Acer Nitro 18 AI AN18-61 RTX 5070 Ti (2025) vs MSI Stealth 18 HX AI RTX 5090 (2025)
What Nitro 18 AI AN18-61 RTX 5070 Ti (2025) does better (9) and where Stealth 18 HX AI RTX 5090 (2025) wins (17) — every spec side by side.
vs
4.9Graphics9.0
4.5Overall performance7.3
4.5Display2.3
7.4Memory & storage8.3
7.2Battery & portability9.6
4.6Features & cooling5.5
Dimensions
Size comparison
Nitro 18 AI AN18-61 RTX 5070 Ti (2025)Stealth 18 HX AI RTX 5090 (2025)
| Nitro 18 AI AN18-61 RTX 5070 Ti (2025) | Stealth 18 HX AI RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 310 mm | 289.7 mm | +20.3 mm |
| Width | 401 mm | 400 mm | +1 mm |
| Thickness | 26 mm | 24 mm | +2 mm |
| Weight | 3 kg | 2.9 kg | +0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Nitro 18 AI AN18-61 RTX 5070 Ti (2025) better than Stealth 18 HX AI RTX 5090 (2025)?
- Resolution classQHD (1440p/1600p) vs Full HD (1080p/1200p)
- SSD (up to)8,000 GB vs 4,096 GB+95%
- Refresh rate165 Hz vs 144 Hz+15%
- G-Sync / FreeSyncYes · Stealth 18 HX AI RTX 5090 (2025): No
- Advanced OptimusYes · Stealth 18 HX AI RTX 5090 (2025): No
- Liquid metal (CPU)Yes · Stealth 18 HX AI RTX 5090 (2025): No
- USB-A ports3 vs 2+50%
- Pixel density168 ppi vs 126 ppi+33%
- Fan noise (max. load)56 dB vs 63 dB+12%
Why is Stealth 18 HX AI RTX 5090 (2025) better than Nitro 18 AI AN18-61 RTX 5070 Ti (2025)?
- GPU compute (FP32)26.8 TFLOPS vs 51.4 TFLOPS+92%
- GPU power (TGP)115 W vs 175 W+52%
- 3DMark Steel Nomad Light20,023 vs 30,526+52%
- Video memory12 GB vs 24 GB2×
- CPU cores10 vs 202×
- Battery capacity90 Wh vs 100 Wh+11%
- GPU shader cores5,888 vs 10,496+78%
- RAM (base)8 GB vs 32 GB4×
- Max. supported RAM32 GB vs 128 GB4×
- SSD (base)250 GB vs 1,024 GB4.1×
- Weight3.02 kg vs 2.89 kg+4%
- Vapor chamber coolingNo · Nitro 18 AI AN18-61 RTX 5070 Ti (2025): Yes
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Ti Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 115 W | 175 W |
| Video memory | 12 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 5,888 | 10,496 |
| GPU compute (FP32) | 26.8 TFLOPS | 51.4 TFLOPS |
| 3DMark Steel Nomad Light | 20,023 | 30,526 |
| Processor | ||
| Processor | Ryzen AI 9 365 | Core Ultra 7 255HX |
| CPU maker | AMD | Intel |
| CPU cores | 10 | 20 |
| CPU threads | — | 20 |
| Max CPU clock | 5 GHz | 5.2 GHz |
| Processor options | Ryzen AI 7 350, Ryzen AI 9 365 | 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 | 165 Hz | 144 Hz |
| Panel type | IPS | IPS |
| Brightness | 500 nits | — |
| sRGB coverage | 100% | — |
| Response time | 8 ms | — |
| DCI-P3 coverage | 97% | — |
| Pixel density | 168 ppi | 126 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | No |
| Advanced Optimus | Yes | No |
| MUX switch | Yes | Yes |
| HDR | No | No |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 128 GB | 128 GB |
| RAM (base) | 8 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 6,400 MHz |
| Max. supported RAM | 32 GB | 128 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 8,000 GB | 4,096 GB |
| SSD (base) | 250 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 | 230 W | 280 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 140 W | 140 W |
| Design & cooling | ||
| Weight | 3.02 kg | 2.89 kg |
| Thickness | 26 mm | 24 mm |
| Width | 401 mm | 400 mm |
| Depth | 310 mm | 289.7 mm |
| Body material | Plastic | Aluminium |
| Colours | Black | Black |
| Cooling fans | 2 | 2 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 56 dB | 63 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | 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 | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | No | Yes |
| Fingerprint reader | No | Yes |
| Audio | ||
| Speakers | 2.0 | 2.4 |
| Dolby Atmos | No | No |
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