vs
9.6Graphics6.1
9.1Overall performance7.2
6.8Display9.4
5.1Memory & storage6.4
2.5Battery & portability7.8
8.1Features & cooling7.1
Dimensions
Size comparison
ROG Strix G18 G815 RTX 5090 (2025)Blade 18 RTX 5070 Ti (2025)
| ROG Strix G18 G815 RTX 5090 (2025) | Blade 18 RTX 5070 Ti (2025) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 275.4 mm | +22.6 mm |
| Width | 399 mm | 400 mm | −1 mm |
| Thickness | 32 mm | 27.9 mm | +4.1 mm |
| Weight | 3.4 kg | 3.1 kg | +0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G815 RTX 5090 (2025) better than Blade 18 RTX 5070 Ti (2025)?
- 3DMark Steel Nomad Light32,766 vs 21,942+49%
- Video memory24 GB vs 12 GB2×
- GPU compute (FP32)51.4 TFLOPS vs 37.4 TFLOPS+37%
- GPU shader cores10,496 vs 5,888+78%
- Liquid metal (CPU)Yes · Blade 18 RTX 5070 Ti (2025): No
- Dolby AtmosYes · Blade 18 RTX 5070 Ti (2025): No
- Fan noise (max. load)49.7 dB vs 66.3 dB+33%
- Key travel1.7 mm vs 1.5 mm+13%
- Geekbench 6 single-core3,357 vs 3,281+2%
Why is Blade 18 RTX 5070 Ti (2025) better than ROG Strix G18 G815 RTX 5090 (2025)?
- Panel typeIPS vs Mini-LED
- SSD (up to)4,096 GB vs 8,192 GB2×
- Refresh rate240 Hz vs 300 Hz+25%
- Weight3.42 kg vs 3.1 kg+10%
- RAM (base)16 GB vs 32 GB2×
- SD card readerNo · ROG Strix G18 G815 RTX 5090 (2025): Yes
- Thickness32 mm vs 27.9 mm+15%
- Webcam1,080p vs 1,440p+33%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 5070 Ti Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 24 GB | 12 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 10,496 | 5,888 |
| GPU compute (FP32) | 51.4 TFLOPS | 37.4 TFLOPS |
| 3DMark Steel Nomad Light | 32,766 | 21,942 |
| Processor | ||
| Processor | Core Ultra 9 275HX | Core Ultra 9 275HX |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | 24 | 24 |
| Max CPU clock | 5.4 GHz | 5.4 GHz |
| Processor options | Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX | Core Ultra 9 275HX |
| Geekbench 6 multi-core | 22,783 | 22,639 |
| Geekbench 6 single-core | 3,357 | 3,281 |
| Cinebench 2024 multi-core | 2,141 | 2,115 |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 2560 × 1600 |
| Resolution class | QHD (1440p/1600p) | QHD (1440p/1600p) |
| Refresh rate | 240 Hz | 300 Hz |
| Panel type | IPS | Mini-LED |
| Brightness | 500 nits | 500 nits |
| sRGB coverage | 100% | — |
| Response time | 3 ms | — |
| DCI-P3 coverage | 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 | — |
| 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) | 4,096 GB | 8,192 GB |
| SSD (base) | 1,024 GB | 1,024 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 92 Wh |
| Power adapter | 380 W | 330 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | 100 W |
| Design & cooling | ||
| Weight | 3.42 kg | 3.1 kg |
| Thickness | 32 mm | 27.9 mm |
| Width | 399 mm | 400 mm |
| Depth | 298 mm | 275.4 mm |
| Body material | Plastic | Aluminium |
| Colours | Black | Black |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 49.7 dB | 66.3 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 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 | 1.7 mm | 1.5 mm |
| Webcam | 1,080p | 1,440p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.0 | 4.2 |
| Dolby Atmos | Yes | No |
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