Asus ROG Strix G18 G815 RTX 5080 (2025) vs MSI Stealth 18 HX AI A2XW RTX 5080 (2025)
What ROG Strix G18 G815 RTX 5080 (2025) does better (11) and where Stealth 18 HX AI A2XW RTX 5080 (2025) wins (11) — every spec side by side.
vs
7.7Graphics7.2
8.3Overall performance8.0
8.6Display3.6
4.0Memory & storage4.6
3.0Battery & portability9.6
8.3Features & cooling5.8
Dimensions
Size comparison
ROG Strix G18 G815 RTX 5080 (2025)Stealth 18 HX AI A2XW RTX 5080 (2025)
| ROG Strix G18 G815 RTX 5080 (2025) | Stealth 18 HX AI A2XW RTX 5080 (2025) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 290 mm | +8 mm |
| Width | 399 mm | 400 mm | −1 mm |
| Thickness | 32 mm | 24 mm | +8 mm |
| Weight | 3.2 kg | 2.9 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 Stealth 18 HX AI A2XW RTX 5080 (2025)?
- Refresh rate240 Hz vs 144 Hz+67%
- Panel typeMini-LED vs IPS
- 3DMark Steel Nomad Light27,302 vs 26,447+3%
- G-Sync / FreeSyncYes · Stealth 18 HX AI A2XW RTX 5080 (2025): No
- HDRYes · Stealth 18 HX AI A2XW RTX 5080 (2025): No
- Liquid metal (CPU)Yes · Stealth 18 HX AI A2XW RTX 5080 (2025): No
- Dolby AtmosYes · Stealth 18 HX AI A2XW RTX 5080 (2025): No
- Cooling fans3 vs 2+50%
- USB-A ports3 vs 2+50%
- Pixel density168 ppi vs 126 ppi+33%
- Fan noise (max. load)49.7 dB vs 63 dB+27%
Why is Stealth 18 HX AI A2XW RTX 5080 (2025) better than ROG Strix G18 G815 RTX 5080 (2025)?
- Resolution classQHD (1440p/1600p) vs 4K (2160p/2400p)
- SSD (up to)1,000 GB vs 2,000 GB2×
- Battery capacity90 Wh vs 100 Wh+11%
- Weight3.2 kg vs 2.89 kg+11%
- Thickness32 mm vs 24 mm+33%
- RAM (base)32 GB vs 64 GB2×
- Max. supported RAM64 GB vs 128 GB2×
- SSD (base)1,000 GB vs 2,000 GB2×
- SD card readerNo · ROG Strix G18 G815 RTX 5080 (2025): Yes
- USB-C charging power100 W vs 140 W+40%
- RAM speed5,600 MHz vs 6,400 MHz+14%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5080 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 | GDDR7 | GDDR7 |
| GPU shader cores | 7,680 | 7,680 |
| GPU compute (FP32) | 42 TFLOPS | 42 TFLOPS |
| 3DMark Steel Nomad Light | 27,302 | 26,447 |
| Processor | ||
| Processor | Core Ultra 9 290HX Plus | Core Ultra 9 275HX |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| Max CPU clock | 5.5 GHz | 5.4 GHz |
| Processor options | Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX | Core Ultra 7 255HX, Core Ultra 7 265HX, Core Ultra 9 275HX, Core Ultra 9 290HX Plus |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 3840 × 2400 |
| Resolution class | QHD (1440p/1600p) | 4K (2160p/2400p) |
| Refresh rate | 240 Hz | 144 Hz |
| Panel type | Mini-LED | IPS |
| Brightness | 500 nits | — |
| sRGB coverage | 100% | — |
| Response time | 3 ms | — |
| DCI-P3 coverage | 100% | — |
| Pixel density | 168 ppi | 126 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | No |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | No |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 32 GB | 64 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 6,400 MHz |
| Max. supported RAM | 64 GB | 128 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 1,000 GB | 2,000 GB |
| SSD (base) | 1,000 GB | 2,000 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | 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 | 140 W |
| Design & cooling | ||
| Weight | 3.2 kg | 2.89 kg |
| Thickness | 32 mm | 24 mm |
| Width | 399 mm | 400 mm |
| Depth | 298 mm | 290 mm |
| Body material | Plastic | Aluminium |
| Colours | Green | Black |
| Cooling fans | 3 | 2 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 49.7 dB | 63 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 5 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 3 | 2 |
| 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 | Yes |
| 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 | Yes |
| Audio | ||
| Speakers | 2.0 | 6 speakers |
| Dolby Atmos | Yes | No |
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