Detailed comparison and review of Lenovo ThinkBook 14 G4+ IAP (21CX) 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.
Advantages and disadvantages of Lenovo ThinkBook 14 G4+ IAP (21CX) based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum design
efficient thermal management
sharp full hd display
modern connectivity options
fast ssd storage
average battery life
no dedicated gpu
limited color accuracy
higher price segment
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 ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 31.2 cm x 22.4 cm x 1.65 cm | 31.71 cm x 22.25 cm x 1.89 cm |
Weight | 1.4 kg | 1.4 kg |
Case Material | Aluminium (top), aluminium (bottom) | Aluminum |
Colour | Dual tone arctic grey | Cool silver |
DISPLAY | Lenovo ThinkBook 14 G4+ IAP (21CX) | 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 1200 (WUXGA) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 300 cd/m² | 300 cd/m² |
Colour Gamut | 45% NTSC | 45% NTSC |
Features | Anti-glare | Glossy |
PROCESSOR | Lenovo ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | Intel Core i5 (12th Gen) 12450H / 2 GHz |
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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 ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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RAM | 16 GB (provided memory is soldered) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
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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 ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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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, 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 ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
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Wireless Controller | M.2 Card | - |
Network Interface | Gigabit Ethernet | - |
Features | Dual stream (2x2) | Single stream (1x1) |
BATTERY | Lenovo ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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Technology | Lithium polymer | 3-cell Lithium Ion |
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Battery Capacity (Size) | 46.5 Wh | 50 Wh |
AC ADAPTER | Lenovo ThinkBook 14 G4+ IAP (21CX) | 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 | 100 Watt | 90 Watt, 19 V, 4.74 A |
INPUT | Lenovo ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad | 1.4mm travel distance, ASUS ErgoSense |
CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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Slots | 1 x M.2 (PCI Express 3.0 x4) (1 free) 1 x M.2 (PCI Express 4.0 x4) (0 free) |
- |
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Interfaces | USB 2.0 (hidden) USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) HDMI USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) LAN 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) |
Memory Card Reader | 3 in 1 (SD Card, SDHC Card, SDXC Card) | - |
SOFTWARE | Lenovo ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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Operating System (OS) | Windows 11 Pro - English | Windows 11 Home |
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Software Included | Microsoft Office (Trial) | MyASUS, ScreenXpert, GlideX |
MISCELLANEOUS | Lenovo ThinkBook 14 G4+ IAP (21CX) | ASUS Vivobook 14X (K3405ZF) |
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Included Accessories | USB-C slim wall mount power adapter | Power adapter, wired mouse, Carry bag |
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Security | Firmware 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, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS | ASUS IceCool design, MIL-STD-810H tested |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) | 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 | Limited warranty - 1 year - pick-up and return | - |
Model Number | - | LY134W |