Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs HP Omen 16 RTX 5070 Ti (2026)
What ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) does better (13) and where Omen 16 RTX 5070 Ti (2026) wins (1) — every spec side by side.
Dimensions
Size comparison
ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)Omen 16 RTX 5070 Ti (2026)
| ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) | Omen 16 RTX 5070 Ti (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 5090 (2026) better than Omen 16 RTX 5070 Ti (2026)?
- RAM (up to)64 GB vs 32 GB2×
- Brightness1,100 nits vs 400 nits2.8×
- Battery capacity90 Wh vs 70 Wh+29%
- Video memory24 GB vs 12 GB2×
- Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
- Panel typeOLED vs IPS
- SSD (up to)2,000 GB vs 1,000 GB2×
- Thunderbolt or USB4Yes · Omen 16 RTX 5070 Ti (2026): No
- GPU shader cores10,496 vs 5,888+78%
- RAM (base)64 GB vs 32 GB2×
- RAM typeLPDDR5X vs DDR5
- SSD (base)2,000 GB vs 1,000 GB2×
Why is Omen 16 RTX 5070 Ti (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)?
- Weight2.82 kg vs 2.48 kg+14%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 5070 Ti Laptop |
| GPU maker | NVIDIA | NVIDIA |
| Video memory | 24 GB | 12 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 10,496 | 5,888 |
| Processor | ||
| Processor | Core Ultra 9 386H | Ryzen AI 9 HX 475 |
| CPU maker | Intel | AMD |
| Processor options | — | Ryzen AI 7 450, Core Ultra 7 270HX Plus, Core Ultra 9 290HX Plus, Ryzen AI 9 HX 475 |
| 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 | IPS |
| Brightness | 1,100 nits | 400 nits |
| Aspect ratio | 16:10 | 16:10 |
| Touchscreen | Yes | — |
| Memory & storage | ||
| RAM (up to) | 64 GB | 32 GB |
| RAM (base) | 64 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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