Asus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) vs Asus ROG Zephyrus M16 GU604 RTX 4080 (2023)
What ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) does better (12) and where ROG Zephyrus M16 GU604 RTX 4080 (2023) wins (7) — every spec side by side.
vs
9.7Graphics9.1
9.4Overall performance8.6
9.3Display9.2
5.5Memory & storage7.2
3.6Battery & portability9.1
6.4Features & cooling8.4
Dimensions
Size comparison
ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)ROG Zephyrus M16 GU604 RTX 4080 (2023)
| ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) | ROG Zephyrus M16 GU604 RTX 4080 (2023) | Difference | |
|---|---|---|---|
| Depth | 266 mm | 246 mm | +20 mm |
| Width | 355 mm | 355 mm | = |
| Thickness | 30 mm | 23 mm | +7 mm |
| Weight | 2.7 kg | 2.3 kg | +0.4 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 ROG Zephyrus M16 GU604 RTX 4080 (2023)?
- Cinebench 2024 multi-core1,961 vs 7542.6×
- Brightness1,100 nits vs 500 nits2.2×
- GPU power (TGP)175 W vs 150 W+17%
- GPU compute (FP32)45.2 TFLOPS vs 33.9 TFLOPS+33%
- 3DMark Steel Nomad Light26,424 vs 21,090+25%
- Geekbench 6 multi-core19,038 vs 15,617+22%
- Video memory16 GB vs 12 GB+33%
- GPU shader cores9,728 vs 7,424+31%
- CPU cores16 vs 14+14%
- CPU threads32 vs 20+60%
- Geekbench 6 single-core3,105 vs 2,821+10%
- Fan noise (max. load)56 dB vs 57.5 dB+3%
Why is ROG Zephyrus M16 GU604 RTX 4080 (2023) better than ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)?
- RAM (up to)32 GB vs 64 GB2×
- Thunderbolt or USB4No · ROG Zephyrus Duo 16 GX650 RTX 4090 (2023): Yes
- Weight2.67 kg vs 2.3 kg+16%
- Thickness30 mm vs 23 mm+30%
- RAM (base)32 GB vs 64 GB2×
- IR camera (face login)No · ROG Zephyrus Duo 16 GX650 RTX 4090 (2023): Yes
- Cooling fans2 vs 3+50%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4090 Laptop | GeForce RTX 4080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 150 W |
| Video memory | 16 GB | 12 GB |
| Video memory type | GDDR6 | GDDR6 |
| GPU shader cores | 9,728 | 7,424 |
| GPU compute (FP32) | 45.2 TFLOPS | 33.9 TFLOPS |
| 3DMark Steel Nomad Light | 26,424 | 21,090 |
| Processor | ||
| Processor | Ryzen 9 7945HX | Core i9-13900H |
| CPU maker | AMD | Intel |
| CPU cores | 16 | 14 |
| CPU threads | 32 | 20 |
| Max CPU clock | 5.4 GHz | 5.4 GHz |
| Processor options | Ryzen 9 7945HX | Core i9-13900H |
| Geekbench 6 multi-core | 19,038 | 15,617 |
| Geekbench 6 single-core | 3,105 | 2,821 |
| Cinebench 2024 multi-core | 1,961 | 754 |
| 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 | IPS | IPS |
| Brightness | 1,100 nits | 500 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 99% | 100% |
| 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 | 64 GB |
| RAM (base) | 32 GB | 64 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 4,800 MHz | 4,800 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 2,000 GB | 2,000 GB |
| SSD (base) | 2,000 GB | 2,000 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 90 Wh |
| Power adapter | 330 W | 280 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 2.67 kg | 2.3 kg |
| Thickness | 30 mm | 23 mm |
| Width | 355 mm | 355 mm |
| Depth | 266 mm | 246 mm |
| Body material | Aluminium | Plastic |
| Colours | Black | Black |
| Cooling fans | 2 | 3 |
| Vapor chamber cooling | No | No |
| Liquid metal (CPU) | Yes | Yes |
| Fan noise (max. load) | 56 dB | 57.5 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | — | Thunderbolt 4 |
| Thunderbolt or USB4 | No | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 2 |
| 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 | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 5.2 | 5.2 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | No |
| Key travel | 1.7 mm | 1.7 mm |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | No | Yes |
| Fingerprint reader | Yes | No |
| Audio | ||
| Speakers | 6 speakers | 2 speakers |
| Dolby Atmos | Yes | Yes |
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