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- ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) vs ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)
Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) vs Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)
What ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) does better (0) and where ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) wins (4) — every spec side by side.
vs
9.8Display9.8
5.4Memory & storage7.8
4.4Battery & portability4.4
9.8Features & cooling9.8
Dimensions
Size comparison
ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026)ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)
| ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) | ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) | Difference | |
|---|---|---|---|
| Depth | 247 mm | 247 mm | = |
| Width | 355 mm | 355 mm | = |
| Thickness | 25 mm | 25 mm | = |
| Weight | 2.8 kg | 2.8 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 ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)?
ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) has no measurable advantages in this pair.
Why is ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026)?
- RAM (up to)32 GB vs 64 GB2×
- Video memory12 GB vs 24 GB2×
- GPU shader cores5,888 vs 10,496+78%
- RAM (base)32 GB vs 64 GB2×
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 386H |
| CPU maker | Intel | Intel |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2880 × 1800 | 2880 × 1800 |
| Resolution class | 3K (1800p/2000p) | 3K (1800p/2000p) |
| Panel type | OLED | OLED |
| Brightness | 1,100 nits | 1,100 nits |
| Aspect ratio | 16:10 | 16:10 |
| Touchscreen | Yes | Yes |
| Memory & storage | ||
| RAM (up to) | 32 GB | 64 GB |
| RAM (base) | 32 GB | 64 GB |
| RAM type | LPDDR5X | LPDDR5X |
| SSD (up to) | 2,000 GB | 2,000 GB |
| SSD (base) | 2,000 GB | 2,000 GB |
| Battery & power | ||
| Battery capacity | 90 Wh | 90 Wh |
| Power adapter | 250 W | 250 W |
| Design & cooling | ||
| Weight | 2.82 kg | 2.82 kg |
| Thickness | 25 mm | 25 mm |
| Width | 355 mm | 355 mm |
| Depth | 247 mm | 247 mm |
| Colours | Grey | Grey |
| 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 |
| 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 | 6 | 6 |
| Keyboard & camera | ||
| Webcam | 1,080p | 1,080p |
| Audio | ||
| Speakers | 4 speakers | 4 speakers |
| Dolby Atmos | Yes | Yes |
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