WDC Scorpio Blue WD10JPCX-24UE4T0
33.7 fps
HP Pavilion 17-f050ng
Radeon R5 (Beema/Carrizo-L), A8-6410, Toshiba MQ01ABF050
32.2 fps -4%
HP Pavilion 13-a093na x360
Radeon R5 (Beema/Carrizo-L), A8-6410, WDC Slim WD10SPCX-22HWST0
30.5 fps -9%
1366x768 Medium Preset
HP Pavilion 17-f050ng
Radeon R5 (Beema/Carrizo-L), A8-6410, Toshiba MQ01ABF050
19 fps +5%
Lenovo G51-35 80M8002HGE
Radeon R5 (Beema/Carrizo-L), A8-7410, WDC Scorpio Blue WD10JPCX-24UE4T0
18.05 fps
HP Pavilion 13-a093na x360
Radeon R5 (Beema/Carrizo-L), A8-6410, WDC Slim WD10SPCX-22HWST0
16.7 fps -7%
low med. high ultra
BioShock Infinite (2013) 33.7 18.05 15.37

Emissions & Energy Management

Quiet fan even in the stress test
Quiet fan even in the stress test

System Noise

We had to listen very attentively despite a permanently spinning fan. Only a quiet fan noise could be perceived even during load. Acer's rival proves that this behavior is not unusual. Toshiba's Satellite C55D shows the opposite side. With a noise level of up to 43.7 dB(A), it can produce a very audible soundscape.

Noise Level

Idle
30.6 / 30.6 / 30.6 dB(A)
HDD
30.7 dB(A)
Load
31.5 / 31.5 dB(A)
  red to green bar
 
 
30 dB
silent
40 dB(A)
audible
50 dB(A)
loud
 
min: dark, med: mid, max: light   ECM8000 + Voltcraft SL-451 (15 cm distance)   environment noise: 29.4 dB(A)

Temperature

The full score is also achieved here. Lenovo's G51 never heats up significantly. The hot spot during load is just 34 °C. However, the power supply gets warmer at almost 46 °C.

Following these many praising words in the Emissions section, we look at the clock rates and core temperatures inside. We examine the CPU's performance capacity in a stress test scenario via Prime95 and FurMark. The clock rate clearly drops below the base clock of 2.2 GHz to 1.6 GHz right after initiation. This restricting frequency behavior makes it easy for the processor to almost always maintain a temperature of below 50 °C.

The review sample's clock drops...
The review sample's clock drops...
...below the base speed in load state.
...below the base speed in load state.
Max. Load
 33.9 °C
93 F
32.6 °C
91 F
27 °C
81 F
 
 36.1 °C
97 F
33.8 °C
93 F
26.6 °C
80 F
 
 26.8 °C
80 F
33 °C
91 F
27.3 °C
81 F
 
Maximum: 36.1 °C = 97 F
Average: 30.8 °C = 87 F
27.8 °C
82 F
27.5 °C
82 F
27.8 °C
82 F
29 °C
84 F
33.1 °C
92 F
33.4 °C
92 F
28.3 °C
83 F
33.6 °C
92 F
29.1 °C
84 F
Maximum: 33.6 °C = 92 F
Average: 30 °C = 86 F
Power Supply (max.)  45.7 °C = 114 F | Room Temperature 21.9 °C = 71 F | Fluke 62 Max
(+) The average temperature for the upper side under maximal load is 30.8 °C / 87 F, compared to the average of 29.5 °C / 85 F for the devices in the class Office.
(+) The maximum temperature on the upper side is 36.1 °C / 97 F, compared to the average of 34.2 °C / 94 F, ranging from 21.2 to 62.5 °C for the class Office.
(+) The bottom heats up to a maximum of 33.6 °C / 92 F, compared to the average of 36.7 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 28.2 °C / 83 F, compared to the device average of 29.5 °C / 85 F.
(+) The palmrests and touchpad are reaching skin temperature as a maximum (33 °C / 91.4 F) and are therefore not hot.
(-) The average temperature of the palmrest area of similar devices was 27.7 °C / 81.9 F (-5.3 °C / -9.5 F).

Speakers

Speakers at half and maximum volume
Speakers at half and maximum volume

Two stereo speakers that deliver a relatively decent volume are responsible for the soundscape. However, the sound spectrum is mainly focused on the mids. Voices were rendered with enough high trebles during Skype calls, but basses were completely absent. The installed speakers are perfectly suitable for undemanding series and YouTube sessions. Music fans should preferably connect external devices for playback.

Power Consumption

At up to 10.6 watts, the review sample already proves thirstier than some other rivals based on Intel components. The similarly built Toshiba Satellite C55D even requires up to 12.1 watts. Our review sample only demands 30 watts at most during load, which is on par with the rivals. The included 45-watt power supply thus easily copes with all requirements.

Power Consumption
Off / Standbydarklight 0.28 / 0.6 Watt
Idledarkmidlight 5.8 / 9.1 / 10.6 Watt
Load midlight 25.4 / 29.7 Watt
 color bar
Key: min: dark, med: mid, max: light        Metrahit Energy
Currently we use the Metrahit Energy, a professional single phase power quality and energy measurement digital multimeter, for our measurements. Find out more about it here. All of our test methods can be found here.

Battery Runtime

Lenovo installs a 4-cell battery with a capacity of 31.7 Wh for mobile use. We test its endurance in a real-world scenario by simulating Internet browsing at a brightness of 150 cd/m². Our review sample went idle after approximately 3.5 hours. Acer's Aspire ES1 does a much better job with a runtime of almost five hours.

Battery Runtime - WiFi Websurfing
Acer Aspire ES1-521-87DN
Radeon R5 (Beema/Carrizo-L), A8-6410, Western Digital Scorpio Blue WD5000LPVX
290 min +41%
Toshiba Satellite C55D-C-10P Carrizo-L
Radeon R5 (Beema/Carrizo-L), A8-7410, Toshiba MQ01ABD100
254 min +24%
Lenovo G51-35 80M8002HGE
Radeon R5 (Beema/Carrizo-L), A8-7410, WDC Scorpio Blue WD10JPCX-24UE4T0
205 min
Battery Runtime
WiFi Websurfing
3h 25min

Pros

+ low noise and temperature development
+ solid system performance

Cons

- weaknesses in build
- glossy and dark screen

Verdict

In review: Lenovo G51-35. Test model courtesy of Notebooksbilliger.de
In review: Lenovo G51-35. Test model courtesy of Notebooksbilliger.de

The design of Lenovo's G51 is predisposed for occasional use. Although our review sample does not ascend the summits of affordable 15-inch devices, it does not have to hide despite some points of criticism. The mediocre build with sharp edges was annoying. On the other hand, the casing could reap in plus points in maintenance options and easy to remove battery. The weak TN panel is unfortunate as it can hardly be used reasonably outdoors due to its low brightness.

Users who only reside in the office world will be happy with the performance. The benchmarks also conveyed this impression. However, users who like to immerse themselves into the gaming world will have to look for an alternative. The low emissions that ensure a pleasantly subdued work atmosphere speak for that. Then again, the battery's weak performance has to be seen unfavorably. The review sample only achieved 3.5 hours in our Wi-Fi test.

Lenovo's G51-35 delivers just what is expected from a 450-Euro (~$505) laptop - and no more.

Taking a look at the named rivals is quite recommendable. Potential buyers with a bigger budget should definitely take a look at Acer's Aspire ES1 or other 15.6-inch laptops. We also refer to our Top 10 under 500 Euros.

Lenovo G51-35 80M8002HGE - 05/13/2016 v5.1(old)
Nino Ricchizzi

Chassis
58 / 98 → 59%
Keyboard
71%
Pointing Device
72%
Connectivity
40 / 80 → 51%
Weight
61 / 20-67 → 87%
Battery
72%
Display
71%
Games Performance
52 / 68 → 76%
Application Performance
51 / 92 → 55%
Temperature
94%
Noise
96%
Audio
50%
Camera
42 / 85 → 50%
Average
64%
74%
Office - Weighted Average

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Nino Ricchizzi, 2016-05-22 (Update: 2018-05-15)