Lenovo Legion Slim 7i Gen 8 (2023) vs Slim 5i Gen 8 (2023)

Please select specific configurations for the laptops to get a more accurate comparative review
Battery 99.9 Wh


Evaluation of Lenovo Legion Slim 7i Gen 8 (2023) and Slim 5i Gen 8 (2023) important characteristics
System and application performance
Performance in popular 3D games
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Ports, webcam and other interfaces
Design, materials, durability and usability
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Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo Legion Slim 7i Gen 8 (2023)
  • Higher screen refresh rate: 165 versus 144 Hz
  • Easier to carry: weighs 300 grams less (around 0.66 lbs)
  • Features a much bigger (~67%) battery – 99.9 against 60 watt-hours
  • Includes an old-school USB-A port
  • Around 36% better multi-core CPU performance in the Cinebench R23 test
  • Can run popular games at about 13-18% higher FPS
  • 33% sharper screen – 189 versus 142 pixels per inch (PPI)

Value for money

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Tests and Specifications

Comparison table of test results and technical specs


Weight 2 kg (4.41 lbs) 2.3 kg (5.07 lbs)
Dimensions 357.7 x 259.3 x 17.6-19.9 mm
14.08 x 10.21 x 0.69-0.78 inches
359.7 x 260.3 x 19.9-25.2 mm
14.16 x 10.25 x 0.78-0.99 inches
Area 928 cm2 (143.8 inches2) 936 cm2 (145.1 inches2)
Screen-to-body ratio ~80% ~79.3%
Side bezels 6.5 mm 7.5 mm
Colors White, Gray Gray
Material Aluminum Top: Aluminum
Middle: Plastic
Bottom: Plastic
Transformer No No
Opening angle 180° 180°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Liquid metal No No
Number of fans 2 2
Noise level (max. load) 54.4 dB -


Size 16 inches 16 inches
Refresh rate 165 Hz 144 Hz
PPI 189 ppi 142 ppi
Aspect ratio 16:10 16:10
Resolution 2560 x 1600 pixels 1920 x 1200 pixels
HDR support Yes, Dolby Vision No
Sync technology G-Sync G-Sync
Touchscreen No No
Coating Matte Matte
Ambient light sensor No No
Display tests
Contrast 1200:1 1200:1
sRGB color space 100% -
Response time 5 ms -
Max. brightness


Full charging time 1:30 hr -
Battery type Li-Po Li-Po
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes Yes
Charging port position Left, Bottom Left, Bottom
Charge power 230 / 330 W 170 / 230 W
Weight of AC adapter 835 / 1080 grams -


CPU name
Base frequency 2.6 GHz 2 GHz
Turbo frequency 4.7 GHz 4.4 GHz
Cores 12 (4P + 8E) 8 (4P + 4E)
Threads 16 12
L3 Cache 18 MB 12 MB
Integrated GPU Intel Iris Xe Graphics (80EU) Intel UHD Graphics (48EU)
Fabrication process 10 nm 10 nm


Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP 115 W 95 W
Nvidia Optimus Yes, Advanced Optimus Yes, Advanced Optimus
Type Dedicated Dedicated
Fabrication process 4 nm 8 nm
GPU base clock - 1530 MHz
GPU boost clock - 1740 MHz
Memory size 6 GB 6 GB
Memory type GDDR6 GDDR6
Memory bus 96 bit 128 bit
Memory speed ~16 Gbps 12 Gbps
Shading units (cores) 2560 2048
Texture mapping units (TMUs) 80 64
Raster operations pipelines (ROPs) 32 40
GPU performance


RAM size
Channels 1x16 GB 1x8 GB
Clock 5200 MHz 5200 MHz
Type DDR5 DDR5
Upgradable Yes Yes
Total slots 1 2
Max. ram size 32 GB 32 GB


Storage size
Bus PCI-E Gen 4.0 (4x) PCI-E Gen 4.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x512 GB 1x512 GB
Upgradable Yes Yes
Total slots 2 2
NVMe Yes Yes


Audio chip Realtek ALC3306 Realtek ALC3287
Speakers 2.0 2.0
Power 2x2W 2x2W
Dolby Atmos No No
Loudness ~84.8 dB -
Microphones 2 2


Wi-Fi standard v6E v6E
Bluetooth v5.3 v5.2
Fingerprint Yes No
Infrared sensor No No
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1920 x 1080 1920 x 1080
USB-A 3x USB 3.2 2x USB 3.2
USB Type-C 2x USB 4.0 2x USB 4.0
Thunderbolt Thunderbolt 4 Thunderbolt 4
HDMI 1x HDMI 2.1 1x HDMI 2.1
DisplayPort No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) No Yes
SD card reader Yes Yes
Proprietary charging port Yes Yes


Keyboard type Island Island
Numpad Yes Yes
Backlight Yes Yes
Key travel 1.5 mm 1.5 mm
Size 12.0 x 7.5 cm 12.0 x 7.5 cm
Surface Glass Plastic
Windows Precision Yes Yes
Further details
Notes on Legion Slim 5i Gen 8 (2023):
    - Models with RTX 4060/4070 graphics have a thickness of 19.9-25.2 mm, while those with RTX 4050/3050 are 19.9-21.9 mm thick.
    - By pressing Fn+R, you can switch the display refresh rate between 240Hz, 165Hz, 144Hz, and 60Hz.
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.

Cast your vote

So, which laptop would you choose?
16 (61.5%)
10 (38.5%)
Total votes: 26


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