Asus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) vs Lenovo Legion 7i Gen 6 16 Intel RTX 3080 (2021)
What ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) does better (22) and where Legion 7i Gen 6 16 Intel RTX 3080 (2021) wins (7) — every spec side by side.
vs
9.7Graphics8.7
9.4Overall performance5.7
9.3Display8.9
5.3Memory & storage4.1
3.6Battery & portability6.0
6.4Features & cooling6.8
Dimensions
Size comparison
ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)Legion 7i Gen 6 16 Intel RTX 3080 (2021)
| ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) | Legion 7i Gen 6 16 Intel RTX 3080 (2021) | Difference | |
|---|---|---|---|
| Depth | 266 mm | 260 mm | +6 mm |
| Width | 355 mm | 360 mm | −5 mm |
| Thickness | 30 mm | 23.5 mm | +6.5 mm |
| Weight | 2.7 kg | 2.5 kg | +0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) better than Legion 7i Gen 6 16 Intel RTX 3080 (2021)?
- 3DMark Steel Nomad Light26,424 vs 12,4072.1×
- GPU compute (FP32)45.2 TFLOPS vs 21.8 TFLOPS2.1×
- Geekbench 6 multi-core19,038 vs 9,2332.1×
- Cinebench 2024 multi-core1,961 vs 5413.6×
- Brightness1,100 nits vs 500 nits2.2×
- CPU cores16 vs 82×
- Refresh rate240 Hz vs 165 Hz+45%
- Battery capacity90 Wh vs 80 Wh+12%
- GPU power (TGP)175 W vs 165 W+6%
- GPU shader cores9,728 vs 6,144+58%
- SSD (base)2,000 GB vs 512 GB3.9×
- CPU threads32 vs 162×
Why is Legion 7i Gen 6 16 Intel RTX 3080 (2021) better than ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)?
- Thunderbolt or USB4No · ROG Zephyrus Duo 16 GX650 RTX 4090 (2023): Yes
- Weight2.67 kg vs 2.5 kg+7%
- Thickness30 mm vs 23.5 mm+28%
- Vapor chamber coolingNo · ROG Zephyrus Duo 16 GX650 RTX 4090 (2023): Yes
- SSD (up to)2,000 GB vs 2,048 GB+2%
- USB-C ports2 vs 3+50%
- USB-A ports2 vs 3+50%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4090 Laptop | GeForce RTX 3080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 165 W |
| Video memory | 16 GB | 16 GB |
| Video memory type | GDDR6 | GDDR6 |
| GPU shader cores | 9,728 | 6,144 |
| GPU compute (FP32) | 45.2 TFLOPS | 21.8 TFLOPS |
| 3DMark Steel Nomad Light | 26,424 | 12,407 |
| Processor | ||
| Processor | Ryzen 9 7945HX | Core i7-11800H |
| CPU maker | AMD | Intel |
| CPU cores | 16 | 8 |
| CPU threads | 32 | 16 |
| Max CPU clock | 5.4 GHz | 4.6 GHz |
| Processor options | Ryzen 9 7945HX | Core i7-11800H, Core i9-11980HK |
| Geekbench 6 multi-core | 19,038 | 9,233 |
| Geekbench 6 single-core | 3,105 | 2,003 |
| Cinebench 2024 multi-core | 1,961 | 541 |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2560 × 1600 | 2560 × 1600 |
| Resolution class | QHD (1440p/1600p) | QHD (1440p/1600p) |
| Refresh rate | 240 Hz | 165 Hz |
| Panel type | IPS | IPS |
| Brightness | 1,100 nits | 500 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | — |
| DCI-P3 coverage | 99% | — |
| 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) | 32 GB | 32 GB |
| RAM (base) | 32 GB | 16 GB |
| RAM type | DDR5 | DDR4 |
| RAM speed | 4,800 MHz | 3,200 MHz |
| Max. supported RAM | 64 GB | 32 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 2,000 GB | 2,048 GB |
| SSD (base) | 2,000 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 | 80 Wh |
| Power adapter | 330 W | 300 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 2.67 kg | 2.5 kg |
| Thickness | 30 mm | 23.5 mm |
| Width | 355 mm | 360 mm |
| Depth | 266 mm | 260 mm |
| Body material | Aluminium | Aluminium |
| Colours | Black | Gray |
| Cooling fans | 2 | 2 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 56 dB | — |
| Ports & wireless | ||
| Thunderbolt / USB4 | — | Thunderbolt 4 |
| Thunderbolt or USB4 | No | Yes |
| USB-C ports | 2 | 3 |
| USB-A ports | 2 | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet | 5 Gbit/s | — |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | No |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.2 | 5.1 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Key travel | 1.7 mm | 1.3 mm |
| Webcam | 1,080p | 720p |
| IR camera (face login) | No | No |
| Fingerprint reader | Yes | No |
| Audio | ||
| Speakers | 6 speakers | 2.0 |
| Dolby Atmos | Yes | Yes |
Related comparisons
vs
Asus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)vsAlienware m16 RTX 4080 (2023)8.99.3vs
Asus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)vsMSI Alpha 17 RTX 4060 (2023)8.98.6vs
Asus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)vsLenovo Legion Pro 7 Gen 8 AMD RTX 4080 (2023)8.99.3vs
Asus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)vsGigabyte Aorus 17X RTX 3080 Ti (2023)8.98.7vs
Asus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)vsGigabyte Aorus 17 RTX 4080 (2023)8.98.6
vsAcer Predator Helios 16 PH16-71 RTX 4080 (2023)vsAsus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)8.78.9