Lenovo ThinkPad X1 Carbon Gen 12 vs Asus Zenbook 14 OLED (Q425)

Please select specific configurations for the laptops to get a more accurate comparative review
Display
1920 x 1200
CPU
Intel Core Ultra 7 155H
RAM
Storage

Review

Evaluation of Lenovo ThinkPad X1 Carbon Gen 12 and Asus Zenbook 14 OLED (Q425) 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
Portability
Design, materials, durability and usability
Pick the usage scenario that best matches your needs
Primary usage:

Value for money (Beta)

Please input up-to-date prices for the selected laptop configurations to get an accurate value-for-money index.
Currency
VS
15.7
(Bad)
Value Index
63.6
(Average)

Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo ThinkPad X1 Carbon Gen 12
  • Easier to carry: weighs 190 grams less (around 0.42 lbs)
  • Includes an old-school USB-A port
  • Thinner bezels and 2% higher screen-to-body ratio
Advantages of the Asus Zenbook 14 OLED (Q425)
  • Around 37% better multi-core CPU performance in the Cinebench 2024 test
  • Features a much bigger (~32%) battery – 75 against 57 watt-hours
  • Can run popular games at about 10-14% higher FPS

Tests and Specifications

Comparison table of test results and technical specs

Case

Weight 1.09 kg (2.4 lbs) 1.28 kg (2.82 lbs)
Dimensions 312.8 x 214.75 x 14.96 mm
12.31 x 8.45 x 0.59 inches
312.4 x 220.1 x 14.9 mm
12.3 x 8.67 x 0.59 inches
Area 672 cm2 (104 inches2) 688 cm2 (106.6 inches2)
Screen-to-body ratio ~84.6% ~82.7%
Side bezels 5.7 mm 5.4 mm
Colors Black Gray
Material Top: Carbon fiber
Middle: Aluminum
Bottom: Aluminum
Aluminum
Transformer No No
Opening angle 180° 180°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Liquid metal No No
Number of fans 2 1
Noise level (max. load) 37.8 dB 51.4 dB

Display

Size 14 inches 14 inches
Type IPS LCD OLED
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No -
PPI 162 ppi 162 ppi
Aspect ratio 16:10 16:10
Resolution 1920 x 1200 pixels 1920 x 1200 pixels
HDR support No Yes, HDR10
Sync technology No No
Touchscreen Yes Yes
Coating Matte Glossy
Ambient light sensor Yes No
Display tests
Contrast - 1000000:1
sRGB color space 100% 100%
Adobe RGB profile - 99%
DCI-P3 color gamut - 100%
Response time - 1 ms
Max. brightness

Battery

Capacity
Full charging time 2:00 hr -
Battery type Li-Po Li-Ion
Replaceable No No
Fast charging Yes Yes
Charging via USB (Power Delivery) Yes Yes
Charging port position Left Right
Charge power 45 / 65 W 65 W
Weight of AC adapter 252 grams 217 grams

CPU

CPU name
Base frequency 1.2 GHz 1.4 GHz
Turbo frequency 4.5 GHz 4.8 GHz
Cores 14 (4P + 10E) 16 (6P + 10E)
Threads 18 22
L3 Cache 18 MB 24 MB
Integrated GPU Arc Graphics (7-Cores) Arc Graphics (8-Cores)
Fabrication process 7 nm 7 nm

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench 2024 (Single-Core)
Cinebench 2024 (Multi-Core)

Graphics Card

GPU name
TGP 28 W 28 W
Type Integrated Integrated
Fabrication process 5 nm 5 nm
GPU base clock 300 MHz 300 MHz
GPU boost clock 2200 MHz 2250 MHz
FLOPS 3.9 TFLOPS 4.6 TFLOPS
Memory size System Shared System Shared
Memory type LPDDR5X LPDDR5X
Memory speed 6.4 Gbps 7.47 Gbps
Shading units (cores) 896 1024
Texture mapping units (TMUs) 56 64
Raster operations pipelines (ROPs) 24 32
GPU performance 3.9 TFLOPS 4.6 TFLOPS
Expected FPS based on average performance across 9 popular games. Details

RAM

RAM size
Channels 2x8 GB 2x4 GB
Clock 6400 MHz 7467 MHz
Type LPDDR5X LPDDR5X
Upgradable No No

Storage

Storage size
Bus PCI-E Gen 4.0 (4x) PCI-E Gen 4.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x256 GB 1x512 GB
Upgradable Yes Yes
Total slots 1 1
NVMe Yes Yes

Sound

Audio chip Realtek ALC3306 -
Speakers 2.2 (2 tweeters and 2 woofers) 2.0
Power 2x2W 2x2W
Dolby Atmos Yes Yes
Loudness ~86 dB ~79.4 dB
Microphones 4 2

Connectivity

Wi-Fi standard v7 v6E
Bluetooth v5.4 v5.3
Fingerprint Yes No
Infrared sensor Optional Yes
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1920 x 1080 1920 x 1080
Ports
USB-A 2x USB 3.2 1x 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 No
Proprietary charging port No No

Input

Keyboard
Keyboard type Island Island
Numpad No No
Backlight Yes Yes
Key travel 1.5 mm 1.4 mm
Touchpad
Size 12.0 x 5.7 cm 12.9 x 7.3 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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