In depth comparison and review of Lenovo ThinkBook 15-IIL (20SM) and ASUS ZenBook 14X OLED (UX5401FEA). 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.
Advantages and disadvantages of Lenovo ThinkBook 15-IIL (20SM) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
solid build quality
decent battery life
good processor performance
adequate storage options
average display quality
limited graphics capability
no thunderbolt support
heavier design
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
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.4 cm x 24.5 cm x 1.89 cm | 31.1 cm x 22.3 cm x 1.59 cm |
| Weight | 1.8 kg | 1.4 kg |
| Case Material | Aluminum, polycarbonate ABS | - |
| Colour | Mineral grey | Pine grey |
| DISPLAY | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" OLED |
|---|---|---|
| Touchscreen | - | Yes |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (4K) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 550 cd/m² |
| Colour Gamut | - | 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 ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| CPU | Intel Core i5 (10th Gen) 1035G1 / 1 GHz | Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 4.7 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2666 MHz | - |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | ThinkShutter camera privacy | - |
| 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: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 63 Wh |
| Battery Life | Up to 9 hours | - |
| AC ADAPTER | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 100 Watt, 20 V, 5 A |
| INPUT | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Type | Keyboard, touchpad | Keyboard, stylus, NumberPad 2.0 |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Interfaces | USB 2.0 USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) HDMI 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 | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - French | Windows 11 Pro |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | McAfee LiveSafe, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkBook 15-IIL (20SM) | ASUS ZenBook 14X OLED (UX5401FEA) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM) 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 | System password, ErgoLift, MIL-STD-810H tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | SGS Eye Care Display Certification |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | KU106X |
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