vs
2.2Display7.8
8.4Memory & storage2.7
9.6Battery & portability3.3
5.4Features & cooling9.4
Dimensions
Size comparison
Stealth 18 HX AI RTX 5070 (2025)Key 18 Pro RTX 5090 (2025)
| Stealth 18 HX AI RTX 5070 (2025) | Key 18 Pro RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 289.7 mm | 320 mm | −30.3 mm |
| Width | 400 mm | 402 mm | −2 mm |
| Thickness | 24 mm | 30 mm | −6 mm |
| Weight | 2.9 kg | 4 kg | −1.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Stealth 18 HX AI RTX 5070 (2025) better than Key 18 Pro RTX 5090 (2025)?
- RAM (up to)128 GB vs 32 GB4×
- SSD (up to)4,096 GB vs 2,000 GB2×
- Weight2.89 kg vs 3.95 kg+37%
- Thickness24 mm vs 30 mm+25%
- Bluetooth5.4 vs 5+8%
Why is Key 18 Pro RTX 5090 (2025) better than Stealth 18 HX AI RTX 5070 (2025)?
- Video memory8 GB vs 24 GB3×
- Refresh rate144 Hz vs 240 Hz+67%
- GPU shader cores4,608 vs 10,4962.3×
- Resolution classFull HD (1080p/1200p) vs 4K (2160p/2400p)
- CPU cores20 vs 24+20%
- SSD (base)1,024 GB vs 2,000 GB+95%
- Max CPU clock5.2 GHz vs 5.4 GHz+4%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 115 W | — |
| Video memory | 8 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 4,608 | 10,496 |
| GPU compute (FP32) | 26.2 TFLOPS | — |
| 3DMark Steel Nomad Light | 16,441 | — |
| Processor | ||
| Processor | Core Ultra 7 255HX | Core Ultra 9 275HX |
| CPU maker | Intel | Intel |
| CPU cores | 20 | 24 |
| CPU threads | 20 | — |
| Max CPU clock | 5.2 GHz | 5.4 GHz |
| Processor options | 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 | 1920 × 1200 | 3840 × 2160 |
| Resolution class | Full HD (1080p/1200p) | 4K (2160p/2400p) |
| Refresh rate | 144 Hz | 240 Hz |
| Panel type | IPS | IPS |
| Brightness | — | 500 nits |
| Pixel density | 126 ppi | — |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | No | — |
| Advanced Optimus | No | — |
| MUX switch | Yes | — |
| HDR | No | — |
| Touchscreen | No | — |
| Memory & storage | ||
| RAM (up to) | 128 GB | 32 GB |
| RAM (base) | 32 GB | 32 GB |
| RAM type | DDR5 | — |
| RAM speed | 6,400 MHz | — |
| Max. supported RAM | 128 GB | — |
| RAM slots | 2 | — |
| Upgradable RAM | Yes | — |
| SSD (up to) | 4,096 GB | 2,000 GB |
| SSD (base) | 1,024 GB | 2,000 GB |
| M.2 SSD slots | 2 | — |
| SSD interface | PCIe 4.0 x4 | — |
| Battery & power | ||
| Battery capacity | 100 Wh | 98 Wh |
| Power adapter | 280 W | 330 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 140 W | — |
| Design & cooling | ||
| Weight | 2.89 kg | 3.95 kg |
| Thickness | 24 mm | 30 mm |
| Width | 400 mm | 402 mm |
| Depth | 289.7 mm | 320 mm |
| Body material | Aluminium | — |
| Colours | Black | Black |
| Cooling fans | 2 | — |
| Vapor chamber cooling | Yes | — |
| Liquid metal (CPU) | No | — |
| Fan noise (max. load) | 63 dB | — |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 5 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | — |
| USB-A ports | 2 | — |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | — |
| Ethernet | — | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | — |
| Numeric keypad | Yes | — |
| Webcam | 1,080p | — |
| IR camera (face login) | Yes | — |
| Fingerprint reader | Yes | — |
| Audio | ||
| Speakers | 2.4 | 2 speakers |
| Dolby Atmos | No | — |
Related comparisons
vs
MSI Stealth 18 HX AI RTX 5070 (2025)vsMSI Raider A18 HX A9 RTX 5090 (2025)6.46.4
vs
Medion Erazer Beast 18 X1 RTX 5090 (2025)vsXMG Key 18 Pro RTX 5090 (2025)vsXMG Key 18 Pro RTX 5090 (2025)vsMSI Raider A18 HX A9 RTX 5090 (2025)6.06.4
vsAsus ROG Strix G18 G815 RTX 5060 (2025)vsXMG Key 18 Pro RTX 5090 (2025)5.96.0
vsAsus ROG Strix G18 G815 RTX 5060 (2026)vsXMG Key 18 Pro RTX 5090 (2025)5.96.0
vsMSI Stealth A18 AI+ RTX 5070 Ti (2025)vsXMG Key 18 Pro RTX 5090 (2025)6.26.0