Asus ROG Strix G18 G815 RTX 5080 (2025) vs MSI Vector A18 HX A9W RTX 5080 (2025)
What ROG Strix G18 G815 RTX 5080 (2025) does better (11) and where Vector A18 HX A9W RTX 5080 (2025) wins (5) — every spec side by side.
vs
7.7Graphics8.5
8.3Overall performance6.8
8.6Display4.7
4.0Memory & storage3.4
3.0Battery & portability3.5
8.3Features & cooling5.7
Dimensions
Size comparison
ROG Strix G18 G815 RTX 5080 (2025)Vector A18 HX A9W RTX 5080 (2025)
| ROG Strix G18 G815 RTX 5080 (2025) | Vector A18 HX A9W RTX 5080 (2025) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 308 mm | −10 mm |
| Width | 399 mm | 404 mm | −5 mm |
| Thickness | 32 mm | 32 mm | = |
| Weight | 3.2 kg | 3.6 kg | −0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G815 RTX 5080 (2025) better than Vector A18 HX A9W RTX 5080 (2025)?
- RAM (up to)64 GB vs 32 GB2×
- Panel typeMini-LED vs IPS
- CPU cores24 vs 16+50%
- Weight3.2 kg vs 3.6 kg+12%
- G-Sync / FreeSyncYes · Vector A18 HX A9W RTX 5080 (2025): No
- HDRYes · Vector A18 HX A9W RTX 5080 (2025): No
- Vapor chamber coolingYes · Vector A18 HX A9W RTX 5080 (2025): No
- Liquid metal (CPU)Yes · Vector A18 HX A9W RTX 5080 (2025): No
- Dolby AtmosYes · Vector A18 HX A9W RTX 5080 (2025): No
- Cooling fans3 vs 2+50%
- Pixel density168 ppi vs 126 ppi+33%
Why is Vector A18 HX A9W RTX 5080 (2025) better than ROG Strix G18 G815 RTX 5080 (2025)?
- Video memory16 GB vs 32 GB2×
- Battery capacity90 Wh vs 99 Wh+10%
- SD card readerNo · ROG Strix G18 G815 RTX 5080 (2025): Yes
- Max. supported RAM64 GB vs 96 GB+50%
- USB-C charging power100 W vs 140 W+40%
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 | 32 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 | 26,825 |
| Processor | ||
| Processor | Core Ultra 9 290HX Plus | Ryzen 9 9955HX |
| CPU maker | Intel | AMD |
| CPU cores | 24 | 16 |
| Max CPU clock | 5.5 GHz | 5.4 GHz |
| Processor options | Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX | Ryzen 9 9850HX, Ryzen 9 9955HX |
| 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 | 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 | 32 GB |
| RAM (base) | 32 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 5,600 MHz |
| Max. supported RAM | 64 GB | 96 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 1,000 GB | 1,000 GB |
| SSD (base) | 1,000 GB | 1,000 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 99 Wh |
| Power adapter | 380 W | 400 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | 140 W |
| Design & cooling | ||
| Weight | 3.2 kg | 3.6 kg |
| Thickness | 32 mm | 32 mm |
| Width | 399 mm | 404 mm |
| Depth | 298 mm | 308 mm |
| Body material | Plastic | Aluminium, Plastic |
| Colours | Green | Black |
| Cooling fans | 3 | 2 |
| Vapor chamber cooling | Yes | No |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 49.7 dB | — |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 5 | Thunderbolt 4 |
| 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 | 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 | No |
| Audio | ||
| Speakers | 2.0 | 6 speakers |
| Dolby Atmos | Yes | No |
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