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- ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026) vs ROG Zephyrus Duo 16 GX651 RTX 5080 (2026)
Asus ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026) vs Asus ROG Zephyrus Duo 16 GX651 RTX 5080 (2026)
What ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026) does better (0) and where ROG Zephyrus Duo 16 GX651 RTX 5080 (2026) wins (4) — every spec side by side.
vs
8.5Graphics9.0
8.6Overall performance8.9
9.0Display9.0
8.0Memory & storage8.0
4.9Battery & portability4.9
9.7Features & cooling9.7
Dimensions
Size comparison
ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026)ROG Zephyrus Duo 16 GX651 RTX 5080 (2026)
| ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026) | ROG Zephyrus Duo 16 GX651 RTX 5080 (2026) | Difference | |
|---|---|---|---|
| Depth | 246 mm | 246 mm | = |
| Width | 355 mm | 355 mm | = |
| Thickness | 24.9 mm | 24.9 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 GX651 RTX 5070 Ti (2026) better than ROG Zephyrus Duo 16 GX651 RTX 5080 (2026)?
ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026) has no measurable advantages in this pair.
Why is ROG Zephyrus Duo 16 GX651 RTX 5080 (2026) better than ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026)?
- GPU compute (FP32)17 TFLOPS vs 34 TFLOPS2×
- 3DMark Steel Nomad Light13,901 vs 22,698+63%
- 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 |
| GPU power (TGP) | — | 135 W |
| Video memory | 12 GB | 16 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 5,888 | 7,680 |
| GPU compute (FP32) | 17 TFLOPS | 34 TFLOPS |
| 3DMark Steel Nomad Light | 13,901 | 22,698 |
| Processor | ||
| Processor | Core Ultra 9 386H | Core Ultra 9 386H |
| CPU maker | Intel | Intel |
| CPU cores | 16 | 16 |
| CPU threads | 16 | 16 |
| Max CPU clock | 4.9 GHz | 4.9 GHz |
| Processor options | Core Ultra 9 386H | Core Ultra 9 386H |
| Geekbench 6 multi-core | 17,133 | 17,133 |
| Geekbench 6 single-core | 2,952 | 2,952 |
| Cinebench 2024 multi-core | 1,283 | 1,283 |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2880 × 1800 | 2880 × 1800 |
| Resolution class | 3K (1800p/2000p) | 3K (1800p/2000p) |
| Refresh rate | 120 Hz | 120 Hz |
| Panel type | OLED | OLED |
| Brightness | 500 nits | 500 nits |
| sRGB coverage | 100% | 100% |
| Response time | 1 ms | 1 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 212 ppi | 212 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | Yes | Yes |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 16 GB | 16 GB |
| RAM type | LPDDR5X | LPDDR5X |
| RAM speed | 8,533 MHz | 8,533 MHz |
| Upgradable RAM | No | No |
| SSD (up to) | 4,096 GB | 4,096 GB |
| SSD (base) | 1,024 GB | 1,024 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 5.0 x4 | PCIe 5.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 90 Wh |
| Power adapter | 250 W | 250 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | 100 W |
| Design & cooling | ||
| Weight | 2.82 kg | 2.82 kg |
| Thickness | 24.9 mm | 24.9 mm |
| Width | 355 mm | 355 mm |
| Depth | 246 mm | 246 mm |
| Body material | Aluminium | Aluminium |
| Colours | Gray | Gray |
| Cooling fans | 2 | 2 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | No | No |
| Fan noise (max. load) | 54.1 dB | 54.1 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 2 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet port | No | No |
| 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 | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | No |
| Key travel | 1.7 mm | 1.7 mm |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.4 | 2.4 |
| Dolby Atmos | Yes | Yes |
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