Asus ROG Strix Scar 16 G635 RTX 5090 (2025) vs Asus ROG Strix Scar 18 G835 RTX 5090 (2025)
What ROG Strix Scar 16 G635 RTX 5090 (2025) does better (3) and where ROG Strix Scar 18 G835 RTX 5090 (2025) wins (7) — every spec side by side.
vs
9.7Graphics8.9
9.7Overall performance9.0
9.6Display9.8
6.6Memory & storage4.5
3.1Battery & portability2.7
9.7Features & cooling7.7
Dimensions
Size comparison
ROG Strix Scar 16 G635 RTX 5090 (2025)ROG Strix Scar 18 G835 RTX 5090 (2025)
| ROG Strix Scar 16 G635 RTX 5090 (2025) | ROG Strix Scar 18 G835 RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 268 mm | 298 mm | −30 mm |
| Width | 354 mm | 399 mm | −45 mm |
| Thickness | 31 mm | 32 mm | −1 mm |
| Weight | 2.8 kg | 3.3 kg | −0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix Scar 16 G635 RTX 5090 (2025) better than ROG Strix Scar 18 G835 RTX 5090 (2025)?
- Weight2.8 kg vs 3.3 kg+18%
- Thickness31 mm vs 32 mm+3%
- Pixel density189 ppi vs 168 ppi+12%
Why is ROG Strix Scar 18 G835 RTX 5090 (2025) better than ROG Strix Scar 16 G635 RTX 5090 (2025)?
- SSD (up to)1,000 GB vs 4,000 GB4×
- Resolution classQHD (1440p/1600p) vs 4K (2160p/2400p)
- Refresh rate240 Hz vs 300 Hz+25%
- 3DMark Steel Nomad Light29,079 vs 30,125+4%
- Liquid metal (CPU)No · ROG Strix Scar 16 G635 RTX 5090 (2025): Yes
- Screen size16″ vs 18″+12%
- Fan noise (max. load)57.2 dB vs 53.7 dB+7%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 24 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 10,496 | 10,496 |
| GPU compute (FP32) | 51.4 TFLOPS | 51.4 TFLOPS |
| 3DMark Steel Nomad Light | 29,079 | 30,125 |
| Processor | ||
| Processor | Core Ultra 9 275HX | Core Ultra 9 290HX Plus |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| Max CPU clock | 5.4 GHz | 5.5 GHz |
| Processor options | Core Ultra 7 255HX, Core Ultra 9 275HX | Core Ultra 9 275HX, Core Ultra 9 290HX Plus |
| Display | ||
| Screen size | 16″ | 18″ |
| Resolution | 2560 × 1600 | 3840 × 2400 |
| Resolution class | QHD (1440p/1600p) | 4K (2160p/2400p) |
| Refresh rate | 240 Hz | 300 Hz |
| Panel type | Mini-LED | Mini-LED |
| Brightness | 1,200 nits | 1,200 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 189 ppi | 168 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | Yes | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 32 GB | 32 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) | 1,000 GB | 4,000 GB |
| SSD (base) | 1,000 GB | 1,000 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 | 380 W | 380 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | 100 W |
| Design & cooling | ||
| Weight | 2.8 kg | 3.3 kg |
| Thickness | 31 mm | 32 mm |
| Width | 354 mm | 399 mm |
| Depth | 268 mm | 298 mm |
| Body material | Aluminium, Plastic | Aluminium, Plastic |
| Colours | Black | Black |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | No | Yes |
| Fan noise (max. load) | 57.2 dB | 53.7 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 5 | Thunderbolt 5 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 3 | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet | 5 Gbit/s | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | No | No |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | Yes |
| Key travel | 1.7 mm | — |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 4 speakers | 4 speakers |
| Dolby Atmos | Yes | Yes |
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