Lenovo ThinkPad T14s Gen 3 (21BR) vs. ASUS Vivobook 14X (K3405ZF)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad T14s Gen 3 (21BR) and ASUS Vivobook 14X (K3405ZF). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo ThinkPad T14s Gen 3 (21BR) Review

Advantages and disadvantages of Lenovo ThinkPad T14s Gen 3 (21BR) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

impressive battery life

strong processor performance

good security features

high price point

average display brightness

no dedicated GPU

limited color options

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 T14s Gen 3 (21BR) and ASUS Vivobook 14X (K3405ZF)
82 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
80 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T14s Gen 3 (21BR) vs. ASUS Vivobook 14X (K3405ZF) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T14s Gen 3 (21BR) ASUS Vivobook 14X (K3405ZF)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 31.75 cm x 22.69 cm x 1.66 cm 31.71 cm x 22.25 cm x 1.89 cm
Weight 1.21 kg 1.4 kg
Case Material Aluminium (bottom), carbon fibre hybrid (top) Aluminum
Colour Thunder black Cool silver
DISPLAY Lenovo ThinkPad T14s Gen 3 (21BR) ASUS Vivobook 14X (K3405ZF)
Screen Size (Type) 14" - 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 400 cd/m² 300 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, 170° viewing angle, Low Power, Eyesafe technology Glossy
PROCESSOR Lenovo ThinkPad T14s Gen 3 (21BR) ASUS Vivobook 14X (K3405ZF)
CPU Intel Core i5 (12th Gen) 1240P / 1.7 GHz Intel Core i5 (12th Gen) 12450H / 2 GHz
Max Turbo Speed 4.4 GHz 4.4 GHz
Number of Cores 12-core 8-core
Cache 12 MB L3 - 12 MB
Platform Technology Intel Evo -
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad T14s Gen 3 (21BR) 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 6400 MHz -
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE Lenovo ThinkPad T14s Gen 3 (21BR) ASUS Vivobook 14X (K3405ZF)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad T14s Gen 3 (21BR) 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 - 1080p Yes - HD
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter
Sound Stereo speakers, dual array microphone Dual speakers, microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features - Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster
COMMUNICATIONS Lenovo ThinkPad T14s Gen 3 (21BR) ASUS Vivobook 14X (K3405ZF)
Wireless Bluetooth 5.2, 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 Dual stream (2x2) Single stream (1x1)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad T14s Gen 3 (21BR) ASUS Vivobook 14X (K3405ZF)
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 57 Wh 50 Wh
AC ADAPTER Lenovo ThinkPad T14s Gen 3 (21BR) ASUS Vivobook 14X (K3405ZF)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 90 Watt, 19 V, 4.74 A
INPUT Lenovo ThinkPad T14s Gen 3 (21BR) 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 T14s Gen 3 (21BR) ASUS Vivobook 14X (K3405ZF)
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
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 T14s Gen 3 (21BR) 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 - English Windows 11 Home
Software Included Intel Connectivity Performance Suite MyASUS, ScreenXpert, GlideX
MISCELLANEOUS Lenovo ThinkPad T14s Gen 3 (21BR) 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, smart card 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 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% -
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Extended warranty - 1 year - on-site
Limited warranty - battery - 1 year
-
Model Number - LY134W
Other Comparisons with Lenovo ThinkPad T14s Gen 3 (21BR)
Other Comparisons with ASUS Vivobook 14X (K3405ZF)
Other Popular Laptop Comparisons
Other projects: