Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) vs HP Omen 16 RTX 5080 (2026)
What ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) does better (8) and where Omen 16 RTX 5080 (2026) wins (3) — every spec side by side.
9.0Score
Higher score 8 advantages≈ $5,300
vs
9.8Display9.7
5.6Memory & storage3.4
4.4Battery & portability3.8
9.8Features & cooling7.0
Dimensions
Size comparison
ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026)Omen 16 RTX 5080 (2026)
| ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026) | Omen 16 RTX 5080 (2026) | Difference | |
|---|---|---|---|
| Depth | 247 mm | 269 mm | −22 mm |
| Width | 355 mm | 358 mm | −3 mm |
| Thickness | 25 mm | 26 mm | −1 mm |
| Weight | 2.8 kg | 2.5 kg | +0.3 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 Omen 16 RTX 5080 (2026)?
- Brightness1,100 nits vs 400 nits2.8×
- Battery capacity90 Wh vs 70 Wh+29%
- Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
- SSD (up to)2,000 GB vs 1,000 GB2×
- Thunderbolt or USB4Yes · Omen 16 RTX 5080 (2026): No
- RAM typeLPDDR5X vs DDR5
- SSD (base)2,000 GB vs 1,000 GB2×
- Thickness25 mm vs 26 mm+4%
Why is Omen 16 RTX 5080 (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5070 Ti (2026)?
- Weight2.82 kg vs 2.48 kg+14%
- Video memory12 GB vs 16 GB+33%
- GPU shader cores5,888 vs 7,680+30%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Ti Laptop | GeForce RTX 5080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| Video memory | 12 GB | 16 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 5,888 | 7,680 |
| Processor | ||
| Processor | Core Ultra 9 386H | Core Ultra 9 290HX Plus |
| CPU maker | Intel | Intel |
| Processor options | — | Core Ultra 7 270HX Plus, Core Ultra 9 290HX Plus |
| 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 | 400 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 |
| RAM speed | — | 5,600 MHz |
| SSD (up to) | 2,000 GB | 1,000 GB |
| SSD (base) | 2,000 GB | 1,000 GB |
| Battery & power | ||
| Battery capacity | 90 Wh | 70 Wh |
| Power adapter | 250 W | 280 W |
| USB-C charging (Power Delivery) | — | Yes |
| Design & cooling | ||
| Weight | 2.82 kg | 2.48 kg |
| Thickness | 25 mm | 26 mm |
| Width | 355 mm | 358 mm |
| Depth | 247 mm | 269 mm |
| Colours | Grey | Black |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | — |
| Thunderbolt or USB4 | Yes | No |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| Ethernet | — | 1 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | — |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6 | 6 |
| Keyboard & camera | ||
| Backlit keyboard | — | Yes |
| Webcam | 1,080p | — |
| Audio | ||
| Speakers | 4 speakers | 2 speakers |
| Dolby Atmos | Yes | — |
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