Asus ROG Zephyrus Duo 16 RTX 4080 (2023) vs Lenovo Legion Pro 7i Gen 8 Intel RTX 4090 (2023)
What ROG Zephyrus Duo 16 RTX 4080 (2023) does better (13) and where Legion Pro 7i Gen 8 Intel RTX 4090 (2023) wins (10) — every spec side by side.
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9.4Graphics9.6
9.4Overall performance9.2
9.5Display9.1
8.6Memory & storage8.6
3.7Battery & portability6.6
7.0Features & cooling7.7
Dimensions
Size comparison
ROG Zephyrus Duo 16 RTX 4080 (2023)Legion Pro 7i Gen 8 Intel RTX 4090 (2023)
| ROG Zephyrus Duo 16 RTX 4080 (2023) | Legion Pro 7i Gen 8 Intel RTX 4090 (2023) | Difference | |
|---|---|---|---|
| Depth | 266 mm | 262.1 mm | +3.9 mm |
| Width | 355 mm | 363.4 mm | −8.4 mm |
| Thickness | 29.7 mm | 25.9 mm | +3.8 mm |
| Weight | 2.7 kg | 2.8 kg | −0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus Duo 16 RTX 4080 (2023) better than Legion Pro 7i Gen 8 Intel RTX 4090 (2023)?
- Brightness1,100 nits vs 500 nits2.2×
- Panel typeMini-LED vs IPS
- Geekbench 6 multi-core19,038 vs 14,504+31%
- Cinebench 2024 multi-core1,961 vs 1,337+47%
- Weight2.67 kg vs 2.8 kg+5%
- SSD (base)1,024 GB vs 512 GB2×
- SD card readerYes · Legion Pro 7i Gen 8 Intel RTX 4090 (2023): No
- Dolby AtmosYes · Legion Pro 7i Gen 8 Intel RTX 4090 (2023): No
- DCI-P3 coverage99% vs 69%+43%
- CPU threads32 vs 24+33%
- Geekbench 6 single-core3,105 vs 2,652+17%
- Key travel1.7 mm vs 1.5 mm+13%
Why is Legion Pro 7i Gen 8 Intel RTX 4090 (2023) better than ROG Zephyrus Duo 16 RTX 4080 (2023)?
- Thunderbolt or USB4No · ROG Zephyrus Duo 16 RTX 4080 (2023): Yes
- Battery capacity90 Wh vs 100 Wh+11%
- GPU compute (FP32)37.6 TFLOPS vs 45.2 TFLOPS+20%
- 3DMark Steel Nomad Light22,812 vs 25,145+10%
- Video memory12 GB vs 16 GB+33%
- GPU shader cores7,424 vs 9,728+31%
- Vapor chamber coolingNo · ROG Zephyrus Duo 16 RTX 4080 (2023): Yes
- USB-A ports2 vs 42×
- Thickness29.7 mm vs 25.9 mm+15%
- RAM speed4,800 MHz vs 6,000 MHz+25%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4080 Laptop | GeForce RTX 4090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 12 GB | 16 GB |
| Video memory type | GDDR6 | GDDR6 |
| GPU shader cores | 7,424 | 9,728 |
| GPU compute (FP32) | 37.6 TFLOPS | 45.2 TFLOPS |
| 3DMark Steel Nomad Light | 22,812 | 25,145 |
| Processor | ||
| Processor | Ryzen 9 7945HX | Core i7-13700HX |
| CPU maker | AMD | Intel |
| CPU cores | 16 | 16 |
| CPU threads | 32 | 24 |
| Max CPU clock | 5.4 GHz | 5 GHz |
| Processor options | Ryzen 9 7945HX | Core i7-13700HX, Core i9-13900HX |
| Geekbench 6 multi-core | 19,038 | 14,504 |
| Geekbench 6 single-core | 3,105 | 2,652 |
| Cinebench 2024 multi-core | 1,961 | 1,337 |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2560 × 1600 | 2560 × 1600 |
| Resolution class | QHD (1440p/1600p) | QHD (1440p/1600p) |
| Refresh rate | 240 Hz | 240 Hz |
| Panel type | Mini-LED | IPS |
| Brightness | 1,100 nits | 500 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 99% | 69% |
| Pixel density | 189 ppi | 189 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 | 16 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 4,800 MHz | 6,000 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 4,096 GB | 4,096 GB |
| SSD (base) | 1,024 GB | 512 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 100 Wh |
| Power adapter | 330 W | 330 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 2.67 kg | 2.8 kg |
| Thickness | 29.7 mm | 25.9 mm |
| Width | 355 mm | 363.4 mm |
| Depth | 266 mm | 262.1 mm |
| Body material | Aluminium | Aluminium |
| Colours | Black | Gray |
| Cooling fans | 2 | 2 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | Yes | Yes |
| Fan noise (max. load) | 56 dB | 56 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | — | Thunderbolt 4 |
| Thunderbolt or USB4 | No | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 4 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | No |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 6E |
| Bluetooth | 5.2 | 5.2 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Key travel | 1.7 mm | 1.5 mm |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | No | No |
| Fingerprint reader | Yes | No |
| Audio | ||
| Speakers | 2.4 | 2.0 |
| Dolby Atmos | Yes | No |
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