Lenovo Legion 5i 15" Gen 7 vs Dell G15 5520 (2022)

You can select specific configurations for the laptops to get a more accurate comparative review
Display
Battery 80 Wh
CPU
GPU
RAM
Storage

Review

Evaluation of Lenovo Legion 5i 15" Gen 7 and Dell G15 5520 (2022) important characteristics
Performance
System and application performance
Gaming
Performance in popular 3D games
Display
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Connectivity
Ports, webcam and other interfaces
Case
Design, materials, durability and usability
NanoReview Score

Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo Legion 5i 15" Gen 7
  • Higher screen refresh rate: 165 versus 120 Hz
  • Higher number of cutting-edge USB Type-C ports: 3 versus 1
  • Slightly easier to carry: weighs 100 grams less (around 0.22 lbs)
  • Features a much bigger (~43%) battery – 80 against 56 watt-hours
  • Thinner bezels and 3% higher screen-to-body ratio
  • Better webcam recording quality
  • Provides 20% higher max. screen brightness: 300 vs 250 nits
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Tests and Specifications

Comparison table of test results and technical specs

Case

Weight 2.4 kg (5.29 lbs) 2.5 kg (5.51 lbs)
Dimensions 358.8 x 262.3 x 19.9-24 mm
14.13 x 10.33 x 0.78-0.94 inches
357.3 x 272.11 x 26.9 mm
14.07 x 10.71 x 1.06 inches
Area 941 cm2 (146 inches2) 972 cm2 (150.7 inches2)
Screen-to-body ratio ~71.3% ~69%
Side bezels 6.7 mm 6 mm
Colors Gray Black, Gray
Transformer No No
Opening angle 180° -
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Number of fans 2 2

Display

Size 15.6 inches 15.6 inches
Type IPS LCD IPS LCD
Refresh rate 165 Hz 120 Hz
PPI 141 ppi 141 ppi
Aspect ratio 16:9 16:9
Resolution 1920 x 1080 pixels 1920 x 1080 pixels
HDR support Yes, Dolby Vision No
Touchscreen No No
Coating Matte Matte
Display tests
Contrast - 800:1
sRGB color space 100% -
Response time - 35 ms
Max. brightness
300 nits
250 nits

Battery

Capacity
Voltage - 13.2 V
Battery type Li-Po Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes -
Charging port position Bottom Bottom
Charge power 230 W 180 / 240 W

CPU

CPU name
Base frequency 2.0 GHz 2.5 GHz
Turbo frequency 4.4 GHz 4.5 GHz
Cores 8 12
Threads 12 16
L3 Cache 12 MB 18 MB
Integrated GPU Intel Iris Xe Graphics (48EU) Intel Iris Xe Graphics G7 (80EU)
Fabrication process 10 nm 10 nm

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP 80 W 95 W
Nvidia Optimus MUX Yes, Advanced Optimus
Type Dedicated Dedicated
Fabrication process 8 nm 8 nm
GPU base clock 1530 MHz 1530 MHz
GPU boost clock 1740 MHz 1740 MHz
FLOPS 7.12 TFLOPS 7.12 TFLOPS
Memory size 4 GB 4 GB
Memory type GDDR6 GDDR6
Memory bus 128 bit 128 bit
Memory speed 12 Gbps 12 Gbps
Shading units (cores) 2048 2048
Texture mapping units (TMUs) 64 64
Raster operations pipelines (ROPs) 40 40
GPU performance
7.12 TFLOPS
7.12 TFLOPS

RAM

RAM size
Channels 2x8 GB 1x8 GB
Clock 4800 MHz 4800 MHz
Type DDR5 DDR5
Upgradable Yes Yes
Total slots 2 2
Max. ram size 32 GB 32 GB

Storage

Storage size
Bus PCI-E Gen 4.0 (4x) PCI-E Gen 4.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x512 GB 1x256 GB
Upgradable Yes Yes
Total slots 2 1
NVMe Yes Yes

Sound

Audio chip - Realtek ALC3254
Speakers 2.0 2.0
Power 2x2W 2x2W
Dolby Atmos No Yes
Microphones 2 2

Connectivity

Wi-Fi standard v6E v6
Bluetooth v5.2 v5.2
Fingerprint No No
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1920 x 1080 1280 x 720
Ports
USB-A 3x USB 3.2 3x USB 3.2
USB Type-C 3x USB 3.2 1x USB 4.0
Thunderbolt Thunderbolt 4 Thunderbolt 4
HDMI 1x HDMI 2.1 1x HDMI 2.1
DisplayPort No No
VGA No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) Yes Yes
SD card reader No No
Proprietary charging port Yes Yes

Input

Keyboard
Keyboard type Island Island
Numpad Yes Yes
Backlight Yes Yes
Key travel 1.5 mm -
Touchpad
Size - 10.5 x 6.0 cm
Surface - Plastic
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can be different depending on the laptop’s particular configuration or region.

Cast your vote

So, which laptop would you choose?
9 (60%)
6 (40%)
Total votes: 15

Comments

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