Lenovo Legion 5i Pro Gen 6 (2021, Intel) vs IdeaPad 3i 15” (2021, Intel)
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 Pro Gen 6 (2021, Intel)
- Higher screen refresh rate: 165 versus 60 Hz
- Around 3.9x better multi-core CPU performance in the Cinebench R23 test
- Can run popular games at about 84-114% higher FPS
- Features a much bigger (~111%) battery – 80 against 38 watt-hours
- Includes an old-school USB-A port
- Higher number of cutting-edge USB Type-C ports: 2 versus 1
- High-speed PCI Express Gen 4 interface
- Provides 67% higher max. screen brightness: 500 vs 300 nits
- 34% sharper screen – 189 versus 141 pixels per inch (PPI)
Advantages of the Lenovo IdeaPad 3i 15” (2021, Intel)
- Significantly easier to carry: weighs 600 grams less (around 1.32 lbs)
- Smaller footprint: 10% more compact case (131.7 vs 145.8 square inches)
We may earn commissions from Amazon for purchases made via the links below. This does not affect our assessment methodology.
Tests and Specifications
Comparison table of test results and technical specsCase
Weight | 2.3 kg (5.07 lbs) | 1.7 kg (3.75 lbs) |
Dimensions | 356 x 264.2 x 21.7-26.8 mm 14.02 x 10.4 x 0.85-1.06 inches |
359.2 x 236.5 x 19.9 mm 14.14 x 9.31 x 0.78 inches |
Area | 941 cm2 (145.8 inches2) | 850 cm2 (131.6 inches2) |
Screen-to-body ratio | ~78.9% | ~79% |
Side bezels | 5.7 mm | 6.9 mm |
Colors | White, Gray | Gray, Blue, Yellow |
Transformer | No | No |
Opening angle | 180° | 180° |
Size comparison
Cooling system | Active | Active |
Vapor chamber | - | No |
Number of fans | 2 | 2 |
Display
Size | 16 inches | 15.6 inches |
Type | IPS LCD | TFT VA |
Refresh rate | 165 Hz | 60 Hz |
PPI | 189 ppi | 141 ppi |
Aspect ratio | 16:10 | 16:9 |
Resolution | 2560 x 1600 pixels | 1920 x 1080 pixels |
HDR support | Yes, Dolby Vision | No |
Touchscreen | No | No |
Coating | Matte | Matte |
sRGB color space | 100% | - |
Response time | 3 ms | - |
Max. brightness
Battery
Capacity
Battery type | Li-Po | Li-Ion |
Replaceable | No | No |
Fast charging | Yes | Yes |
USB Power Delivery | Yes | No |
Charging port position | Bottom | Left |
Charge power | 230 W | 65 W |
CPU
CPU name
Base frequency | 2.2-2.7 GHz | 1.7-3.0 GHz |
Turbo frequency | 4.5 GHz | 4.1 GHz |
Cores | 6 | 2 |
Threads | 12 | 4 |
L3 Cache | 12 MB | 6 MB |
Integrated GPU | Intel UHD Graphics for 11th Gen (16 EU) | Intel Iris Xe Graphics G4 |
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 | - |
Nvidia Optimus | MUX | - |
Type | Dedicated | Dedicated |
Fabrication process | 8 nm | 12 nm |
GPU base clock | 1530 MHz | - |
GPU boost clock | 1740 MHz | - |
FLOPS | 7.12 TFLOPS | 2.822 TFLOPS |
Memory size | 4 GB | 2 GB |
Memory type | GDDR6 | GDDR6 |
Memory bus | 128 bit | 64 bit |
Memory speed | 12 Gbps | ~8-10 Gbps |
Shading units (cores) | 2048 | 896 |
Texture mapping units (TMUs) | 64 | 56 |
Raster operations pipelines (ROPs) | 40 | 32 |
GPU performance
RAM
RAM size
Channels | 1x8 GB | 1x4 GB |
Clock | 3200 MHz | 3200 MHz |
Type | DDR4 | DDR4 |
Upgradable | Yes | Yes |
Total slots | 2 | 2 |
Max. ram size | 32 GB | 16 GB |
Storage
Storage size
Bus | PCI-E Gen 4.0 (4x) | PCI-E Gen 3.0 (4x) |
Storage type | SSD (M2) | SSD (M2) |
Channels | 1x256 GB | 1x256 GB |
Upgradable | Yes | Yes |
Total slots | 2 | 1 |
NVMe | Yes | Yes |
Sound
Speakers | 2.0 | 2.0 |
Power | 2x2W | 2x1.5W |
Dolby Atmos | Yes | Yes |
Microphones | 2 | 2 |
Connectivity
Wi-Fi standard | v6 | v6 |
Bluetooth | v5.1 | v5.1 |
Fingerprint | No | No |
Optical drive | No | No |
Webcam | Above the display | Above the display |
Webcam resolution | 1280 x 720 | 1280 x 720 |
USB-A | 4x USB 3.2 | 2x USB 3.2 |
USB Type-C | 2x USB 3.2 | 1x USB 3.2 |
Thunderbolt | Thunderbolt 4 | No |
HDMI | 1x HDMI 2.1 | 1x HDMI 2.0 |
DisplayPort | No | No |
VGA | No | No |
Audio jack (3.5 mm) | Yes | Yes |
Ethernet (RJ45) | Yes | No |
SD card reader | No | Yes |
Proprietary charging port | Yes | Yes |
Input
Keyboard type | Island | Island |
Numpad | Yes | Yes |
Backlight | Yes | Yes |
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
Total votes: < 1