Asus ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026) vs Asus ROG Zephyrus Duo 16 RTX 4080 (2023)
What ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026) does better (13) and where ROG Zephyrus Duo 16 RTX 4080 (2023) wins (13) — every spec side by side.
vs
8.5Graphics9.4
8.6Overall performance9.4
9.0Display9.5
8.0Memory & storage8.6
4.9Battery & portability3.7
9.7Features & cooling7.0
Dimensions
Size comparison
ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026)ROG Zephyrus Duo 16 RTX 4080 (2023)
| ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026) | ROG Zephyrus Duo 16 RTX 4080 (2023) | Difference | |
|---|---|---|---|
| Depth | 246 mm | 266 mm | −20 mm |
| Width | 355 mm | 355 mm | = |
| Thickness | 24.9 mm | 29.7 mm | −4.8 mm |
| Weight | 2.8 kg | 2.7 kg | +0.1 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 RTX 4080 (2023)?
- Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
- Panel typeOLED vs Mini-LED
- Thunderbolt or USB4Yes · ROG Zephyrus Duo 16 RTX 4080 (2023): No
- Response time1 ms vs 3 ms3×
- RAM typeLPDDR5X vs DDR5
- Vapor chamber coolingYes · ROG Zephyrus Duo 16 RTX 4080 (2023): No
- IR camera (face login)Yes · ROG Zephyrus Duo 16 RTX 4080 (2023): No
- Thickness24.9 mm vs 29.7 mm+19%
- RAM speed8,533 MHz vs 4,800 MHz+78%
- Wi-Fi standardWi-Fi 7 vs Wi-Fi 6E+8%
- Bluetooth6 vs 5.2+15%
- Pixel density212 ppi vs 189 ppi+12%
Why is ROG Zephyrus Duo 16 RTX 4080 (2023) better than ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026)?
- GPU compute (FP32)17 TFLOPS vs 37.6 TFLOPS2.2×
- Refresh rate120 Hz vs 240 Hz2×
- 3DMark Steel Nomad Light13,901 vs 22,812+64%
- Brightness500 nits vs 1,100 nits2.2×
- Cinebench 2024 multi-core1,283 vs 1,961+53%
- Geekbench 6 multi-core17,133 vs 19,038+11%
- Weight2.82 kg vs 2.67 kg+6%
- GPU shader cores5,888 vs 7,424+26%
- CPU threads16 vs 322×
- Upgradable RAMNo · ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026): Yes
- Liquid metal (CPU)No · ROG Zephyrus Duo 16 GX651 RTX 5070 Ti (2026): Yes
- Max CPU clock4.9 GHz vs 5.4 GHz+10%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Ti Laptop | GeForce RTX 4080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | — | 175 W |
| Video memory | 12 GB | 12 GB |
| Video memory type | GDDR7 | GDDR6 |
| GPU shader cores | 5,888 | 7,424 |
| GPU compute (FP32) | 17 TFLOPS | 37.6 TFLOPS |
| 3DMark Steel Nomad Light | 13,901 | 22,812 |
| Processor | ||
| Processor | Core Ultra 9 386H | Ryzen 9 7945HX |
| CPU maker | Intel | AMD |
| CPU cores | 16 | 16 |
| CPU threads | 16 | 32 |
| Max CPU clock | 4.9 GHz | 5.4 GHz |
| Processor options | Core Ultra 9 386H | Ryzen 9 7945HX |
| Geekbench 6 multi-core | 17,133 | 19,038 |
| Geekbench 6 single-core | 2,952 | 3,105 |
| Cinebench 2024 multi-core | 1,283 | 1,961 |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2880 × 1800 | 2560 × 1600 |
| Resolution class | 3K (1800p/2000p) | QHD (1440p/1600p) |
| Refresh rate | 120 Hz | 240 Hz |
| Panel type | OLED | Mini-LED |
| Brightness | 500 nits | 1,100 nits |
| sRGB coverage | 100% | 100% |
| Response time | 1 ms | 3 ms |
| DCI-P3 coverage | 100% | 99% |
| Pixel density | 212 ppi | 189 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 | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 16 GB | 16 GB |
| RAM type | LPDDR5X | DDR5 |
| RAM speed | 8,533 MHz | 4,800 MHz |
| Max. supported RAM | — | 64 GB |
| RAM slots | — | 2 |
| Upgradable RAM | No | Yes |
| 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 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 90 Wh |
| Power adapter | 250 W | 330 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | — |
| Design & cooling | ||
| Weight | 2.82 kg | 2.67 kg |
| Thickness | 24.9 mm | 29.7 mm |
| Width | 355 mm | 355 mm |
| Depth | 246 mm | 266 mm |
| Body material | Aluminium | Aluminium |
| Colours | Gray | Black |
| Cooling fans | 2 | 2 |
| Vapor chamber cooling | Yes | No |
| Liquid metal (CPU) | No | Yes |
| Fan noise (max. load) | 54.1 dB | 56 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | — |
| Thunderbolt or USB4 | Yes | No |
| 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 | Yes |
| SD card reader | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | 6 | 5.2 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | Yes |
| Key travel | 1.7 mm | 1.7 mm |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | No |
| Fingerprint reader | No | Yes |
| Audio | ||
| Speakers | 2.4 | 2.4 |
| Dolby Atmos | Yes | Yes |
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