ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) vs. Lenovo ThinkPad X13s Gen 1 (21BX)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) and Lenovo ThinkPad X13s Gen 1 (21BX). 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.

Laptop Specifications Comparison

ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) vs. Lenovo ThinkPad X13s Gen 1 (21BX) Comparison Chart
DESIGN AND DIMENSIONS ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.35 cm x 22.47 cm x 1.96 cm 29.87 cm x 20.64 cm x 1.34 cm
Weight 1.75 kg 1.06 kg
Case Material Aluminum, magnesium alloy Glass-fibre reinforced plastic (bottom), magnesium-aluminium alloy (top)
Colour Tech black Thunder black
DISPLAY ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Screen Size (Type) 14.5" OLED 13.3" - IPS
Touchscreen Yes -
LCD Backlight Technology - LED backlight
Screen Resolution 2880 x 1800 (2.8K) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. 120 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 550 cd/m² 300 cd/m²
Colour Gamut 100% DCI-P3 100% sRGB
Features Eye-Care Technology, Low Blue Light technology, Pantone Validated, HDR 500 True Black, 0.2 ms response rate, 93% screen-to-body ratio Anti-glare, 170° viewing angle
PROCESSOR ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
CPU Intel Core i9 (12th Gen) 12900H / 2.5 GHz Qualcomm Snapdragon 8cx Gen 3
Max Turbo Speed 5 GHz 3 GHz
Number of Cores 14-core 8-core
Cache 24 MB L2 - 1 MB
Platform Technology Intel Evo -
Features - Integrated memory controller
MEMORY ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
RAM 32 GB (provided memory is soldered) 16 GB (provided memory is soldered)
RAM Type LPDDR5 SDRAM LPDDR4X SDRAM
Speed - 4266 MHz
Rated Speed - 4266 MHz
STORAGE ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 Ti / Intel Iris Xe Graphics Qualcomm Adreno 690
Max Monitors Supported - 2 external monitor(s)
Video Memory 4 GB GDDR6 SDRAM -
Camera Yes - 720p Yes
Resolution - 5 Megapixel
Camera Features IR camera, Windows Hello IR camera, fixed focus, e-camera shutter, MIPI
Sound Harman/kardon stereo speakers, array microphone Stereo speakers, 3-microphone array
Codec - Qualcomm WCD9385
Compliant Standards - High Definition Audio, Dolby Audio
COMMUNICATIONS ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Qualcomm WCN6855 Wi-Fi 6E
Features Dual stream (2x2) Dual stream (2x2)
WWAN
Generation - 5G
Controller - Qualcomm Snapdragon X55 - M.2 Card
BATTERY ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Technology 4-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 76 Wh 49.5 Wh
Battery Life - Up to 28 hours
AC ADAPTER ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 180 Watt, 20 V, 9 A 65 Watt
INPUT ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Type Keyboard, touchpad, ScreenPad Plus Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Chiclet keyboard, ASUS ErgoSense, 12.7" (2880x864) IPS-level touch display Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Slots - 1 x Nano-SIM card (1 free)
Interfaces HDMI
Headphone/microphone combo jack
USB 3.2 Gen 2
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card) -
SOFTWARE ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Operating System (OS) Windows 11 Home Windows 11 Pro (on ARM) - English
MISCELLANEOUS ASUS Zenbook Pro 14 Duo OLED (UX8402ZE) Lenovo ThinkPad X13s Gen 1 (21BX)
Included Accessories Stylus, power adapter, sleeve, stand USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features MIL-STD-810H tested, ASUS IceCool Plus Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified
Repairability Index 5.9 (out of 10) -
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty - Base warranty - 3 years - pick-up and return
Limited warranty - battery - 1 year
Extended warranty - 1 year - on-site
Model Number M3022W -
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