Side by side comparison and review of Lenovo ThinkPad T14s Gen 4 (21F9) and ASUS Vivobook 14X (K3405ZF). 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.
Advantages and disadvantages of Lenovo ThinkPad T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
powerful processor options
bright display
higher price point
limited graphics performance
no OLED option
heavier than competitors
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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 31.75 cm x 22.69 cm x 1.69 cm | 31.71 cm x 22.25 cm x 1.89 cm |
| Weight | 1.26 kg | 1.4 kg |
| Case Material | Aluminium (bottom), carbon fibre hybrid (top) | Aluminum |
| Colour | Deep black | Cool silver |
| DISPLAY | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Screen Size (Type) | 14" - IPS | 14" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare, on-cell touch technology | Glossy |
| PROCESSOR | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS Vivobook 14X (K3405ZF) |
|---|
| CPU | AMD Ryzen 5 Pro 7540U / 3.2 GHz | Intel Core i5 (12th Gen) 12450H / 2 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4.4 GHz |
| Number of Cores | 6-core | 8-core |
| Cache | L3 - 16 MB | L3 - 12 MB |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad T14s Gen 4 (21F9) | 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 | LPDDR5X SDRAM | DDR4 SDRAM |
| Speed | 6400 MHz | - |
| Rated Speed | 7500 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon 740M | NVIDIA GeForce RTX 2050 / Intel UHD Graphics |
| Max Monitors Supported | 3 external monitor(s) | - |
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Camera | Yes | Yes - HD |
| Resolution | 5 Megapixel | - |
| Camera Features | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Dual speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Input: Dolby Voice, 360° far-field | Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster |
| COMMUNICATIONS | Lenovo ThinkPad T14s Gen 4 (21F9) | 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 | Qualcomm NFA725A | - |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Technology | Lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 50 Wh |
| AC ADAPTER | Lenovo ThinkPad T14s Gen 4 (21F9) | 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 4 (21F9) | 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 4 (21F9) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 (Always On) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack LAN (on supplied adapter) |
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 4 (21F9) | 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 | Glance by Mirametrix | MyASUS, ScreenXpert, GlideX |
| MISCELLANEOUS | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Included Accessories | USB-C power adapter, Lenovo USB-C to Ethernet Adapter | Power adapter, wired mouse, Carry bag |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication | ASUS IceCool design, 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 | RoHS, REACH |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Model Number | - | LY134W |
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