Lenovo ThinkPad L15 Gen 4 (21H3) vs. ASUS ZenBook 14X OLED (UX5401FEA)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad L15 Gen 4 (21H3) and ASUS ZenBook 14X OLED (UX5401FEA). 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 L15 Gen 4 (21H3) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 4 (21H3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust connectivity options

supports fast charging

dedicated nvidia gpu

upgradeable ram and storage

solid build quality

average battery capacity

basic 250-nit display

limited cpu performance

no fingerprint reader

ASUS ZenBook 14X OLED (UX5401FEA) Review

Advantages and disadvantages of ASUS ZenBook 14X OLED (UX5401FEA) based on its technical characteristics, features, user experience, expert reviews and price level.

vibrant oled display

compact lightweight design

powerful intel processor

fast ssd storage

good battery life

limited port selection

higher price point

no dedicated gpu

average speaker quality

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 4 (21H3) and ASUS ZenBook 14X OLED (UX5401FEA)
83 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery
86 % - Design
87 % - Display
86 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 4 (21H3) vs. ASUS ZenBook 14X OLED (UX5401FEA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 31.1 cm x 22.3 cm x 1.59 cm
Weight 1.77 kg 1.4 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) -
Colour Thunder black Pine grey
DISPLAY Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Screen Size (Type) 15.6" - IPS 14" OLED
Touchscreen - Yes
Screen Resolution 1920 x 1080 (Full HD) 3840 x 2400 (4K)
V-Sync Rate at Max Res. 60 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 550 cd/m²
Colour Gamut 45% NTSC 100% DCI-P3
Colour Support - 1.07 billion colours
Features Anti-glare Blue light reduction, Pantone Validated, HDR 500 True Black, 88% screen-to-body ratio, 0.2 ms response rate
PROCESSOR Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
CPU Intel Core i5 (13th Gen) 1335U / 1.3 GHz Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz
Max Turbo Speed 4.6 GHz 4.7 GHz
Number of Cores 10-core Quad-Core
Cache 12 MB 12 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
RAM 16 GB (1 x 16 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 3200 MHz -
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) -
Video System Features Functions as Intel UHD graphics (for single-channel memory) Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera -
Sound Stereo speakers, dual array microphone Harman/kardon stereo speakers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features Input: Dolby Voice, far-field Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax, Bluetooth 5.3
Wireless Controller Intel Wi-Fi 6 AX 201 - M.2 Card -
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Intel I219-V -
Features Wake-on-LAN (WOL), dual stream (2x2) Dual stream (2x2)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 57 Wh 63 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 100 Watt, 20 V, 5 A
INPUT Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Type Keyboard, TrackPoint, UltraNav Keyboard, stylus, NumberPad 2.0
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Chiclet keyboard
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
HDMI 2.0b
Headphone/microphone combo jack
USB 3.2 Gen 2
2 x Thunderbolt 4 (supports DisplayPort) (Power Delivery)
LAN (on supplied adapter)
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Operating System (OS) Windows 11 Pro - English Windows 11 Pro
Software Included - McAfee LiveSafe, Microsoft 365 (1 month trial)
MISCELLANEOUS Lenovo ThinkPad L15 Gen 4 (21H3) ASUS ZenBook 14X OLED (UX5401FEA)
Included Accessories USB-C power adapter USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password System password, ErgoLift, MIL-STD-810H tested
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 SGS Eye Care Display Certification
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site - response time: next business day
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Model Number - KU106X
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