Asus ROG Strix SCAR 18 G834 RTX 4090 (2024) vs Gigabyte Aorus Master 18 RTX 5080 (2025)
What ROG Strix SCAR 18 G834 RTX 4090 (2024) does better (10) and where Aorus Master 18 RTX 5080 (2025) wins (19) — every spec side by side.
vs
8.2Graphics8.3
7.6Overall performance8.3
9.0Display8.8
6.4Memory & storage4.1
4.7Battery & portability6.3
3.7Features & cooling9.5
Dimensions
Size comparison
ROG Strix SCAR 18 G834 RTX 4090 (2024)Aorus Master 18 RTX 5080 (2025)
| ROG Strix SCAR 18 G834 RTX 4090 (2024) | Aorus Master 18 RTX 5080 (2025) | Difference | |
|---|---|---|---|
| Depth | 294 mm | 287 mm | +7 mm |
| Width | 399 mm | 401 mm | −2 mm |
| Thickness | 30.8 mm | 30 mm | +0.8 mm |
| Weight | 3.1 kg | 3.5 kg | −0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix SCAR 18 G834 RTX 4090 (2024) better than Aorus Master 18 RTX 5080 (2025)?
- RAM (up to)64 GB vs 32 GB2×
- SSD (up to)8,192 GB vs 2,000 GB4.1×
- Weight3.1 kg vs 3.5 kg+13%
- GPU compute (FP32)45.2 TFLOPS vs 42 TFLOPS+8%
- GPU shader cores9,728 vs 7,680+27%
- Liquid metal (CPU)Yes · Aorus Master 18 RTX 5080 (2025): No
- Response time3 ms vs 5 ms+67%
- CPU threads32 vs 24+33%
- Key travel2 mm vs 1.7 mm+18%
- Max CPU clock5.8 GHz vs 5.4 GHz+7%
Why is Aorus Master 18 RTX 5080 (2025) better than ROG Strix SCAR 18 G834 RTX 4090 (2024)?
- Battery capacity90 Wh vs 99 Wh+10%
- Geekbench 6 multi-core19,749 vs 22,441+14%
- 3DMark Steel Nomad Light25,078 vs 28,453+13%
- Advanced OptimusNo · ROG Strix SCAR 18 G834 RTX 4090 (2024): Yes
- RAM (base)16 GB vs 32 GB2×
- Max. supported RAM64 GB vs 128 GB2×
- Vapor chamber coolingNo · ROG Strix SCAR 18 G834 RTX 4090 (2024): Yes
- SD card readerNo · ROG Strix SCAR 18 G834 RTX 4090 (2024): Yes
- IR camera (face login)No · ROG Strix SCAR 18 G834 RTX 4090 (2024): Yes
- SSD (base)1,024 GB vs 2,000 GB+95%
- Cinebench 2024 multi-core1,928 vs 2,132+11%
- Brightness1,100 nits vs 1,200 nits+9%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4090 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 | GDDR6 | GDDR7 |
| GPU shader cores | 9,728 | 7,680 |
| GPU compute (FP32) | 45.2 TFLOPS | 42 TFLOPS |
| 3DMark Steel Nomad Light | 25,078 | 28,453 |
| Processor | ||
| Processor | Core i9-14900HX | Core Ultra 9 275HX |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | 32 | 24 |
| Max CPU clock | 5.8 GHz | 5.4 GHz |
| Processor options | Core i9-14900HX | Core Ultra 9 275HX |
| Geekbench 6 multi-core | 19,749 | 22,441 |
| Geekbench 6 single-core | 3,256 | 3,342 |
| Cinebench 2024 multi-core | 1,928 | 2,132 |
| 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 | Mini-LED |
| Brightness | 1,100 nits | 1,200 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 5 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 168 ppi | 168 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | Yes |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | No | 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 | 5,600 MHz |
| Max. supported RAM | 64 GB | 128 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 8,192 GB | 2,000 GB |
| SSD (base) | 1,024 GB | 2,000 GB |
| M.2 SSD slots | 2 | 3 |
| SSD interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 99 Wh |
| Power adapter | 330 W | 400 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 3.1 kg | 3.5 kg |
| Thickness | 30.8 mm | 30 mm |
| Width | 399 mm | 401 mm |
| Depth | 294 mm | 287 mm |
| Body material | Aluminium, Plastic | Plastic |
| Colours | Black | Grey |
| Cooling fans | 3 | 4 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 52 dB | 53 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | Yes |
| Ethernet | — | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | No | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
| Keyboard & camera | ||
| Keyboard backlight | — | Single-colour RGB |
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Key travel | 2 mm | 1.7 mm |
| Webcam | 720p | 1,080p |
| IR camera (face login) | No | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.2 | 2 speakers |
| Dolby Atmos | Yes | Yes |
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