Asus ROG Strix G18 G815 RTX 5080 (2025) vs Asus ROG Strix SCAR 18 G835 RTX 5070 Ti (2025)
What ROG Strix G18 G815 RTX 5080 (2025) does better (7) and where ROG Strix SCAR 18 G835 RTX 5070 Ti (2025) wins (3) — every spec side by side.
vs
7.7Graphics5.9
8.3Overall performance7.1
8.6Display9.2
4.0Memory & storage6.4
3.0Battery & portability2.4
8.3Features & cooling7.6
Dimensions
Size comparison
ROG Strix G18 G815 RTX 5080 (2025)ROG Strix SCAR 18 G835 RTX 5070 Ti (2025)
| ROG Strix G18 G815 RTX 5080 (2025) | ROG Strix SCAR 18 G835 RTX 5070 Ti (2025) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 298 mm | = |
| Width | 399 mm | 399 mm | = |
| Thickness | 32 mm | 32 mm | = |
| Weight | 3.2 kg | 3.5 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G815 RTX 5080 (2025) better than ROG Strix SCAR 18 G835 RTX 5070 Ti (2025)?
- 3DMark Steel Nomad Light27,302 vs 21,309+28%
- GPU compute (FP32)42 TFLOPS vs 37.4 TFLOPS+12%
- Weight3.2 kg vs 3.48 kg+9%
- Video memory16 GB vs 12 GB+33%
- GPU shader cores7,680 vs 5,888+30%
- RAM (base)32 GB vs 16 GB2×
- Fan noise (max. load)49.7 dB vs 53.7 dB+8%
Why is ROG Strix SCAR 18 G835 RTX 5070 Ti (2025) better than ROG Strix G18 G815 RTX 5080 (2025)?
- SSD (up to)1,000 GB vs 8,192 GB8.2×
- Brightness500 nits vs 1,200 nits2.4×
- SSD (base)1,000 GB vs 1,024 GB+2%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5080 Laptop | GeForce RTX 5070 Ti Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 16 GB | 12 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 7,680 | 5,888 |
| GPU compute (FP32) | 42 TFLOPS | 37.4 TFLOPS |
| 3DMark Steel Nomad Light | 27,302 | 21,309 |
| Processor | ||
| Processor | Core Ultra 9 290HX Plus | Core Ultra 9 275HX |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | — | 24 |
| Max CPU clock | 5.5 GHz | 5.4 GHz |
| Processor options | Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX | Core Ultra 9 275HX |
| Geekbench 6 multi-core | — | 22,256 |
| Geekbench 6 single-core | — | 3,276 |
| Cinebench 2024 multi-core | — | 2,116 |
| Display | ||
| Screen size | 18″ | 18″ |
| 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 | 500 nits | 1,200 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 168 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 | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 32 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) | 1,000 GB | 8,192 GB |
| SSD (base) | 1,000 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 | 380 W | 380 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | 100 W |
| Design & cooling | ||
| Weight | 3.2 kg | 3.48 kg |
| Thickness | 32 mm | 32 mm |
| Width | 399 mm | 399 mm |
| Depth | 298 mm | 298 mm |
| Body material | Plastic | Aluminium, Plastic |
| Colours | Green | Black |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | Yes |
| Fan noise (max. load) | 49.7 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 | — |
| 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 | Yes | Yes |
| Key travel | 1.7 mm | — |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.0 | 2.2 |
| Dolby Atmos | Yes | Yes |
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