Asus ROG Strix SCAR 16 G634 RTX 4090 (2024) vs Asus ROG Strix SCAR 16 G635 RTX 5080 (2025)
What ROG Strix SCAR 16 G634 RTX 4090 (2024) does better (8) and where ROG Strix SCAR 16 G635 RTX 5080 (2025) wins (6) — every spec side by side.
vs
9.6Graphics9.4
9.7Overall performance9.4
9.6Display9.6
9.2Memory & storage9.2
3.8Battery & portability3.0
7.5Features & cooling9.5
Dimensions
Size comparison
ROG Strix SCAR 16 G634 RTX 4090 (2024)ROG Strix SCAR 16 G635 RTX 5080 (2025)
| ROG Strix SCAR 16 G634 RTX 4090 (2024) | ROG Strix SCAR 16 G635 RTX 5080 (2025) | Difference | |
|---|---|---|---|
| Depth | 264 mm | 268 mm | −4 mm |
| Width | 354 mm | 354 mm | = |
| Thickness | 30.4 mm | 30.8 mm | −0.4 mm |
| Weight | 2.6 kg | 2.8 kg | −0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix SCAR 16 G634 RTX 4090 (2024) better than ROG Strix SCAR 16 G635 RTX 5080 (2025)?
- GPU compute (FP32)45.2 TFLOPS vs 42 TFLOPS+8%
- Weight2.65 kg vs 2.85 kg+8%
- GPU shader cores9,728 vs 7,680+27%
- Liquid metal (CPU)Yes · ROG Strix SCAR 16 G635 RTX 5080 (2025): No
- CPU cores24 vs 20+20%
- CPU threads32 vs 20+60%
- Key travel2 mm vs 1.7 mm+18%
- Max CPU clock5.8 GHz vs 5.2 GHz+12%
Why is ROG Strix SCAR 16 G635 RTX 5080 (2025) better than ROG Strix SCAR 16 G634 RTX 4090 (2024)?
- Vapor chamber coolingNo · ROG Strix SCAR 16 G634 RTX 4090 (2024): Yes
- IR camera (face login)No · ROG Strix SCAR 16 G634 RTX 4090 (2024): Yes
- Brightness1,100 nits vs 1,200 nits+9%
- Wi-Fi standardWi-Fi 6E vs Wi-Fi 7+8%
- USB-A ports2 vs 3+50%
- Webcam720p vs 1,080p+50%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4090 Laptop | GeForce RTX 5080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 16 GB | 16 GB |
| Video memory type | GDDR6 | GDDR7 |
| GPU shader cores | 9,728 | 7,680 |
| GPU compute (FP32) | 45.2 TFLOPS | 42 TFLOPS |
| 3DMark Steel Nomad Light | 24,991 | 24,982 |
| Processor | ||
| Processor | Core i9-14900HX | Core Ultra 7 255HX |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 20 |
| CPU threads | 32 | 20 |
| Max CPU clock | 5.8 GHz | 5.2 GHz |
| Processor options | Core i9-14900HX | Core Ultra 7 255HX, Core Ultra 9 275HX |
| Geekbench 6 multi-core | 19,278 | 19,340 |
| Geekbench 6 single-core | 3,167 | 3,109 |
| Cinebench 2024 multi-core | 1,896 | 1,876 |
| 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 | Mini-LED |
| Brightness | 1,100 nits | 1,200 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 100% | 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) | 64 GB | 64 GB |
| RAM (base) | 16 GB | 16 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 5,600 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 8,192 GB | 8,192 GB |
| SSD (base) | 1,024 GB | 1,024 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 | 380 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | — | 100 W |
| Design & cooling | ||
| Weight | 2.65 kg | 2.85 kg |
| Thickness | 30.4 mm | 30.8 mm |
| Width | 354 mm | 354 mm |
| Depth | 264 mm | 268 mm |
| Body material | Aluminium, Plastic | Aluminium, Plastic |
| Colours | Black | Black |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 58 dB | 57.2 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 5 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet port | Yes | Yes |
| SD card reader | No | No |
| 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 | No | No |
| Key travel | 2 mm | 1.7 mm |
| Webcam | 720p | 1,080p |
| IR camera (face login) | No | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.2 | 2.2 |
| Dolby Atmos | Yes | Yes |
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