vs
7.6Graphics9.0
8.2Overall performance8.8
8.5Display8.9
4.2Memory & storage3.9
2.7Battery & portability8.1
7.7Features & cooling8.5
Dimensions
Size comparison
ROG Strix Scar 18 G835 RTX 5080 (2025)Blade 18 RTX 5090 (2026)
| ROG Strix Scar 18 G835 RTX 5080 (2025) | Blade 18 RTX 5090 (2026) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 275 mm | +23 mm |
| Width | 399 mm | 400 mm | −1 mm |
| Thickness | 32 mm | 29 mm | +3 mm |
| Weight | 3.3 kg | 3.2 kg | +0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix Scar 18 G835 RTX 5080 (2025) better than Blade 18 RTX 5090 (2026)?
- RAM (up to)64 GB vs 32 GB2×
- Brightness1,200 nits vs 600 nits2×
- RAM (base)64 GB vs 32 GB2×
- Liquid metal (CPU)Yes · Blade 18 RTX 5090 (2026): No
- Dolby AtmosYes · Blade 18 RTX 5090 (2026): No
- Fan noise (max. load)53.7 dB vs 55.9 dB+4%
Why is Blade 18 RTX 5090 (2026) better than ROG Strix Scar 18 G835 RTX 5080 (2025)?
- Resolution classQHD (1440p/1600p) vs 4K (2160p/2400p)
- Battery capacity90 Wh vs 99 Wh+10%
- GPU compute (FP32)42 TFLOPS vs 51.4 TFLOPS+22%
- Video memory16 GB vs 24 GB+50%
- 3DMark Steel Nomad Light27,180 vs 30,762+13%
- GPU shader cores7,680 vs 10,496+37%
- Weight3.3 kg vs 3.2 kg+3%
- Max. supported RAM64 GB vs 128 GB2×
- SD card readerNo · ROG Strix Scar 18 G835 RTX 5080 (2025): Yes
- Thickness32 mm vs 29 mm+10%
- Pixel density168 ppi vs 252 ppi+50%
- Webcam1,080p vs 1,440p+33%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5080 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 16 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 7,680 | 10,496 |
| GPU compute (FP32) | 42 TFLOPS | 51.4 TFLOPS |
| 3DMark Steel Nomad Light | 27,180 | 30,762 |
| Processor | ||
| Processor | Core Ultra 9 275HX | Core Ultra 9 290HX Plus |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | 24 | — |
| Max CPU clock | 5.4 GHz | 5.5 GHz |
| Processor options | Core Ultra 9 275HX | Core Ultra 9 275HX, Core Ultra 9 290HX Plus |
| Geekbench 6 multi-core | 22,256 | — |
| Geekbench 6 single-core | 3,276 | — |
| Cinebench 2024 multi-core | 2,116 | — |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 3840 × 2400 |
| Resolution class | QHD (1440p/1600p) | 4K (2160p/2400p) |
| Refresh rate | 240 Hz | 240 Hz |
| Panel type | IPS | IPS |
| Brightness | 1,200 nits | 600 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 168 ppi | 252 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 | 32 GB |
| RAM (base) | 64 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 6,400 MHz |
| Max. supported RAM | 64 GB | 128 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 2,000 GB | 2,000 GB |
| SSD (base) | 2,000 GB | 2,000 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 | 100 W |
| Design & cooling | ||
| Weight | 3.3 kg | 3.2 kg |
| Thickness | 32 mm | 29 mm |
| Width | 399 mm | 400 mm |
| Depth | 298 mm | 275 mm |
| Body material | Aluminium, Plastic | Aluminium |
| Colours | Black | Black |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 53.7 dB | 55.9 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 5 | Thunderbolt 5 |
| 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 | — | 1.5 mm |
| Webcam | 1,080p | 1,440p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 4 speakers | 6 speakers |
| Dolby Atmos | Yes | No |
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