Lenovo ThinkPad X13 Gen 3 (21BQ) vs. ASUS Vivobook 14X (K3405ZF)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad X13 Gen 3 (21BQ) and ASUS Vivobook 14X (K3405ZF). 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.

Lenovo ThinkPad X13 Gen 3 (21BQ) Review

Advantages and disadvantages of Lenovo ThinkPad X13 Gen 3 (21BQ) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard experience

impressive battery life

strong security features

portable design

average display brightness

limited graphics performance

noisy under load

higher price point

ASUS Vivobook 14X (K3405ZF) Review

Advantages and disadvantages of ASUS Vivobook 14X (K3405ZF) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processor

lightweight and portable

vivid oled display

fast ssd storage

competitive price point

average battery life

limited port selection

no dedicated gpu

standard design

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X13 Gen 3 (21BQ) and ASUS Vivobook 14X (K3405ZF)
83 % - Design
72 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
80 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X13 Gen 3 (21BQ) vs. ASUS Vivobook 14X (K3405ZF) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 30.58 cm x 21.756 cm x 1.81 cm 31.71 cm x 22.25 cm x 1.89 cm
Weight 1.26 kg 1.4 kg
Case Material Polyphenylene sulfide (top), aluminium (bottom) Aluminum
Colour Thunder black Cool silver
DISPLAY Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Screen Size (Type) 13.3" - IPS 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 72% NTSC 45% NTSC
Features Anti-glare, 170° viewing angle Glossy
PROCESSOR Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
CPU Intel Core i5 (12th Gen) 1245U / 1.6 GHz Intel Core i5 (12th Gen) 12450H / 2 GHz
Max Turbo Speed 4.4 GHz 4.4 GHz
Number of Cores 10-core 8-core
Cache 12 MB L3 - 12 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
RAM 16 GB (provided memory is soldered) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported - 16 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz -
Rated Speed 4800 MHz -
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel Iris Xe Graphics NVIDIA GeForce RTX 2050 / Intel UHD Graphics
Max Monitors Supported 3 external monitor(s) -
Video Memory - 4 GB GDDR6 SDRAM
Camera Yes - 720p Yes - HD
Camera Features Privacy shutter, fixed focus Privacy shutter
Sound Stereo speakers, dual array microphone Dual speakers, microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio, Dolby Voice -
Audio Features - Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster
COMMUNICATIONS Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller Intel Wi-Fi 6E AX 211 -
Features - Single stream (1x1)
BATTERY Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Technology 4-cell lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 54.7 Wh 50 Wh
AC ADAPTER Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 15 / 20 V 90 Watt, 19 V, 4.74 A
INPUT Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
HDMI 2.1
Headphone/microphone combo jack
2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1 (Power Delivery)
SOFTWARE Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 11 Home
Software Included - MyASUS, ScreenXpert, GlideX
MISCELLANEOUS Lenovo ThinkPad X13 Gen 3 (21BQ) ASUS Vivobook 14X (K3405ZF)
Included Accessories USB-C power adapter Power adapter, wired mouse, Carry bag
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
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, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication ASUS IceCool design, MIL-STD-810H tested
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, REACH
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Model Number - LY134W
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