Asus Zenbook 14 OLED (UX3405) vs Asus Vivobook 14X OLED (K3405)
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Compared 2 laptops: Asus Zenbook 14 OLED (UX3405), vs Asus Vivobook 14X OLED (K3405). Below are specs, tests, pros and cons for each device
Versions
| Battery | n/a | - 50 W - 63 W |
| Processor | - Intel Core Ultra 5 125H - Intel Core Ultra 7 155H - Intel Core Ultra 9 185H - Intel Core Ultra 5 225H - Intel Core Ultra 7 255H - Intel Core Ultra 9 285H |
- Intel Core i5 12450H - Intel Core i5 12500H - Intel Core i7 12650H - Intel Core i7 12700H - Intel Core i5 13500H - Intel Core i7 13700H - Intel Core i9 13900H |
| Storage | - 512 GB - 1024 GB - 2048 GB - 4096 GB |
- 512 GB - 1024 GB |
| RAM | - 8 GB - 16 GB - 32 GB |
- 8 GB - 16 GB |
Review
System Performance
System and app performance
Gaming Performance
Graphics in popular 3D games
Display
Color accuracy, sharpness & brightness
Battery Life
Estimated real-world battery life
Connectivity
Ports, webcam, and interfaces
Case & Design
Appearance, materials, durability, comfort
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonBody
| Weight | 1.2 kg | 1.4 kg |
| Pixel size | 312.4x220.1x14.9 mm | 317.1x222.5x18.9 mm |
| Area | 688 cm² | 706 cm² |
| Screen-to-body ratio | 82.7 % | 80.6 % |
| Side bezels | 5.4 mm | 7.8 mm |
| Colors | - Silver - Blue |
- Black - Silver |
| Material | Aluminum | - Top: Aluminum - Middle: Plastic - Bottom: Plastic |
| Transformer | No | No |
| Opening angle | 180 ° | 140 ° |
| Cooling type | Active | Active |
| Vapor chamber | No | No |
| Liquid metal | No | No |
| Cooler count | 1 | 1 |
| Noise Level | 40 dB | 52.6 dB |
Display
| Diagonal | 14 in | 14 in |
| Type | OLED | IPS LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | n/a |
| Pixel density | 162 ppi | 162 ppi |
| Aspect ratio | 16:10 | 16:10 |
| Resolution | 1920x1200 pixels | 1920x1200 pixels |
| HDR support | Yes, HDR10 | No |
| Sync Tech | No | No |
| Touchscreen | No | No |
| Coating | Glossy | Matte |
| Light sensor | Yes | No |
| Contrast | 1000000:1 | n/a |
| DCI-P3 gamut | 100 % | n/a |
| sRGB gamut | 100 % | n/a |
| Response time | 1 ms | n/a |
Battery
| Capacity | 75 Wh | 50 Wh |
| Full Charge Time | 1:50 h | n/a |
| Battery Type | Li-ion | Li-ion |
| Removable | No | No |
| Fast Charging | Yes | Yes |
| USB PD | Yes | Yes |
| Charge Port Location | Right | Right |
| Charge Power | 65 W | 90 W |
| Charger weight | 225 g | 390 g |
Processor
| Processor | Intel Core Ultra 5 125H | Intel Core i5 12450H |
| Base frequency | 1.2 GHz | 2 GHz |
| Turbo Frequency | 4.5 GHz | 4.4 GHz |
| Cores | 14 (4P + 10E) | 8 (4P + 4E) |
| Threads | 18 | 12 |
| L3 Cache | 18 MB | 12 MB |
| Integrated Graphics | Arc Graphics (7-Cores) | Intel UHD Graphics (48EU) |
| Process tech. | 7 nm | 10 nm |
GPU Model
| GPU Model | Intel Arc iGPU (7-Cores) | GeForce RTX 3050 Mobile 4GB |
| TGP | 28 W | 50 W |
| Nvidia Optimus | n/a | MUX |
| Graphics Type | Integrated | Discrete |
| Process tech. | 5 nm | 8 nm |
| GPU Frequency | 300 MHz | 1185 MHz |
| Boost GPU Frequency | 2200 MHz | 1417 MHz |
| FLOPS | 3.9 TFLOPS | 5.8 TFLOPS |
| Video Memory | n/a | 4 |
| Memory Type | LPDDR5X | GDDR6 |
| Tire Width | n/a | 128 bit |
| Memory speed | 8.4 Gbit/s | 12 Gbit/s |
| Shader Units | 896 | 2048 |
| TMUs | 56 | 64 |
| ROPs | 24 | 40 |
RAM
| RAM Size | 8 GB | 8 GB |
| Channels | 2x4 GB | 1x8 GB |
| Frequency | 8400 MHz | 3200 MHz |
| Type | LPDDR5X | DDR4 |
| Replaceable | No | Yes |
| Total Slots | n/a | 1 |
| Max RAM | n/a | 16 |
Storage
| Bus | PCI-E Gen 4.0 (4x) | PCI-E Gen 4.0 (4x) |
| Type | SSD (M2) | SSD (M2) |
| Channels | 1x512 GB | 1x512 GB |
| Replaceable | Yes | Yes |
| Total Slots | 1 | 1 |
| NVMe | Yes | Yes |
| Storage Capacity | 512 GB | 512 GB |
Sound
| Audio Formats | 2.0 | 2.0 |
| Dolby Atmos | Yes | No |
| Max Volume | 83.6 dB | 70.7 dB |
| Microphones | 2 | 2 |
Connectivity
| Wi-Fi version | v7 | v6E |
| Bluetooth version | 5.4 | 5.3 |
| Fingerprint sensor | Optional | Optional |
| IR sensor | Yes | No |
| CD drive | No | No |
| Webcam | Above Display | Above Display |
| Webcam Resolution | 1920x1080 | 1280x720 |
| USB-A | 1x3.2 | 2x3.2 |
| USB-C | 2x4.0 | 1x3.2 |
| Thunderbolt | Thunderbolt 4 | Thunderbolt 4 |
| HDMI | 1x2.1 | 1x2.1 |
| DisplayPort | No | No |
| VGA | No | No |
| 3.5 mm Audio Jack | Yes | Yes |
| Ethernet (RJ45) | No | No |
| Card Reader | No | No |
| Charging Port | No | Yes |
Keyboard & Touchpad
| Key Type | Island Layout | Island Layout |
| Numeric Keypad | No | No |
| Backlight | Yes | Yes |
| Key Travel | 1.4 mm | 1.4 mm |
| Size | 13.0x7.5 cm | 13.0x7.5 cm |
| Surface | Glass | Plastic |
| Windows Precision | Yes | Yes |
Note
Asus Zenbook 14 OLED (UX3405):
The 8 GB variant is equipped with LPDDR5 memory, unlike the others which use LPDDR5X.
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Attention!
Ports, display type, speakers, and specs may differ by model or country.
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