vs
8.6Graphics9.1
5.0Overall performance8.6
6.0Display9.3
7.7Memory & storage5.9
4.0Battery & portability7.9
6.7Features & cooling9.0
Dimensions
Size comparison
m18 RTX 4090 (2023)Legion 9 18 G10 RTX 5090 (2025)
| m18 RTX 4090 (2023) | Legion 9 18 G10 RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 319.9 mm | 297 mm | +22.9 mm |
| Width | 410.3 mm | 403 mm | +7.3 mm |
| Thickness | 26.7 mm | 28 mm | −1.3 mm |
| Weight | 4.2 kg | 3.5 kg | +0.7 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is m18 RTX 4090 (2023) better than Legion 9 18 G10 RTX 5090 (2025)?
- Refresh rate480 Hz vs 240 Hz2×
- SSD (up to)8,192 GB vs 2,000 GB4.1×
- Dolby AtmosYes · Legion 9 18 G10 RTX 5090 (2025): No
- Thickness26.7 mm vs 28 mm+5%
- Key travel1.8 mm vs 1.6 mm+12%
- DCI-P3 coverage100% vs 89%+12%
Why is Legion 9 18 G10 RTX 5090 (2025) better than m18 RTX 4090 (2023)?
- Geekbench 6 multi-core14,772 vs 22,129+50%
- Resolution classFull HD (1080p/1200p) vs 4K (2160p/2400p)
- Panel typeIPS vs Mini-LED
- Cinebench 2024 multi-core1,124 vs 2,079+85%
- Brightness300 nits vs 540 nits+80%
- CPU cores14 vs 24+71%
- Battery capacity97 Wh vs 100 Wh+3%
- Weight4.23 kg vs 3.5 kg+21%
- 3DMark Steel Nomad Light26,790 vs 30,865+15%
- GPU compute (FP32)45.2 TFLOPS vs 51.4 TFLOPS+14%
- Video memory16 GB vs 24 GB+50%
- RAM (base)16 GB vs 64 GB4×
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4090 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 16 GB | 24 GB |
| Video memory type | GDDR6 | GDDR7 |
| GPU shader cores | 9,728 | 10,496 |
| GPU compute (FP32) | 45.2 TFLOPS | 51.4 TFLOPS |
| 3DMark Steel Nomad Light | 26,790 | 30,865 |
| Processor | ||
| Processor | Core i7-13650HX | Core Ultra 9 275HX |
| CPU maker | Intel | Intel |
| CPU cores | 14 | 24 |
| CPU threads | 20 | 24 |
| Max CPU clock | 4.9 GHz | 5.4 GHz |
| Processor options | Core i7-13650HX, Core i7-13700HX, Ryzen 7 7745HX, Core i9-13900HX, Core i9-13980HX, Ryzen 9 7845HX, Ryzen 9 7945HX | Core Ultra 9 275HX, Core Ultra 9 290HX Plus |
| Geekbench 6 multi-core | 14,772 | 22,129 |
| Geekbench 6 single-core | 2,840 | 3,236 |
| Cinebench 2024 multi-core | 1,124 | 2,079 |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 1920 × 1200 | 3840 × 2400 |
| Resolution class | Full HD (1080p/1200p) | 4K (2160p/2400p) |
| Refresh rate | 480 Hz | 240 Hz |
| Panel type | IPS | Mini-LED |
| Brightness | 300 nits | 540 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 100% | 89% |
| Pixel density | 126 ppi | 252 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 16 GB | 64 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 4,800 MHz | 5,600 MHz |
| Max. supported RAM | 64 GB | 192 GB |
| RAM slots | 2 | 4 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 8,192 GB | 2,000 GB |
| SSD (base) | 256 GB | 2,000 GB |
| M.2 SSD slots | 4 | 4 |
| SSD interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Battery & power | ||
| Battery capacity | 97 Wh | 100 Wh |
| Power adapter | 330 W | 400 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | — | 140 W |
| Design & cooling | ||
| Weight | 4.23 kg | 3.5 kg |
| Thickness | 26.7 mm | 28 mm |
| Width | 410.3 mm | 403 mm |
| Depth | 319.9 mm | 297 mm |
| Body material | Aluminium | Aluminium |
| Colours | Black, Gray | Grey |
| Cooling fans | 4 | 4 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | Yes |
| Fan noise (max. load) | 56.7 dB | 56 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 5 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 3 | 3 |
| USB-A ports | 3 | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | Yes | No |
| Ethernet | — | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Key travel | 1.8 mm | 1.6 mm |
| Webcam | 1,080p | 1,440p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.0 | 6 speakers |
| Dolby Atmos | Yes | No |
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