In depth comparison and review of Lenovo IdeaPad S145-15API (81UT) 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 IdeaPad S145-15API (81UT) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent processor performance
sufficient connectivity options
simple user interface
average display quality
limited battery life
modest graphics capability
no backlight keyboard
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 IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.22 cm x 25.15 cm x 1.99 cm | 31.71 cm x 22.25 cm x 1.89 cm |
| Weight | 1.85 kg | 1.4 kg |
| Case Material | Polycarbonate ABS | Aluminum |
| Colour | Granite black IMR | Cool silver |
| DISPLAY | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Screen Size (Type) | 15.6" - TN | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 220 cd/m² | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Glossy |
| PROCESSOR | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| CPU | AMD Ryzen 3 3200U / 2.6 GHz | Intel Core i5 (12th Gen) 12450H / 2 GHz |
|---|---|---|
| Max Turbo Speed | 3.5 GHz | 4.4 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | L3 - 4 MB | L3 - 12 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| RAM | 4 GB (provided memory is soldered) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 12 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon Vega 3 | NVIDIA GeForce RTX 2050 / Intel UHD Graphics |
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Camera | Yes | Yes - HD |
| Resolution | 0.3 Megapixel | - |
| Camera Features | - | Privacy shutter |
| Sound | Stereo speakers, microphone | Dual speakers, microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | - | Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster |
| COMMUNICATIONS | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Features | Single stream (1x1) | Single stream (1x1) |
| BATTERY | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 30 Wh | 50 Wh |
| Battery Life | Up to 4 hours | - |
| AC ADAPTER | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 90 Watt, 19 V, 4.74 A |
| INPUT | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | 1.4mm travel distance, ASUS ErgoSense |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Interfaces | USB 2.0 2 x USB 3.1 Gen 1 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) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | MyASUS, ScreenXpert, GlideX |
| MISCELLANEOUS | Lenovo IdeaPad S145-15API (81UT) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Included Accessories | Power adapter | Power adapter, wired mouse, Carry bag |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Features | Administrator password, hard drive password, power-on password | ASUS IceCool design, MIL-STD-810H tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS, REACH |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | LY134W |
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