Asus ROG Strix SCAR 18 G834 RTX 4080 (2024) vs Asus ROG Strix Scar 18 G835 RTX 5090 (2025)
What ROG Strix SCAR 18 G834 RTX 4080 (2024) does better (6) and where ROG Strix Scar 18 G835 RTX 5090 (2025) wins (13) — every spec side by side.
vs
6.4Graphics8.9
6.6Overall performance9.0
9.0Display9.8
6.4Memory & storage4.5
4.7Battery & portability2.7
3.7Features & cooling7.7
Dimensions
Size comparison
ROG Strix SCAR 18 G834 RTX 4080 (2024)ROG Strix Scar 18 G835 RTX 5090 (2025)
| ROG Strix SCAR 18 G834 RTX 4080 (2024) | ROG Strix Scar 18 G835 RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 294 mm | 298 mm | −4 mm |
| Width | 399 mm | 399 mm | = |
| Thickness | 30.8 mm | 32 mm | −1.2 mm |
| Weight | 3.1 kg | 3.3 kg | −0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix SCAR 18 G834 RTX 4080 (2024) better than ROG Strix Scar 18 G835 RTX 5090 (2025)?
- SSD (up to)8,192 GB vs 4,000 GB2×
- Weight3.1 kg vs 3.3 kg+6%
- Thickness30.8 mm vs 32 mm+4%
- Max CPU clock5.8 GHz vs 5.5 GHz+5%
- Fan noise (max. load)52 dB vs 53.7 dB+3%
- SSD (base)1,024 GB vs 1,000 GB+2%
Why is ROG Strix Scar 18 G835 RTX 5090 (2025) better than ROG Strix SCAR 18 G834 RTX 4080 (2024)?
- Video memory12 GB vs 24 GB2×
- Resolution classQHD (1440p/1600p) vs 4K (2160p/2400p)
- GPU compute (FP32)37.6 TFLOPS vs 51.4 TFLOPS+37%
- 3DMark Steel Nomad Light22,195 vs 30,125+36%
- Refresh rate240 Hz vs 300 Hz+25%
- GPU shader cores7,424 vs 10,496+41%
- RAM (base)16 GB vs 32 GB2×
- Vapor chamber coolingNo · ROG Strix SCAR 18 G834 RTX 4080 (2024): Yes
- IR camera (face login)No · ROG Strix SCAR 18 G834 RTX 4080 (2024): Yes
- Brightness1,100 nits vs 1,200 nits+9%
- Wi-Fi standardWi-Fi 6E vs Wi-Fi 7+8%
- USB-A ports2 vs 3+50%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4080 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 12 GB | 24 GB |
| Video memory type | GDDR6 | GDDR7 |
| GPU shader cores | 7,424 | 10,496 |
| GPU compute (FP32) | 37.6 TFLOPS | 51.4 TFLOPS |
| 3DMark Steel Nomad Light | 22,195 | 30,125 |
| Processor | ||
| Processor | Core i9-14900HX | Core Ultra 9 290HX Plus |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | 32 | — |
| Max CPU clock | 5.8 GHz | 5.5 GHz |
| Processor options | Core i9-14900HX | Core Ultra 9 275HX, Core Ultra 9 290HX Plus |
| Geekbench 6 multi-core | 19,749 | — |
| Geekbench 6 single-core | 3,256 | — |
| Cinebench 2024 multi-core | 1,928 | — |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 3840 × 2400 |
| Resolution class | QHD (1440p/1600p) | 4K (2160p/2400p) |
| Refresh rate | 240 Hz | 300 Hz |
| Panel type | Mini-LED | Mini-LED |
| Brightness | 1,100 nits | 1,200 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 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 | No |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 16 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 5,600 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 8,192 GB | 4,000 GB |
| SSD (base) | 1,024 GB | 1,000 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 90 Wh |
| Power adapter | 330 W | 380 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | — | 100 W |
| Design & cooling | ||
| Weight | 3.1 kg | 3.3 kg |
| Thickness | 30.8 mm | 32 mm |
| Width | 399 mm | 399 mm |
| Depth | 294 mm | 298 mm |
| Body material | Aluminium, Plastic | Aluminium, Plastic |
| Colours | Black | Black |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | Yes | Yes |
| Fan noise (max. load) | 52 dB | 53.7 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 5 |
| 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 | No |
| Ethernet | — | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | No | No |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Key travel | 2 mm | — |
| Webcam | 720p | 1,080p |
| IR camera (face login) | No | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.2 | 4 speakers |
| Dolby Atmos | Yes | Yes |
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