Lenovo Legion 7 Gen 7 (2022, AMD) vs Dell G15 5520 (2022)
66
out of 100
VS
52
out of 100
Please 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
Portability
Design, materials, durability and usability
You can adjust the importance of each feature to more precisely determine which laptop better suits your personal needs.
Key Differences
Advantages of the Lenovo Legion 7 Gen 7 (2022, AMD)
- Higher screen refresh rate: 165 versus 120 Hz
- Higher number of cutting-edge USB Type-C ports: 4 versus 1
- Can run popular games at about 54-74% higher FPS
- Features a much bigger (~78%) battery – 99.9 against 56 watt-hours
- Thinner bezels and 14% higher screen-to-body ratio
- Better webcam recording quality
- Provides 100% higher max. screen brightness: 500 vs 250 nits
- 34% sharper screen – 189 versus 141 pixels per inch (PPI)
Advantages of the Dell G15 5520 (2022)
- Includes an old-school USB-A port
Value for money
Please input the prices of the laptops (with selected configurations) and press the "Calculate" button to determine which one offers better value for money.
Tests and Specifications
Comparison table of test results and technical specsCase
| Weight | 2.5 kg (5.51 lbs) | 2.5 kg (5.51 lbs) |
| Dimensions | 358.1 x 263.5 x 19.4 mm 14.1 x 10.37 x 0.76 inches |
357.3 x 272.11 x 26.9 mm 14.07 x 10.71 x 1.06 inches |
| Area | 944 cm2 (146.2 inches2) | 972 cm2 (150.7 inches2) |
| Screen-to-body ratio | ~78.7% | ~69% |
| Side bezels | 6.8 mm | 6 mm |
| Colors | Gray | Black, Gray |
| Material | Aluminum | Plastic |
| Transformer | No | No |
| Opening angle | 180° | - |
Size comparison
| Cooling system | Active | Active |
| Vapor chamber | Yes | No |
| Liquid metal | No | No |
| Number of fans | 2 | 2 |
| Noise level (max. load) | 54.2 dB | 52.5 dB |
Display
| Size | 16 inches | 15.6 inches |
| Type | IPS LCD | IPS LCD |
| Refresh rate | 165 Hz | 120 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 |
| Sync technology | FreeSync | G-Sync |
| Touchscreen | No | No |
| Coating | Matte | Matte |
| Ambient light sensor | No | No |
Screen space comparison
Legion 7 Gen 7 (2022, AMD)
16″ (16:10 ratio) = 115.1 in2
G15 5520 (2022)
15.6″ (16:9 ratio) = 104 in2
~10% more screen space
| Contrast | 1113:1 | 800:1 |
| sRGB color space | 95.3% | 75% |
| Adobe RGB profile | 65.7% | - |
| DCI-P3 color gamut | 63.7% | - |
| Response time | 10 ms | 35 ms |
Max. brightness
Battery
Capacity
| Voltage | - | 13.2 V |
| Full charging time | 1:20 hr | - |
| 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 / 300 W | 180 / 240 W |
| Cable length | - | 1 meters |
| Weight of AC adapter | 999 grams | 955 / 1057 grams |
CPU
CPU name
| Base frequency | 3.2 GHz | 2.5 GHz |
| Turbo frequency | 4.7 GHz | 4.5 GHz |
| Cores | 8 | 12 (4P + 8E) |
| Threads | 16 | 16 |
| L3 Cache | 16 MB | 18 MB |
| Integrated GPU | AMD Radeon 680M | Intel Iris Xe Graphics (80EU) |
| Fabrication process | 6 nm | 10 nm |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Graphics Card
GPU name
| TGP | 140 W | 95 W |
| Nvidia Optimus | MUX | MUX |
| Type | Dedicated | Dedicated |
| Fabrication process | 7 nm | 8 nm |
| GPU base clock | 1489 MHz | 1530 MHz |
| GPU boost clock | 2250 MHz | 1740 MHz |
| FLOPS | 14.1 TFLOPS | 7.12 TFLOPS |
| Memory size | 10 GB | 4 GB |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 160 bit | 128 bit |
| Memory speed | ~16 Gbps | 12 Gbps |
| Shading units (cores) | 2304 | 2048 |
| Texture mapping units (TMUs) | 144 | 64 |
| Raster operations pipelines (ROPs) | 64 | 40 |
GPU performance
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 ALC3287 | Realtek ALC3254 |
| Speakers | 2.0 | 2.0 |
| Power | 2x2W | 2x2W |
| Dolby Atmos | No | Yes |
| Loudness | ~84.7 dB | ~83 dB |
| Microphones | 2 | 2 |
Connectivity
| Wi-Fi standard | v6E | v6 |
| Bluetooth | v5.2 | 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 | 1280 x 720 |
| USB-A | 2x USB 3.2 | 3x USB 3.2 |
| USB Type-C | 4x USB 4.0 | 1x USB 4.0 |
| Thunderbolt | No | 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 | - |
| Size | 12.0 x 7.5 cm | 10.5 x 6.0 cm |
| Surface | Plastic | Plastic |
| Windows Precision | Yes | Yes |
Further details
Notes on G15 5520 (2022):
- Thunderbolt 4 is exclusive to the GeForce RTX 3060 models and above, while the models with RTX 3050 Ti offer USB 3.2 Gen 2.
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.
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