Lenovo IdeaPad S340-15API (Lenovo IdeaPad S340) vs. ASUS Vivobook 14X (K3405ZF)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad S340-15API (Lenovo IdeaPad S340) 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.

Lenovo IdeaPad S340-15API (Lenovo IdeaPad S340) Review

Advantages and disadvantages of Lenovo IdeaPad S340-15API (Lenovo IdeaPad S340) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

sleek design

lightweight build

decent battery life

fast SSD storage

average display quality

no backlit keyboard

limited port selection

mediocre graphics performance

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 IdeaPad S340-15API (Lenovo IdeaPad S340) and ASUS Vivobook 14X (K3405ZF)
73 % - Design
64 % - Display
72 % - Performance
72 % - Connectivity
76 % - Battery
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
80 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S340-15API (Lenovo IdeaPad S340) vs. ASUS Vivobook 14X (K3405ZF) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S340-15API (Lenovo IdeaPad S340) ASUS Vivobook 14X (K3405ZF)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.8 cm x 24.5 cm x 1.79 cm 31.71 cm x 22.25 cm x 1.89 cm
Weight 1.8 kg 1.4 kg
Case Material Aluminum, polycarbonate ABS Aluminum
Colour Abyss blue Cool silver
DISPLAY Lenovo IdeaPad S340-15API (Lenovo IdeaPad S340) ASUS Vivobook 14X (K3405ZF)
Screen Size (Type) 15.6" - TN 14" - IPS
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 220 cd/m² 300 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare Glossy
PROCESSOR Lenovo IdeaPad S340-15API (Lenovo IdeaPad S340) 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 S340-15API (Lenovo IdeaPad S340) 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 S340-15API (Lenovo IdeaPad S340) 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 S340-15API (Lenovo IdeaPad S340) 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 - 720p Yes - HD
Resolution 1 Megapixel -
Camera Features Privacy shutter Privacy shutter
Sound Stereo speakers, dual array 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 S340-15API (Lenovo IdeaPad S340) 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 S340-15API (Lenovo IdeaPad S340) ASUS Vivobook 14X (K3405ZF)
Technology Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 52.5 Wh 50 Wh
Battery Life Up to 8 hours -
AC ADAPTER Lenovo IdeaPad S340-15API (Lenovo IdeaPad S340) 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 S340-15API (Lenovo IdeaPad S340) 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 S340-15API (Lenovo IdeaPad S340) ASUS Vivobook 14X (K3405ZF)
Interfaces USB 3.1 Gen 1 (Always On)
USB 3.1 Gen 1
USB-C 3.1 Gen 1
Headphone/microphone combo jack
HDMI
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 S340-15API (Lenovo IdeaPad S340) 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 S340-15API (Lenovo IdeaPad S340) 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, RapidCharge ASUS IceCool design, MIL-STD-810H tested
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, REACH
SAR Value 0.847 W/kg (limb), 0.847 W/kg (body) -
ENERGY STAR Certified Yes -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number 15API 81NC LY134W
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