Lenovo ThinkPad X1 Extreme (20MG) vs. ASUS ZenBook 14 (UX425EA)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad X1 Extreme (20MG) and ASUS ZenBook 14 (UX425EA). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Lenovo ThinkPad X1 Extreme (20MG) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Extreme (20MG) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

powerful processor performance

excellent keyboard feel

high-resolution display

advanced security features

heavier than competitors

expensive price point

average battery life

limited color accuracy

ASUS ZenBook 14 (UX425EA) Review

Advantages and disadvantages of ASUS ZenBook 14 (UX425EA) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight and portable

fast ssd storage

excellent battery life

sharp display resolution

robust build quality

average graphics performance

no dedicated gpu

fewer usb ports

limited upgradeability

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X1 Extreme (20MG) and ASUS ZenBook 14 (UX425EA)
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery
85 % - Design
83 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Extreme (20MG) vs. ASUS ZenBook 14 (UX425EA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.18 cm x 24.57 cm x 1.87 cm 31.9 cm x 20.8 cm x 1.39 cm
Weight 1.8 kg 1.13 kg
Case Material Aluminum, glass-fibre reinforced plastic, carbon fibre reinforced plastic -
Colour Black Pine grey
DISPLAY Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Screen Size (Type) 15.6" - IPS 14"
Touchscreen Yes (10-point multi-touch) -
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 3840 x 2160 (Ultra HD 4K) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 400 cd/m² 400 cd/m²
Colour Gamut 100% 100% sRGB
Features Anti-reflective, capacitive touch screen, 170° viewing angle, Dolby Vision NanoEdge display, IPS-level
PROCESSOR Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
CPU Intel Core i7 (8th Gen) 8850H / 2.6 GHz Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz
Max Turbo Speed 4.3 GHz 4.2 GHz
Number of Cores 6-core Quad-Core
Cache 9 MB -
64-bit Computing Yes -
Chipset Mobile Intel CM246 -
Features Integrated memory controller -
MEMORY Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
RAM 16 GB (2 x 8 GB) 8 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM LPDDR4X SDRAM
Speed 2666 MHz -
Rated Speed 2666 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 0 -
STORAGE Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption, NVM Express (NVMe) - Samsung 256 GB SSD M.2 PCIe - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce GTX 1050 Ti / Intel UHD Graphics 630 Intel Iris Xe Graphics
Video Memory 4 GB GDDR5 SDRAM -
Camera Yes - 720p Yes - HD
Camera Features IR camera, ThinkShutter camera privacy IR camera, Windows Hello
Sound Stereo speakers, dual array microphone Stereo speakers, array microphone
Codec Realtek ALC3286 -
Compliant Standards High Definition Audio, Dolby Audio Premium, Dolby Atmos -
Audio Features - ASUS SonicMaster, Smart Amp
COMMUNICATIONS Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller Intel Wireless-AC 9560 - M.2 Card -
Features Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Technology 4-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 80 Wh 67 Wh
Battery Life Up to 14.9 hours -
AC ADAPTER Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 135 Watt, 20 V 65 Watt, 20 V, 3.25 A
INPUT Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Chiclet keyboard
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
Lenovo Ethernet extension connector
HDMI
USB 3.2 Gen 1
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) Yes (microSD)
SOFTWARE Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Home 64-bit Edition
MISCELLANEOUS Lenovo ThinkPad X1 Extreme (20MG) ASUS ZenBook 14 (UX425EA)
Included Accessories Power adapter USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader -
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested MIL-STD-810G tested, ErgoLift
Compliant Standards RoHS -
SAR Value 0.193 W/kg (body), 0.193 W/kg (limb) -
Repairability Index - 6.6 (out of 10)
ENERGY STAR Certified Yes -
Model Number - KI558T
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