In depth comparison and review of Lenovo ThinkPad L14 Gen 3 (21C5) 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.
Advantages and disadvantages of Lenovo ThinkPad L14 Gen 3 (21C5) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
excellent keyboard comfort
good battery life
versatile connectivity options
mediocre display resolution
heavier design
limited graphics power
higher price point
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 L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 32.54 cm x 21.7 cm x 1.983 cm | 31.71 cm x 22.25 cm x 1.89 cm |
Weight | 1.39 kg | 1.4 kg |
Case Material | Polycarbonate ABS (bottom), polycarbonate ABS (top) | Aluminum |
Colour | Thunder black | Cool silver |
DISPLAY | Lenovo ThinkPad L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Screen Size (Type) | 14" - IPS | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 250 cd/m² | 300 cd/m² |
Colour Gamut | 45% NTSC | 45% NTSC |
Features | Anti-glare, 170° viewing angle | Glossy |
PROCESSOR | Lenovo ThinkPad L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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CPU | AMD Ryzen 5 Pro 5675U / 2.3 GHz | Intel Core i5 (12th Gen) 12450H / 2 GHz |
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Max Turbo Speed | 4.3 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 L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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RAM | 8 GB (1 x 8 GB) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
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Max RAM Supported | 64 GB | 16 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 3200 MHz | - |
Rated Speed | 3200 MHz | - |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | 1 | 0 |
STORAGE | Lenovo ThinkPad L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | AMD Radeon 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 L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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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 |
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Wireless Controller | AMD RZ616 - M.2 Card | - |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Realtek RTL8111EPV | - |
Compliant Standards | DASH | - |
Features | Wake-on-LAN (WOL), dual stream (2x2) | Single stream (1x1) |
WWAN |
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Generation | 4G upgradable | - |
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BATTERY | Lenovo ThinkPad L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Technology | Lithium polymer | 3-cell Lithium Ion |
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Battery Capacity (Size) | 57 Wh | 50 Wh |
AC ADAPTER | Lenovo ThinkPad L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 90 Watt, 19 V, 4.74 A |
INPUT | Lenovo ThinkPad L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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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 L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) HDMI USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN |
HDMI 2.1 Headphone/microphone combo jack 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 (Power Delivery) |
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Memory Card Reader | Yes (microSD) | - |
SOFTWARE | Lenovo ThinkPad L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - Dutch / English / French / German / Italian | Windows 11 Home |
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Software Included | - | MyASUS, ScreenXpert, GlideX |
MISCELLANEOUS | Lenovo ThinkPad L14 Gen 3 (21C5) | ASUS Vivobook 14X (K3405ZF) |
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Included Accessories | USB-C power adapter | Power adapter, wired mouse, Carry bag |
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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, self-healing BIOS, NVMe password | ASUS IceCool design, MIL-STD-810H tested |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, REACH |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 5 °C | - |
Humidity Range Operating | 8 - 95% | - |
Manufacturer Warranty | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
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Model Number | - | LY134W |