Acer Nitro 16 AN16-A91 RTX 5070 (2026) vs Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)
What Nitro 16 AN16-A91 RTX 5070 (2026) does better (2) and where ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) wins (11) — every spec side by side.
vs
9.4Score
Higher score 11 advantages≈ $7,200
9.0Display9.8
2.2Memory & storage7.9
7.3Battery & portability4.4
5.8Features & cooling9.8
Dimensions
Size comparison
Nitro 16 AN16-A91 RTX 5070 (2026)ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)
| Nitro 16 AN16-A91 RTX 5070 (2026) | ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) | Difference | |
|---|---|---|---|
| Depth | 276 mm | 247 mm | +29 mm |
| Width | 357 mm | 355 mm | +2 mm |
| Thickness | 28 mm | 25 mm | +3 mm |
| Weight | 2.4 kg | 2.8 kg | −0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Nitro 16 AN16-A91 RTX 5070 (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)?
- Battery capacity92 Wh vs 90 Wh+2%
- Weight2.4 kg vs 2.82 kg+18%
Why is ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) better than Nitro 16 AN16-A91 RTX 5070 (2026)?
- RAM (up to)16 GB vs 64 GB4×
- Video memory8 GB vs 24 GB3×
- GPU shader cores4,608 vs 10,4962.3×
- Resolution classQHD (1440p/1600p) vs 3K (1800p/2000p)
- Panel typeIPS vs OLED
- SSD (up to)1,000 GB vs 2,000 GB2×
- RAM (base)16 GB vs 64 GB4×
- SSD (base)1,000 GB vs 2,000 GB2×
- Wi-Fi standardWi-Fi 6 vs Wi-Fi 7+17%
- Thickness28 mm vs 25 mm+12%
- Bluetooth5.3 vs 6+13%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| Video memory | 8 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 4,608 | 10,496 |
| Processor | ||
| Processor | Ryzen 9 9955HX | Core Ultra 9 386H |
| CPU maker | AMD | Intel |
| CPU cores | 16 | — |
| Max CPU clock | 5.4 GHz | — |
| Processor options | Ryzen 9 9955HX3D, Ryzen 9 9955HX | — |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2560 × 1600 | 2880 × 1800 |
| Resolution class | QHD (1440p/1600p) | 3K (1800p/2000p) |
| Refresh rate | 240 Hz | — |
| Panel type | IPS | OLED |
| Brightness | — | 1,100 nits |
| Aspect ratio | 16:10 | 16:10 |
| Touchscreen | — | Yes |
| Memory & storage | ||
| RAM (up to) | 16 GB | 64 GB |
| RAM (base) | 16 GB | 64 GB |
| RAM type | — | LPDDR5X |
| SSD (up to) | 1,000 GB | 2,000 GB |
| SSD (base) | 1,000 GB | 2,000 GB |
| Battery & power | ||
| Battery capacity | 92 Wh | 90 Wh |
| Power adapter | 330 W | 250 W |
| Design & cooling | ||
| Weight | 2.4 kg | 2.82 kg |
| Thickness | 28 mm | 25 mm |
| Width | 357 mm | 355 mm |
| Depth | 276 mm | 247 mm |
| Colours | Black | Grey |
| Ports & wireless | ||
| Thunderbolt / USB4 | USB4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| 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 6 | Wi-Fi 7 |
| Bluetooth | 5.3 | 6 |
| Keyboard & camera | ||
| Webcam | — | 1,080p |
| Audio | ||
| Speakers | — | 4 speakers |
| Dolby Atmos | — | Yes |
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