Asus Zenbook Duo 14 UX8407 vs ROG Zephyrus Duo 16 GX651
74
out of 100
VS
72
out of 100
Please select specific configurations for the laptops to get a more accurate comparative review
Review
Performance
System and application performance
Gaming
Performance in popular 3D games
Display
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Connectivity
Ports, webcam and other interfaces
Portability
Design, materials, durability and usability
Pick the usage scenario that best matches your needs
Value for money (Beta)
Key Differences
Advantages of the Asus Zenbook Duo 14 UX8407
- Higher screen refresh rate: 144 versus 120 Hz
- Significantly easier to carry: weighs 1170 grams less (around 2.58 lbs)
- Thinner bezels and 3% higher screen-to-body ratio
- Features a a little bigger (~10%) battery – 99 against 90 watt-hours
- Much smaller footprint: 26% more compact case (100.3 vs 135.3 square inches)
- 15% sharper screen – 243 versus 212 pixels per inch (PPI)
Advantages of the Asus ROG Zephyrus Duo 16 GX651
- Can run popular games at about 305-416% higher FPS
- Includes an old-school USB-A port
Tests and Specifications
Comparison table of test results and technical specsCase
| Weight | 1.65 kg (3.64 lbs) | 2.82 kg (6.22 lbs) |
| Dimensions | 310.1 x 208.6 x 19.6-23.4 mm 12.21 x 8.21 x 0.77-0.92 inches |
355 x 246 x 19.9-24.9 mm 13.98 x 9.69 x 0.78-0.98 inches |
| Area | 647 cm2 (100.2 inches2) | 873 cm2 (135.5 inches2) |
| Screen-to-body ratio | ~87.9% | ~85% |
| Side bezels | 4.3 mm | 5.2 mm |
| Colors | Black, Gray | Gray |
| Material | Aluminum | Aluminum |
| Transformer | No | No |
| Opening angle | 180° | 180° |
Size comparison
| Cooling system | Active | Active |
| Vapor chamber | No | Yes |
| Liquid metal | No | No |
| Number of fans | 2 | 2 |
| Noise level (max. load) | 45.9 dB | 54.1 dB |
Display
| Size | 14 inches | 16 inches |
| Type | OLED | OLED |
| Refresh rate | 144 Hz | 120 Hz |
| Adaptive refresh rate | Yes | Yes |
| PPI | 243 ppi | 212 ppi |
| Aspect ratio | 16:10 | 16:10 |
| Resolution | 2880 x 1800 pixels | 2880 x 1800 pixels |
| HDR support | Yes, HDR10 | Yes, HDR10 |
| Sync technology | No | Adaptive Sync |
| Touchscreen | Yes | Yes |
| Coating | Glossy | Glossy |
| Ambient light sensor | Yes | Yes |
Screen space comparison
ROG Zephyrus Duo 16 GX651
16″ (16:10 ratio) = 115.1 in2
Zenbook Duo 14 UX8407
14″ (16:10 ratio) = 88.1 in2
~30% more screen space
| Contrast | 1000000:1 | 1000000:1 |
| sRGB color space | 100% | 100% |
| Adobe RGB profile | 88.7% | 88.1% |
| DCI-P3 color gamut | 99.5% | 100% |
| Response time | 1 ms | 1 ms |
Max. brightness
Battery
Capacity
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Fast charging | Yes | Yes |
| Charging via USB (Power Delivery) | Yes | Yes, 100 W |
| Charging port position | Left, Right | Left, Right |
| Charge power | 100 W | 250 W |
| Weight of AC adapter | - | 722 grams |
CPU
CPU name
| Base frequency | 2.1 GHz | 2.1 GHz |
| Turbo frequency | 4.9 GHz | 4.9 GHz |
| Cores | 16 (4P + 12E) | 16 (4P + 12E) |
| Threads | 16 | 16 |
| L3 Cache | 18 MB | 18 MB |
| Integrated GPU | Intel Xe3 Graphics | Intel Xe3 Graphics |
| Fabrication process | 2 nm | 2 nm |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench 2024 (Single-Core)
Cinebench 2024 (Multi-Core)
Graphics Card
GPU name
| TGP | 25 W | - |
| Nvidia Optimus | - | MUX |
| Type | Integrated | Dedicated |
| Fabrication process | 3 nm | 4 nm |
| GPU base clock | 300 MHz | - |
| GPU boost clock | 2500 MHz | - |
| FLOPS | 2.6 TFLOPS | 17-26.8 TFLOPS |
| Memory size | System Shared | 12 GB |
| Memory type | LPDDR5X | GDDR7 |
| Memory bus | - | 192 bit |
| Memory speed | 9.6 Gbps | ~28 Gbps |
| Shading units (cores) | 512 | 5888 |
| Texture mapping units (TMUs) | 32 | 184 |
| Raster operations pipelines (ROPs) | 16 | 80 |
| GPU performance | 2.6 TFLOPS | 17-26.8 TFLOPS |
GPU Benchmarks
Steel Nomad Lite Score
| Blender GPU | - | 3866 |
| Solar Bay | - | 63169 |
Expected FPS based on average performance across 9 popular games. Details
RAM
RAM size
| Channels | 2x8 GB | 2x8 GB |
| Clock | 9600 MHz | 8533 MHz |
| Type | LPDDR5X | LPDDR5X |
| Upgradable | No | No |
Storage
Storage size
| Bus | PCI-E Gen 4.0 (4x) | PCI-E Gen 5.0 (4x) |
| Storage type | SSD (M2) | SSD (M2) |
| Channels | 1x512 GB | 1x1024 GB |
| Upgradable | Yes | Yes |
| Total slots | 1 | 2 |
| NVMe | Yes | Yes |
Sound
| Speakers | 2.0 | 2.4 (2 tweeters and 4 woofers) |
| Dolby Atmos | No | Yes |
| Loudness | ~83.7 dB | ~85.5 dB |
| Microphones | 2 | - |
Connectivity
| Wi-Fi standard | v7 | v7 |
| Bluetooth | v5.4 | v6.0 |
| Fingerprint | No | No |
| Infrared sensor | Yes | Yes |
| Optical drive | No | No |
| Webcam | Above the display | Above the display |
| Webcam resolution | 1920 x 1080 | 1920 x 1080 |
| USB-A | 1x USB 3.2 | 2x USB 3.2 |
| USB Type-C | 2x USB 4.0 | 2x USB 4.0 |
| Thunderbolt | Thunderbolt 4 | Thunderbolt 4 |
| HDMI | 1x HDMI 2.1 | 1x HDMI 2.1 |
| DisplayPort | No | No |
| VGA | No | No |
| Audio jack (3.5 mm) | Yes | Yes |
| Ethernet (RJ45) | No | No |
| SD card reader | No | Yes |
| Proprietary charging port | No | Yes |
Input
| Keyboard type | Island | Island |
| Numpad | No | No |
| Backlight | Yes | Yes |
| Key travel | 1.7 mm | 1.7 mm |
| Size | 12.7 x 7.8 cm | 15.0 x 10.0 cm |
| Surface | Glass | Glass |
| Windows Precision | Yes | Yes |
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.
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Total votes: 4