Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) vs XMG Neo 16 RTX 5090 (2026)
What ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) does better (7) and where Neo 16 RTX 5090 (2026) wins (4) — every spec side by side.
9.0Score
Higher score 7 advantages≈ $5,300
vs
9.8Display9.8
5.6Memory & storage3.4
4.4Battery & portability6.0
9.8Features & cooling9.7
Dimensions
Size comparison
ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026)Neo 16 RTX 5090 (2026)
| ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) | Neo 16 RTX 5090 (2026) | Difference | |
|---|---|---|---|
| Depth | 247 mm | 260 mm | −13 mm |
| Width | 355 mm | 357 mm | −2 mm |
| Thickness | 25 mm | 28 mm | −3 mm |
| Weight | 2.8 kg | 2.6 kg | +0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) better than Neo 16 RTX 5090 (2026)?
- Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
- SSD (up to)2,000 GB vs 1,000 GB2×
- RAM typeLPDDR5X vs DDR5
- SSD (base)2,000 GB vs 1,000 GB2×
- Thickness25 mm vs 28 mm+12%
- Brightness1,100 nits vs 1,000 nits+10%
- Bluetooth6 vs 5+20%
Why is Neo 16 RTX 5090 (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026)?
- Video memory12 GB vs 24 GB2×
- Battery capacity90 Wh vs 100 Wh+11%
- GPU shader cores5,888 vs 10,496+78%
- Weight2.82 kg vs 2.65 kg+6%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Ti Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| Video memory | 12 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 5,888 | 10,496 |
| Processor | ||
| Processor | Core Ultra 9 386H | Core Ultra 9 290HX Plus |
| CPU maker | Intel | Intel |
| CPU cores | — | 24 |
| Max CPU clock | — | 5.5 GHz |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2880 × 1800 | 2560 × 1600 |
| Resolution class | 3K (1800p/2000p) | QHD (1440p/1600p) |
| Refresh rate | — | 240 Hz |
| Panel type | OLED | OLED |
| Brightness | 1,100 nits | 1,000 nits |
| Aspect ratio | 16:10 | 16:10 |
| Touchscreen | Yes | — |
| Memory & storage | ||
| RAM (up to) | 32 GB | 32 GB |
| RAM (base) | 32 GB | 32 GB |
| RAM type | LPDDR5X | DDR5 |
| SSD (up to) | 2,000 GB | 1,000 GB |
| SSD (base) | 2,000 GB | 1,000 GB |
| Battery & power | ||
| Battery capacity | 90 Wh | 100 Wh |
| Power adapter | 250 W | — |
| USB-C charging (Power Delivery) | — | Yes |
| Design & cooling | ||
| Weight | 2.82 kg | 2.65 kg |
| Thickness | 25 mm | 28 mm |
| Width | 355 mm | 357 mm |
| Depth | 247 mm | 260 mm |
| Colours | Grey | Black |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | — | Yes |
| 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 | — |
| Bluetooth | 6 | 5 |
| Keyboard & camera | ||
| Webcam | 1,080p | 1,080p |
| Audio | ||
| Speakers | 4 speakers | 2 speakers |
| Dolby Atmos | Yes | — |
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