Asus ROG Strix G18 G815 RTX 5070 Ti (2025) vs MSI Stealth 18 HX AI RTX 5070 (2025)
What ROG Strix G18 G815 RTX 5070 Ti (2025) does better (17) and where Stealth 18 HX AI RTX 5070 (2025) wins (10) — every spec side by side.
vs
5.4Graphics4.6
5.4Overall performance4.9
8.3Display2.3
3.1Memory & storage8.3
3.0Battery & portability9.6
8.3Features & cooling5.5
Dimensions
Size comparison
ROG Strix G18 G815 RTX 5070 Ti (2025)Stealth 18 HX AI RTX 5070 (2025)
| ROG Strix G18 G815 RTX 5070 Ti (2025) | Stealth 18 HX AI RTX 5070 (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 | 3.2 kg | 2.9 kg | +0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G815 RTX 5070 Ti (2025) better than Stealth 18 HX AI RTX 5070 (2025)?
- Refresh rate300 Hz vs 144 Hz2.1×
- GPU power (TGP)140 W vs 115 W+22%
- Resolution classQHD (1440p/1600p) vs Full HD (1080p/1200p)
- 3DMark Steel Nomad Light22,876 vs 16,441+39%
- GPU compute (FP32)31.2 TFLOPS vs 26.2 TFLOPS+19%
- Video memory12 GB vs 8 GB+50%
- GPU shader cores5,888 vs 4,608+28%
- G-Sync / FreeSyncYes · Stealth 18 HX AI RTX 5070 (2025): No
- HDRYes · Stealth 18 HX AI RTX 5070 (2025): No
- Liquid metal (CPU)Yes · Stealth 18 HX AI RTX 5070 (2025): No
- Dolby AtmosYes · Stealth 18 HX AI RTX 5070 (2025): No
- CPU cores24 vs 20+20%
Why is Stealth 18 HX AI RTX 5070 (2025) better than ROG Strix G18 G815 RTX 5070 Ti (2025)?
- RAM (up to)32 GB vs 128 GB4×
- SSD (up to)1,000 GB vs 4,096 GB4.1×
- Battery capacity90 Wh vs 100 Wh+11%
- Weight3.2 kg vs 2.89 kg+11%
- Thickness32 mm vs 24 mm+33%
- Max. supported RAM64 GB vs 128 GB2×
- SD card readerNo · ROG Strix G18 G815 RTX 5070 Ti (2025): Yes
- USB-C charging power100 W vs 140 W+40%
- RAM speed5,600 MHz vs 6,400 MHz+14%
- SSD (base)1,000 GB vs 1,024 GB+2%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Ti Laptop | GeForce RTX 5070 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 140 W | 115 W |
| Video memory | 12 GB | 8 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 5,888 | 4,608 |
| GPU compute (FP32) | 31.2 TFLOPS | 26.2 TFLOPS |
| 3DMark Steel Nomad Light | 22,876 | 16,441 |
| Processor | ||
| Processor | Core Ultra 9 290HX Plus | Core Ultra 7 255HX |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 20 |
| CPU threads | — | 20 |
| Max CPU clock | 5.5 GHz | 5.2 GHz |
| Processor options | Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX | Core Ultra 7 255HX, Core Ultra 7 265HX, Core Ultra 9 275HX, Core Ultra 9 290HX Plus |
| Geekbench 6 multi-core | — | 19,366 |
| Geekbench 6 single-core | — | 3,130 |
| Cinebench 2024 multi-core | — | 1,915 |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 1920 × 1200 |
| Resolution class | QHD (1440p/1600p) | Full HD (1080p/1200p) |
| Refresh rate | 300 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) | 32 GB | 128 GB |
| RAM (base) | 32 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) | 1,000 GB | 4,096 GB |
| SSD (base) | 1,000 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 | 140 W |
| Design & cooling | ||
| Weight | 3.2 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 | Grey | Black |
| Cooling fans | 3 | 2 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 49.7 dB | 63 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 | 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 | 1.7 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 |
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