Asus ROG Strix Scar 18 G835 RTX 5090 (2025) vs MSI Stealth 18 Mercedes-AMG A1V RTX 4080 (2024)
What ROG Strix Scar 18 G835 RTX 5090 (2025) does better (7) and where Stealth 18 Mercedes-AMG A1V RTX 4080 (2024) wins (5) — every spec side by side.
vs
9.8Display6.6
4.5Memory & storage2.8
2.7Battery & portability9.3
7.7Features & cooling9.2
Dimensions
Size comparison
ROG Strix Scar 18 G835 RTX 5090 (2025)Stealth 18 Mercedes-AMG A1V RTX 4080 (2024)
| ROG Strix Scar 18 G835 RTX 5090 (2025) | Stealth 18 Mercedes-AMG A1V RTX 4080 (2024) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 290 mm | +8 mm |
| Width | 399 mm | 400 mm | −1 mm |
| Thickness | 32 mm | 24 mm | +8 mm |
| Weight | 3.3 kg | 2.9 kg | +0.4 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 Stealth 18 Mercedes-AMG A1V RTX 4080 (2024)?
- Refresh rate300 Hz vs 120 Hz2.5×
- RAM (up to)64 GB vs 32 GB2×
- Video memory24 GB vs 12 GB2×
- SSD (up to)4,000 GB vs 2,000 GB2×
- CPU cores24 vs 16+50%
- GPU shader cores10,496 vs 7,424+41%
- Max CPU clock5.5 GHz vs 5.1 GHz+8%
Why is Stealth 18 Mercedes-AMG A1V RTX 4080 (2024) better than ROG Strix Scar 18 G835 RTX 5090 (2025)?
- Battery capacity90 Wh vs 99 Wh+10%
- Weight3.3 kg vs 2.89 kg+14%
- Thickness32 mm vs 24 mm+33%
- SSD (base)1,000 GB vs 2,000 GB2×
- SD card readerNo · ROG Strix Scar 18 G835 RTX 5090 (2025): Yes
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 4080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | — |
| Video memory | 24 GB | 12 GB |
| Video memory type | GDDR7 | GDDR6 |
| GPU shader cores | 10,496 | 7,424 |
| GPU compute (FP32) | 51.4 TFLOPS | — |
| 3DMark Steel Nomad Light | 30,125 | — |
| Processor | ||
| Processor | Core Ultra 9 290HX Plus | Core Ultra 9 185H |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 16 |
| Max CPU clock | 5.5 GHz | 5.1 GHz |
| Processor options | Core Ultra 9 275HX, Core Ultra 9 290HX Plus | — |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 3840 × 2400 | 3840 × 2400 |
| Resolution class | 4K (2160p/2400p) | 4K (2160p/2400p) |
| Refresh rate | 300 Hz | 120 Hz |
| Panel type | Mini-LED | Mini-LED |
| Brightness | 1,200 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) | 32 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) | 4,000 GB | 2,000 GB |
| SSD (base) | 1,000 GB | 2,000 GB |
| M.2 SSD slots | 2 | — |
| SSD interface | PCIe 4.0 x4 | — |
| Battery & power | ||
| Battery capacity | 90 Wh | 99 Wh |
| Power adapter | 380 W | 280 W |
| USB-C charging (Power Delivery) | Yes | — |
| USB-C charging power | 100 W | — |
| Design & cooling | ||
| Weight | 3.3 kg | 2.89 kg |
| Thickness | 32 mm | 24 mm |
| Width | 399 mm | 400 mm |
| Depth | 298 mm | 290 mm |
| Body material | Aluminium, Plastic | — |
| Colours | Black | Silver |
| Cooling fans | 3 | — |
| Vapor chamber cooling | Yes | — |
| Liquid metal (CPU) | Yes | — |
| Fan noise (max. load) | 53.7 dB | — |
| 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 | 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 | — |
| Numeric keypad | Yes | — |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | — |
| Fingerprint reader | No | — |
| Audio | ||
| Speakers | 4 speakers | 6 speakers |
| Dolby Atmos | Yes | — |
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