Lenovo ThinkBook 15 Gen 3 (AMD) vs Asus ZenBook 14X OLED (UX5400, Intel)

You can select specific configurations for the laptops to get a more accurate comparative review
Display
Battery 63 Wh
CPU
RAM
Storage

Review

Evaluation of Lenovo ThinkBook 15 Gen 3 (AMD) and Asus ZenBook 14X OLED (UX5400, Intel) 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

Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo ThinkBook 15 Gen 3 (AMD)
  • Includes an old-school USB-A port
  • User-upgradable RAM (up to 40GB)
Advantages of the Asus ZenBook 14X OLED (UX5400, Intel)
  • Easier to carry: weighs 300 grams less (around 0.66 lbs)
  • Thinner bezels and 17% higher screen-to-body ratio
  • Features a much bigger (~40%) battery – 63 against 45 watt-hours
  • Display has support for touch input
  • 65% sharper screen – 243 versus 147 pixels per inch (PPI)
  • Much smaller footprint: 21% more compact case (102.3 vs 130 square inches)
  • Provides 33% higher max. screen brightness: 400 vs 300 nits
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Tests and Specifications

Comparison table of test results and technical specs

Case

Weight 1.7 kg (3.75 lbs) 1.4 kg (3.09 lbs)
Dimensions 357 x 235 x 18.9 mm
14.06 x 9.25 x 0.74 inches
311.2 x 212.2 x 16.9 mm
12.25 x 8.35 x 0.67 inches
Area 839 cm2 (130.1 inches2) 660 cm2 (102.3 inches2)
Screen-to-body ratio ~73.9% ~86.1%
Side bezels 12.4 mm 4.8 mm
Colors Gray Gray, Purple
Transformer No No
Opening angle 180° -
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Number of fans 1 2
Noise level - 38 dB

Display

Size 15 inches 14 inches
Type IPS LCD OLED
Refresh rate 60 Hz 60 Hz
PPI 147 ppi 243 ppi
Aspect ratio 16:9 16:10
Resolution 1920 x 1080 pixels 2880 x 1800 pixels
HDR support No Yes, HDR10
Touchscreen No Yes
Coating Matte Glossy
Display tests
Contrast 1200:1 -
sRGB color space 100% 100%
DCI-P3 color gamut - 100%
Max. brightness

Battery

Capacity
Battery type Li-Po Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes Yes
Charging port position Left Right
Charge power 65 W 100 W
Weigh of AC adapter - 407 gramm

CPU

CPU name
Base frequency 2.6 GHz 0.9-2.4 GHz
Turbo frequency 3.8 GHz 4.2 GHz
Cores 4 4
Threads 8 8
L3 Cache 4 MB 8 MB
Integrated GPU Radeon RX Vega 6 Iris Xe Graphics G7 80EU
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
TGP 15 W 35 W
Type Integrated Dedicated
Fabrication process 7 nm 12 nm
GPU base clock 0 MHz 720-1395 MHz
GPU boost clock 1500 MHz 930-1575 MHz
FLOPS - 2.822 TFLOPS
Memory size System Shared 2 GB
Memory type DDR4 GDDR6
Memory bus - 64 bit
Memory speed 3.2 Gbps ~8-10 Gbps
Shading units 384 896
DirectX support 12.1 12

RAM

RAM size
Channels 2x4 GB 2x4 GB
Clock 3200 MHz 4266 MHz
Type DDR4 LPDDR4X
Upgradable Yes No
Total slots 2 2
Max. ram size 40 GB -

Storage

Storage size
Bus PCI-E Gen 3.0 (4x) PCI-E Gen 3.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x128 GB 1x512 GB
Upgradable Yes Yes
Total slots 2 1
NVMe Yes Yes

Sound

Audio chip Realtek ALC3287 -
Speakers 2.0 2.0
Power 2x2W -
Dolby Atmos Yes No
Loudness - 76.6 dB
Microphones 2 2

Connectivity

Wi-Fi standard v6 v6
Bluetooth v5.1 v5
Fingerprint Yes Yes
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1280 x 720 1280 x 720
Ports
USB-A 2x USB 3.2 1x USB 3.2
USB Type-C 2x USB 3.2 2x USB 4.0
Thunderbolt No Thunderbolt 4
HDMI 1x HDMI 1.4 1x HDMI 2.0
DisplayPort No No
VGA No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) Yes No
SD card reader Yes Yes
Proprietary charging port No No

Input

Keyboard
Keyboard type Island Island
Numpad Yes No
Backlight Yes Yes
Key travel - 1.4 mm
Touchpad
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can be different depending on the laptop’s particular configuration or region.

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