Lenovo ThinkPad X240 (20AM) vs. ASUS Zenbook Pro 14 OLED (UX6404VI)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad X240 (20AM)
Lenovo ThinkPad X240 (20AM)

In depth comparison and review of Lenovo ThinkPad X240 (20AM) and ASUS Zenbook Pro 14 OLED (UX6404VI). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

ASUS Zenbook Pro 14 OLED (UX6404VI) Review

Advantages and disadvantages of ASUS Zenbook Pro 14 OLED (UX6404VI) based on its technical characteristics, features, user experience, expert reviews and price level.

stunning oled display

powerful processor performance

sleek, lightweight design

high-speed connectivity options

innovative cooling system

average battery life

limited port selection

higher price point

no dedicated numeric keypad.

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X240 (20AM) and ASUS Zenbook Pro 14 OLED (UX6404VI)
82 % - Design
88 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X240 (20AM) vs. ASUS Zenbook Pro 14 OLED (UX6404VI) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Product Type Notebook Notebook
Dimensions (WxDxH) 30.55 cm x 20.85 cm x 1.99 cm 32.18 cm x 22.33 cm x 1.79 cm
Weight 1.47 kg 1.65 kg
Case Material Glass-fibre reinforced plastic Aluminum
Colour - Tech black
DISPLAY Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Screen Size (Type) 12.5" 14.5" OLED
Touchscreen - Yes
LCD Backlight Technology LED backlight -
Screen Resolution 1366 x 768 (HD) 2880 x 1800 (2.8K)
V-Sync Rate at Max Res. - 120 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness - 550 cd/m²
Colour Gamut - 100% DCI-P3
Colour Support - 1.07 billion colours
Features Anti-glare Glossy, HDR (high dynamic range), Pantone Validated, HDR 500 True Black, 0.2 ms response rate
PROCESSOR Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
CPU Intel Core i3 (4th Gen) 4010U / 1.7 GHz Intel Core i9 (13th Gen) 13900H
Max Turbo Speed - 5.4 GHz
Number of Cores Dual-Core 14-core
Cache 3 MB 24 MB
64-bit Computing Yes -
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
RAM 2 GB (1 x 2 GB) 16 GB (provided memory is soldered)
Max RAM Supported 8 GB 48 GB
RAM Type DDR3L SDRAM DDR5 SDRAM
Speed 1600 MHz / PC3L-12800 -
Rated Speed 1600 MHz -
Form Factor SO-DIMM 204-pin SO-DIMM 262-pin
Slots Qty 1 1
Empty Slots 0 1
STORAGE Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Main Storage Size (HDD/SSD) 500 GB HDD SATA 6Gb/s / 7200 rpm 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel HD Graphics 4400 NVIDIA GeForce RTX 4070 / Intel Iris Xe Graphics
Video Memory - 8 GB GDDR6 SDRAM
Camera Yes - 720p Yes - Full HD
Camera Features Face tracking IR camera, Windows Hello
Sound Stereo speakers, two microphones Harman/kardon stereo speakers, 3-microphone array
Codec Realtek ALC3232 -
Compliant Standards High Definition Audio, Dolby Advanced Audio v2 Dolby Atmos
Audio Features - Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Wireless 802.11b/g/n, Bluetooth 4.0 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller M.2 Card -
Network Interface Gigabit Ethernet -
Ethernet Controller Intel I218-V -
Features - Dual stream (2x2)
WWAN
Generation WWAN -
BATTERY Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Technology 6-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 47 Wh 76 Wh
AC ADAPTER Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt 200 Watt, 20 V, 10 A
INPUT Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Interfaces 2 x USB 3.0
VGA
Mini DisplayPort
LAN
Dock
Headphone/microphone combo jack
Headphone/microphone combo jack
USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI 2.1
Thunderbolt 4 (supports DisplayPort) (Power Delivery)
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (SD Card)
SOFTWARE Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Operating System (OS) Microsoft Windows 7 Professional 64-bit Edition - French Windows 11 Home
Software Included - McAfee LiveSafe (30 days trial), Microsoft 365 (1 month trial)
MISCELLANEOUS Lenovo ThinkPad X240 (20AM) ASUS Zenbook Pro 14 OLED (UX6404VI)
Dockable Yes -
Included Accessories Power adapter Power adapter
Security Trusted Platform Module (TPM 1.2) Security Chip Trusted Platform Module (TPM 2.0) Security Chip
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, ThinkVantage Active Protection System, 1 USB 3.0 (Always On), MIL-STD-810G tested MIL-STD-810H tested, ASUS IceCool Pro
Compliant Standards RoHS, GREENGUARD RoHS, REACH, TUV Rheinland, SGS Eye Care Display Certification
ENERGY STAR Certified Yes -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number - P1056W
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