Asus ROG Strix Scar 18 G835 RTX 5090 (2025) vs MSI Vector A18 HX A9W RTX 5080 (2025)
What ROG Strix Scar 18 G835 RTX 5090 (2025) does better (17) and where Vector A18 HX A9W RTX 5080 (2025) wins (5) — every spec side by side.
vs
8.9Graphics8.5
9.0Overall performance6.8
9.8Display4.7
4.5Memory & storage3.4
2.7Battery & portability3.5
7.7Features & cooling5.7
Dimensions
Size comparison
ROG Strix Scar 18 G835 RTX 5090 (2025)Vector A18 HX A9W RTX 5080 (2025)
| ROG Strix Scar 18 G835 RTX 5090 (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 | 3.3 kg | 3.6 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix Scar 18 G835 RTX 5090 (2025) better than Vector A18 HX A9W RTX 5080 (2025)?
- RAM (up to)64 GB vs 32 GB2×
- SSD (up to)4,000 GB vs 1,000 GB4×
- Resolution class4K (2160p/2400p) vs QHD (1440p/1600p)
- Panel typeMini-LED vs IPS
- Refresh rate300 Hz vs 240 Hz+25%
- GPU compute (FP32)51.4 TFLOPS vs 42 TFLOPS+22%
- CPU cores24 vs 16+50%
- 3DMark Steel Nomad Light30,125 vs 26,825+12%
- Weight3.3 kg vs 3.6 kg+9%
- GPU shader cores10,496 vs 7,680+37%
- G-Sync / FreeSyncYes · Vector A18 HX A9W RTX 5080 (2025): No
- HDRYes · Vector A18 HX A9W RTX 5080 (2025): No
Why is Vector A18 HX A9W RTX 5080 (2025) better than ROG Strix Scar 18 G835 RTX 5090 (2025)?
- Battery capacity90 Wh vs 99 Wh+10%
- Video memory24 GB vs 32 GB+33%
- SD card readerNo · ROG Strix Scar 18 G835 RTX 5090 (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 5090 Laptop | GeForce RTX 5080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 24 GB | 32 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 10,496 | 7,680 |
| GPU compute (FP32) | 51.4 TFLOPS | 42 TFLOPS |
| 3DMark Steel Nomad Light | 30,125 | 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 | Core Ultra 9 275HX, Core Ultra 9 290HX Plus | Ryzen 9 9850HX, Ryzen 9 9955HX |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 3840 × 2400 | 2560 × 1600 |
| Resolution class | 4K (2160p/2400p) | QHD (1440p/1600p) |
| Refresh rate | 300 Hz | 240 Hz |
| Panel type | Mini-LED | IPS |
| Brightness | 1,200 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) | 4,000 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 | 3.3 kg | 3.6 kg |
| Thickness | 32 mm | 32 mm |
| Width | 399 mm | 404 mm |
| Depth | 298 mm | 308 mm |
| Body material | Aluminium, Plastic | Aluminium, Plastic |
| Colours | Black | Black |
| Cooling fans | 3 | 2 |
| Vapor chamber cooling | Yes | No |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 53.7 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 |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 4 speakers | 6 speakers |
| Dolby Atmos | Yes | No |
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