ASUS ZenBook 14 UM425 vs VivoBook 15 X513 (K513)

You can select specific configurations for the laptops to get a more accurate comparative review
Display
CPU
GPU GeForce MX450 2GB
RAM
Storage

Review

Evaluation of ASUS ZenBook 14 UM425 and VivoBook 15 X513 (K513) important characteristics
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

What are the key differences between the notebooks
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 specs

Case

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 solution
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
Display tests
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
400 nits

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
2.822 TFLOPS

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
Ports
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
Keyboard type Island Island
Numpad No Yes
Backlight Yes Yes
Key travel 1.4 mm 1.4 mm
Touchpad
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.

Cast your vote

So, which laptop would you choose?
9 (69.2%)
4 (30.8%)
Total votes: 13

Comments

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