vs
9.6Graphics9.3
9.1Overall performance6.1
6.8Display2.3
5.1Memory & storage7.1
2.5Battery & portability9.6
8.1Features & cooling6.4
Dimensions
Size comparison
ROG Strix G18 G815 RTX 5090 (2025)Stealth A18 AI+ RTX 5090 (2025)
| ROG Strix G18 G815 RTX 5090 (2025) | Stealth A18 AI+ RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 289.7 mm | +8.3 mm |
| Width | 399 mm | 400 mm | −1 mm |
| Thickness | 32 mm | 24 mm | +8 mm |
| Weight | 3.4 kg | 2.9 kg | +0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G815 RTX 5090 (2025) better than Stealth A18 AI+ RTX 5090 (2025)?
- CPU cores24 vs 102.4×
- Refresh rate240 Hz vs 144 Hz+67%
- Geekbench 6 multi-core22,783 vs 15,307+49%
- Resolution classQHD (1440p/1600p) vs Full HD (1080p/1200p)
- Cinebench 2024 multi-core2,141 vs 1,179+82%
- 3DMark Steel Nomad Light32,766 vs 31,095+5%
- G-Sync / FreeSyncYes · Stealth A18 AI+ RTX 5090 (2025): No
- HDRYes · Stealth A18 AI+ RTX 5090 (2025): No
- Liquid metal (CPU)Yes · Stealth A18 AI+ RTX 5090 (2025): No
- Dolby AtmosYes · Stealth A18 AI+ RTX 5090 (2025): No
- Cooling fans3 vs 2+50%
- USB-A ports3 vs 2+50%
Why is Stealth A18 AI+ RTX 5090 (2025) better than ROG Strix G18 G815 RTX 5090 (2025)?
- RAM (up to)64 GB vs 96 GB+50%
- Battery capacity90 Wh vs 100 Wh+11%
- Weight3.42 kg vs 2.89 kg+18%
- Thickness32 mm vs 24 mm+33%
- RAM (base)16 GB vs 32 GB2×
- SD card readerNo · ROG Strix G18 G815 RTX 5090 (2025): Yes
- Max. supported RAM64 GB vs 96 GB+50%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 24 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 10,496 | 10,496 |
| GPU compute (FP32) | 51.4 TFLOPS | 51.4 TFLOPS |
| 3DMark Steel Nomad Light | 32,766 | 31,095 |
| Processor | ||
| Processor | Core Ultra 9 275HX | Ryzen AI 9 365 |
| CPU maker | Intel | AMD |
| CPU cores | 24 | 10 |
| CPU threads | 24 | 20 |
| Max CPU clock | 5.4 GHz | 5 GHz |
| Processor options | Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX | Ryzen AI 9 HX 370, Ryzen AI 9 365 |
| Geekbench 6 multi-core | 22,783 | 15,307 |
| Geekbench 6 single-core | 3,357 | 3,203 |
| Cinebench 2024 multi-core | 2,141 | 1,179 |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 1920 × 1200 |
| Resolution class | QHD (1440p/1600p) | Full HD (1080p/1200p) |
| Refresh rate | 240 Hz | 144 Hz |
| Panel type | IPS | IPS |
| Brightness | 500 nits | — |
| sRGB coverage | 100% | — |
| Response time | 3 ms | — |
| DCI-P3 coverage | 100% | — |
| Pixel density | 168 ppi | 126 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | No |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | No |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 96 GB |
| RAM (base) | 16 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 5,600 MHz |
| Max. supported RAM | 64 GB | 96 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 4,096 GB | 4,096 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 | 100 Wh |
| Power adapter | 380 W | 280 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | 100 W |
| Design & cooling | ||
| Weight | 3.42 kg | 2.89 kg |
| Thickness | 32 mm | 24 mm |
| Width | 399 mm | 400 mm |
| Depth | 298 mm | 289.7 mm |
| Body material | Plastic | Aluminium |
| Colours | Black | Black |
| Cooling fans | 3 | 2 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 49.7 dB | — |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 5 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 3 | 2 |
| 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 | — |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | Yes |
| Audio | ||
| Speakers | 2.0 | 2.4 |
| Dolby Atmos | Yes | No |
Related comparisons
vs
Asus ROG Strix G18 G815 RTX 5090 (2025)vsMSI Titan 18 HX AI A2XW RTX 5090 (2025)8.58.6vs
Asus ROG Strix G18 G815 RTX 5090 (2025)vsMSI Stealth 18 HX AI A2XW RTX 5080 (2025)8.58.3vs
Asus ROG Strix G18 G815 RTX 5090 (2025)vsMedion Erazer Beast 18 X1 RTX 5080 (2025)vs
Asus ROG Strix G18 G815 RTX 5090 (2025)vsGigabyte Aorus Master 18 RTX 5080 (2025)8.58.7
vsAsus ROG Strix G18 G814 RTX 4080 (2024)vsAsus ROG Strix G18 G815 RTX 5090 (2025)6.58.5vsAsus ROG Strix G18 G814 RTX 4070 (2024)vsAsus ROG Strix G18 G815 RTX 5090 (2025)5.58.5