Asus ROG Strix Scar G16 G634 RTX 4080 (2023) vs Asus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)
What ROG Strix Scar G16 G634 RTX 4080 (2023) does better (8) and where ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) wins (2) — every spec side by side.
vs
9.2Memory & storage5.3
4.4Battery & portability3.6
9.1Features & cooling6.4
Dimensions
Size comparison
ROG Strix Scar G16 G634 RTX 4080 (2023)ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)
| ROG Strix Scar G16 G634 RTX 4080 (2023) | ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) | Difference | |
|---|---|---|---|
| Depth | 264 mm | 266 mm | −2 mm |
| Width | 354 mm | 355 mm | −1 mm |
| Thickness | 30 mm | 30 mm | = |
| Weight | 2.5 kg | 2.7 kg | −0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix Scar G16 G634 RTX 4080 (2023) better than ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)?
- RAM (up to)64 GB vs 32 GB2×
- SSD (up to)4,000 GB vs 2,000 GB2×
- Thunderbolt or USB4Yes · ROG Zephyrus Duo 16 GX650 RTX 4090 (2023): No
- CPU cores24 vs 16+50%
- Weight2.5 kg vs 2.67 kg+7%
- RAM (base)64 GB vs 32 GB2×
- SSD (base)4,000 GB vs 2,000 GB2×
- Max CPU clock5.6 GHz vs 5.4 GHz+4%
Why is ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) better than ROG Strix Scar G16 G634 RTX 4080 (2023)?
- Video memory12 GB vs 16 GB+33%
- GPU shader cores7,424 vs 9,728+31%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4080 Laptop | GeForce RTX 4090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | — | 175 W |
| Video memory | 12 GB | 16 GB |
| Video memory type | GDDR6 | GDDR6 |
| GPU shader cores | 7,424 | 9,728 |
| GPU compute (FP32) | — | 45.2 TFLOPS |
| 3DMark Steel Nomad Light | — | 26,424 |
| Processor | ||
| Processor | Core i9-13980HX | Ryzen 9 7945HX |
| CPU maker | Intel | AMD |
| CPU cores | 24 | 16 |
| CPU threads | — | 32 |
| Max CPU clock | 5.6 GHz | 5.4 GHz |
| Processor options | — | Ryzen 9 7945HX |
| Geekbench 6 multi-core | — | 19,038 |
| Geekbench 6 single-core | — | 3,105 |
| Cinebench 2024 multi-core | — | 1,961 |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2560 × 1600 | 2560 × 1600 |
| Resolution class | QHD (1440p/1600p) | QHD (1440p/1600p) |
| Refresh rate | — | 240 Hz |
| Panel type | — | IPS |
| Brightness | — | 1,100 nits |
| sRGB coverage | — | 100% |
| Response time | — | 3 ms |
| DCI-P3 coverage | — | 99% |
| Pixel density | — | 189 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | — | Yes |
| Advanced Optimus | — | No |
| MUX switch | — | Yes |
| HDR | — | Yes |
| Touchscreen | — | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 32 GB |
| RAM (base) | 64 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 4,800 MHz | 4,800 MHz |
| Max. supported RAM | — | 64 GB |
| RAM slots | — | 2 |
| Upgradable RAM | — | Yes |
| SSD (up to) | 4,000 GB | 2,000 GB |
| SSD (base) | 4,000 GB | 2,000 GB |
| M.2 SSD slots | — | 2 |
| SSD interface | — | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 90 Wh |
| Power adapter | — | 330 W |
| USB-C charging (Power Delivery) | — | Yes |
| Design & cooling | ||
| Weight | 2.5 kg | 2.67 kg |
| Thickness | 30 mm | 30 mm |
| Width | 354 mm | 355 mm |
| Depth | 264 mm | 266 mm |
| Body material | — | Aluminium |
| Colours | Black | Black |
| Cooling fans | — | 2 |
| Vapor chamber cooling | — | No |
| Liquid metal (CPU) | — | Yes |
| Fan noise (max. load) | — | 56 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | — |
| Thunderbolt or USB4 | Yes | No |
| USB-C ports | — | 2 |
| USB-A ports | — | 2 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | — | No |
| Ethernet | 5 Gbit/s | 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 |
| Numeric keypad | — | Yes |
| Key travel | — | 1.7 mm |
| Webcam | — | 1,080p |
| IR camera (face login) | — | No |
| Fingerprint reader | — | Yes |
| Audio | ||
| Speakers | 4 speakers | 6 speakers |
| Dolby Atmos | Yes | Yes |
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