Asus ROG Strix G18 G815 RTX 5070 Ti (2026) vs MSI Stealth 18 HX AI A2W RTX 5080 (2026)
What ROG Strix G18 G815 RTX 5070 Ti (2026) does better (3) and where Stealth 18 HX AI A2W RTX 5080 (2026) wins (9) — every spec side by side.
vs
8.3Display6.6
5.1Memory & storage2.8
2.3Battery & portability9.6
7.5Features & cooling9.1
Dimensions
Size comparison
ROG Strix G18 G815 RTX 5070 Ti (2026)Stealth 18 HX AI A2W RTX 5080 (2026)
| ROG Strix G18 G815 RTX 5070 Ti (2026) | Stealth 18 HX AI A2W RTX 5080 (2026) | Difference | |
|---|---|---|---|
| Depth | 294 mm | 290 mm | +4 mm |
| Width | 399 mm | 400 mm | −1 mm |
| Thickness | 32 mm | 24 mm | +8 mm |
| Weight | 3.5 kg | 2.9 kg | +0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G815 RTX 5070 Ti (2026) better than Stealth 18 HX AI A2W RTX 5080 (2026)?
- Refresh rate300 Hz vs 120 Hz2.5×
- RAM (up to)64 GB vs 32 GB2×
- SSD (up to)4,096 GB vs 2,000 GB2×
Why is Stealth 18 HX AI A2W RTX 5080 (2026) better than ROG Strix G18 G815 RTX 5070 Ti (2026)?
- Resolution classQHD (1440p/1600p) vs 4K (2160p/2400p)
- Panel typeIPS vs Mini-LED
- Battery capacity90 Wh vs 100 Wh+11%
- Weight3.5 kg vs 2.89 kg+21%
- Video memory12 GB vs 16 GB+33%
- Thickness32 mm vs 24 mm+33%
- GPU shader cores5,888 vs 7,680+30%
- RAM (base)16 GB vs 32 GB2×
- SSD (base)1,024 GB vs 2,000 GB+95%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Ti Laptop | GeForce RTX 5080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | — |
| Video memory | 12 GB | 16 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 5,888 | 7,680 |
| GPU compute (FP32) | 37.4 TFLOPS | — |
| 3DMark Steel Nomad Light | 21,387 | — |
| Processor | ||
| Processor | Core Ultra 9 290HX Plus | Core Ultra 9 290HX Plus |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | 24 | — |
| Max CPU clock | 5.5 GHz | 5.5 GHz |
| Processor options | Core Ultra 9 290HX Plus | — |
| Geekbench 6 multi-core | 23,356 | — |
| Geekbench 6 single-core | 3,484 | — |
| Cinebench 2024 multi-core | 2,626 | — |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 3840 × 2400 |
| Resolution class | QHD (1440p/1600p) | 4K (2160p/2400p) |
| Refresh rate | 300 Hz | 120 Hz |
| Panel type | IPS | Mini-LED |
| Brightness | 500 nits | — |
| sRGB coverage | 100% | — |
| Response time | 3 ms | — |
| DCI-P3 coverage | 100% | — |
| Pixel density | 168 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) | 16 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | — |
| Max. supported RAM | 64 GB | — |
| RAM slots | 2 | — |
| Upgradable RAM | Yes | — |
| SSD (up to) | 4,096 GB | 2,000 GB |
| SSD (base) | 1,024 GB | 2,000 GB |
| M.2 SSD slots | 2 | — |
| SSD interface | PCIe 4.0 x4 | — |
| Battery & power | ||
| Battery capacity | 90 Wh | 100 Wh |
| Power adapter | 380 W | 280 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | — |
| Design & cooling | ||
| Weight | 3.5 kg | 2.89 kg |
| Thickness | 32 mm | 24 mm |
| Width | 399 mm | 400 mm |
| Depth | 294 mm | 290 mm |
| Body material | Plastic | — |
| Colours | Gray, Green | Black |
| Cooling fans | 3 | — |
| Vapor chamber cooling | Yes | — |
| Liquid metal (CPU) | Yes | — |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 5 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | — |
| USB-A ports | 3 | — |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | — |
| Ethernet | — | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | 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 | — |
| Numeric keypad | Yes | — |
| Key travel | 1.7 mm | — |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | — |
| Fingerprint reader | No | — |
| Audio | ||
| Speakers | 2.0 | 6 speakers |
| Dolby Atmos | Yes | — |
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