Lenovo Legion 5i 17" (2021, Intel) vs 5i 15" Gen 7
You can select specific configurations for the laptops to get a more accurate comparative review
Review
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
Advantages of the Lenovo Legion 5i 15" Gen 7
- Higher screen refresh rate: 165 versus 60 Hz
- Significantly easier to carry: weighs 580 grams less (around 1.28 lbs)
- Better webcam recording quality
- High-speed PCI Express Gen 4 interface
- Much smaller footprint: 19% more compact case (145.8 vs 179.2 square inches)
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Tests and Specifications
Comparison table of test results and technical specsCase
Weight | 2.98 kg (6.57 lbs) | 2.4 kg (5.29 lbs) |
Dimensions | 398.6 x 290 x 24.3-26.2 mm 15.69 x 11.42 x 0.96-1.03 inches |
358.8 x 262.3 x 19.9-24 mm 14.13 x 10.33 x 0.78-0.94 inches |
Area | 1156 cm2 (179.2 inches2) | 941 cm2 (146 inches2) |
Screen-to-body ratio | ~71.4% | ~71.3% |
Side bezels | 7.8 mm | 6.7 mm |
Colors | Blue | Gray |
Transformer | No | No |
Opening angle | 180° | 180° |
Size comparison
Cooling system | Active | Active |
Vapor chamber | No | No |
Number of fans | 2 | 2 |
Display
Size | 17.3 inches | 15.6 inches |
Type | IPS LCD | IPS LCD |
Refresh rate | 60 Hz | 165 Hz |
PPI | 127 ppi | 141 ppi |
Aspect ratio | 16:9 | 16:9 |
Resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
HDR support | Yes, Dolby Vision | Yes, Dolby Vision |
Touchscreen | No | No |
Coating | Matte | Matte |
Contrast | 1030:1 | - |
sRGB color space | - | 100% |
Response time | 23 ms | - |
Max. brightness
Battery
Capacity
Battery type | Li-Po | Li-Po |
Replaceable | No | No |
Fast charging | Yes | Yes |
USB Power Delivery | Yes | Yes |
Charging port position | Bottom | Bottom |
Charge power | 170 / 230 / 300 W | 230 W |
CPU
CPU name
Base frequency | 2.2-2.7 GHz | 2.0 GHz |
Turbo frequency | 4.5 GHz | 4.4 GHz |
Cores | 6 | 8 |
Threads | 12 | 12 |
L3 Cache | 12 MB | 12 MB |
Integrated GPU | Intel UHD Graphics for 11th Gen (16 EU) | Intel Iris Xe Graphics (48EU) |
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 | 95 W | 80 W |
Nvidia Optimus | MUX | MUX |
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
RAM
RAM size
Channels | 1x8 GB | 2x8 GB |
Clock | 3200 MHz | 4800 MHz |
Type | DDR4 | DDR5 |
Upgradable | Yes | Yes |
Total slots | 2 | 2 |
Max. ram size | 32 GB | 32 GB |
Storage
Storage size
Bus | PCI-E Gen 3.0 (4x) | PCI-E Gen 4.0 (4x) |
Storage type | SSD (M2) | SSD (M2) |
Channels | 1x256 GB | 1x512 GB |
Upgradable | Yes | Yes |
Total slots | 2 | 2 |
NVMe | Yes | Yes |
Sound
Speakers | 2.0 | 2.0 |
Power | 2x2W | 2x2W |
Dolby Atmos | No | No |
Microphones | 2 | 2 |
Connectivity
Wi-Fi standard | v6 | v6E |
Bluetooth | v5.1 | v5.2 |
Fingerprint | No | No |
Optical drive | No | No |
Webcam | Above the display | Above the display |
Webcam resolution | 1280 x 720 | 1920 x 1080 |
USB-A | 3x USB 3.2 | 3x USB 3.2 |
USB Type-C | 3x USB 3.2 | 3x USB 3.2 |
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 type | Island | Island |
Numpad | Yes | Yes |
Backlight | Yes | Yes |
Key travel | 1.5 mm | 1.5 mm |
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.
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