Asus ROG Strix G18 G815 RTX 5090 (2025) vs MSI Titan 18 HX AI A2XW RTX 5090 (2025)
What ROG Strix G18 G815 RTX 5090 (2025) does better (10) and where Titan 18 HX AI A2XW RTX 5090 (2025) wins (11) — every spec side by side.
vs
9.6Graphics9.2
9.1Overall performance9.1
6.8Display4.8
5.1Memory & storage7.3
2.5Battery & portability3.5
8.1Features & cooling6.0
Dimensions
Size comparison
ROG Strix G18 G815 RTX 5090 (2025)Titan 18 HX AI A2XW RTX 5090 (2025)
| ROG Strix G18 G815 RTX 5090 (2025) | Titan 18 HX AI A2XW RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 307.5 mm | −9.5 mm |
| Width | 399 mm | 404 mm | −5 mm |
| Thickness | 32 mm | 32 mm | = |
| Weight | 3.4 kg | 3.6 kg | −0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G815 RTX 5090 (2025) better than Titan 18 HX AI A2XW RTX 5090 (2025)?
- Refresh rate240 Hz vs 120 Hz2×
- 3DMark Steel Nomad Light32,766 vs 30,920+6%
- Weight3.42 kg vs 3.6 kg+5%
- G-Sync / FreeSyncYes · Titan 18 HX AI A2XW RTX 5090 (2025): No
- HDRYes · Titan 18 HX AI A2XW RTX 5090 (2025): No
- Liquid metal (CPU)Yes · Titan 18 HX AI A2XW RTX 5090 (2025): No
- Dolby AtmosYes · Titan 18 HX AI A2XW RTX 5090 (2025): No
- Cooling fans3 vs 2+50%
- Pixel density168 ppi vs 126 ppi+33%
- Fan noise (max. load)49.7 dB vs 58.9 dB+19%
Why is Titan 18 HX AI A2XW RTX 5090 (2025) better than ROG Strix G18 G815 RTX 5090 (2025)?
- Resolution classQHD (1440p/1600p) vs 4K (2160p/2400p)
- Panel typeIPS vs Mini-LED
- Battery capacity90 Wh vs 99 Wh+10%
- SSD (up to)4,096 GB vs 6,000 GB+46%
- RAM (base)16 GB vs 64 GB4×
- SSD (base)1,024 GB vs 6,000 GB5.9×
- Max. supported RAM64 GB vs 128 GB2×
- SD card readerNo · ROG Strix G18 G815 RTX 5090 (2025): Yes
- M.2 SSD slots2 vs 3+50%
- USB-C charging power100 W vs 140 W+40%
- RAM speed5,600 MHz vs 6,400 MHz+14%
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 | 30,920 |
| Processor | ||
| Processor | Core Ultra 9 275HX | Core Ultra 9 285HX |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | 24 | — |
| Max CPU clock | 5.4 GHz | 5.5 GHz |
| Processor options | Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX | Core Ultra 9 275HX, Core Ultra 9 285HX, Ryzen 9 9955HX, Ryzen 9 9955HX3D |
| Geekbench 6 multi-core | 22,783 | — |
| Geekbench 6 single-core | 3,357 | — |
| Cinebench 2024 multi-core | 2,141 | — |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 3840 × 2400 |
| Resolution class | QHD (1440p/1600p) | 4K (2160p/2400p) |
| Refresh rate | 240 Hz | 120 Hz |
| Panel type | IPS | Mini-LED |
| 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 | 64 GB |
| RAM (base) | 16 GB | 64 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) | 4,096 GB | 6,000 GB |
| SSD (base) | 1,024 GB | 6,000 GB |
| M.2 SSD slots | 2 | 3 |
| 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 | 140 W |
| Design & cooling | ||
| Weight | 3.42 kg | 3.6 kg |
| Thickness | 32 mm | 32 mm |
| Width | 399 mm | 404 mm |
| Depth | 298 mm | 307.5 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 | 58.9 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 |
| 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 | No |
| Audio | ||
| Speakers | 2.0 | 6 speakers |
| Dolby Atmos | Yes | No |
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