ASUS ZenBook 14 UM425 vs VivoBook 15 X513 (K513)
You can 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
Case
Design, materials, durability and usability
NanoReview Score
Key Differences
Advantages of the ASUS ZenBook 14 UM425
- Significantly easier to carry: weighs 580 grams less (around 1.28 lbs)
- Can run popular games at about 72-98% higher FPS
- Around 2.1x better multi-core CPU performance in the Cinebench R23 test
- Higher number of cutting-edge USB Type-C ports: 2 versus 1
- Features a much bigger (~60%) battery – 67 against 42 watt-hours
- Much smaller footprint: 21% more compact case (103.8 vs 130.8 square inches)
- Provides 33% higher max. screen brightness: 400 vs 300 nits
Advantages of the ASUS VivoBook 15 X513 (K513)
- Includes an old-school USB-A port
- User-upgradable RAM (up to 16GB)
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Tests and Specifications
Comparison table of test results and technical specsCase
Weight | 1.22 kg (2.69 lbs) | 1.8 kg (3.97 lbs) |
Dimensions | 319 x 210 x 15.8 mm 12.56 x 8.27 x 0.62 inches |
359 x 235 x 17.9 mm 14.13 x 9.25 x 0.7 inches |
Area | 670 cm2 (103.9 inches2) | 844 cm2 (130.7 inches2) |
Screen-to-body ratio | ~80.6% | ~79.5% |
Side bezels | 4.6 mm | 6.8 mm |
Colors | Silver, Gray | White, Black, Silver, Gold, Blue |
Transformer | No | No |
Opening angle | - | 140° |
Size comparison
Cooling system | Active | Active |
Vapor chamber | No | No |
Number of fans | 1 | 2 |
Noise level (max. load) | 47 dB | 44.5 dB |
Display
Size | 14 inches | 15.6 inches |
Type | OLED | IPS LCD |
Refresh rate | 60 Hz | 60 Hz |
PPI | 157 ppi | 141 ppi |
Aspect ratio | 16:9 | 16:9 |
Resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
HDR support | No | No |
Touchscreen | No | No |
Coating | Matte | Matte |
Contrast | 1195:1 | - |
sRGB color space | 96.1% | 100% |
Adobe RGB profile | 65.9% | - |
DCI-P3 color gamut | 63.8% | - |
Response time | 24 ms | - |
Max. brightness
Battery
Capacity
Full charging time | - | 2:10 hr |
Battery type | Li-Ion | Li-Ion |
Replaceable | No | No |
Fast charging | Yes | Yes |
USB Power Delivery | Yes | No |
Charging port position | Left | Left |
Charge power | 65 / 100 W | 65 W |
Weigh of AC adapter | 214 grams | 200 grams |
CPU
CPU name
Base frequency | 2.1 GHz | 1.7-3.0 GHz |
Turbo frequency | 4 GHz | 4.1 GHz |
Cores | 6 | 2 |
Threads | 12 | 4 |
L3 Cache | 8 MB | 6 MB |
Integrated GPU | Radeon RX Vega 7 | Intel UHD Graphics Xe G4 |
Fabrication process | 7 nm | 10 nm |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Graphics Card
GPU name
Type | Dedicated | Dedicated |
Fabrication process | 12 nm | 14 nm |
GPU base clock | - | 1531 MHz |
GPU boost clock | - | 1594 MHz |
FLOPS | 2.822 TFLOPS | 1.22 TFLOPS |
Memory size | 2 GB | 2 GB |
Memory type | GDDR6 | GDDR5 |
Memory bus | 64 bit | 64 bit |
Memory speed | ~8-10 Gbps | ~7 Gbps |
Shading units (cores) | 896 | 384 |
Texture mapping units (TMUs) | 56 | 24 |
Raster operations pipelines (ROPs) | 32 | 16 |
GPU performance
RAM
RAM size
Channels | 2x4 GB | 1x4 GB |
Clock | 3733 MHz | 3200 MHz |
Type | LPDDR4X | DDR4 |
Upgradable | No | Yes |
Total slots | - | 2 |
Max. ram size | - | 16 GB |
Storage
Storage size
Bus | PCI-E Gen 3.0 (4x) | PCI-E Gen 3.0 (2x) |
Storage type | SSD (M2) | SSD (M2) |
Channels | 1x256 GB | 1x128 GB |
Upgradable | Yes | Yes |
Total slots | 1 | 1 |
NVMe | Yes | Yes |
Sound
Audio chip | Realtek ALC294 | - |
Speakers | 2.0 | 2.0 |
Dolby Atmos | No | No |
Loudness | 83 dB | 74 dB |
Microphones | 2 | 2 |
Connectivity
Wi-Fi standard | v6 | v6 |
Bluetooth | v5 | v5 |
Fingerprint | No | Optional |
Optical drive | No | No |
Webcam | Above the display | Above the display |
Webcam resolution | 1280 x 720 | 1280 x 720 |
USB-A | 1x USB 3.2 | 3x USB 3.2 |
USB Type-C | 2x USB 3.2 | 1x USB 3.2 |
Thunderbolt | No | No |
HDMI | 1x HDMI 2.0 | 1x HDMI 1.4 |
DisplayPort | No | No |
VGA | No | No |
Audio jack (3.5 mm) | Yes | Yes |
Ethernet (RJ45) | No | No |
SD card reader | Yes | Yes |
Proprietary charging port | No | Yes |
Input
Keyboard type | Island | Island |
Numpad | No | Yes |
Backlight | Yes | Yes |
Key travel | 1.4 mm | 1.4 mm |
Surface | Glass | Plastic |
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: 13