Lenovo ThinkPad E15 Gen 2 (20T9) vs. ASUS Vivobook 14X (K3405ZF)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad E15 Gen 2 (20T9) 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.

Lenovo ThinkPad E15 Gen 2 (20T9) Review

Advantages and disadvantages of Lenovo ThinkPad E15 Gen 2 (20T9) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good security features

decent battery life

solid performance

average display quality

heavier than competitors

no thunderbolt support

limited color accuracy

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 ThinkPad E15 Gen 2 (20T9) and ASUS Vivobook 14X (K3405ZF)
82 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
80 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 2 (20T9) vs. ASUS Vivobook 14X (K3405ZF) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 31.71 cm x 22.25 cm x 1.89 cm
Weight 1.7 kg 1.4 kg
Case Material Aluminum, polycarbonate ABS Aluminum
Colour Black Cool silver
DISPLAY Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Screen Size (Type) 15.6" - IPS 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 250 cd/m² 300 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare, 170° viewing angle Glossy
PROCESSOR Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
CPU AMD Ryzen 5 4500U / 2.3 GHz Intel Core i5 (12th Gen) 12450H / 2 GHz
Max Turbo Speed 4 GHz 4.4 GHz
Number of Cores 6-core 8-core
Cache L3 - 8 MB L3 - 12 MB
64-bit Computing Yes -
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
RAM 8 GB (provided memory is soldered) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported 24 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 1 1
Empty Slots 1 0
STORAGE Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) AMD Radeon Graphics NVIDIA GeForce RTX 2050 / Intel UHD Graphics
Video Memory - 4 GB GDDR6 SDRAM
Camera Yes - 720p Yes - HD
Camera Features Fixed focus, ThinkShutter camera privacy Privacy shutter
Sound Stereo speakers, dual array microphone Dual speakers, microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio -
Audio Features Harman/kardon stereo speakers Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster
COMMUNICATIONS Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller Intel Wi-Fi 6 AX 200 - M.2 Card -
Network Interface Gigabit Ethernet -
Ethernet Controller Realtek R8111GUS -
Features - Single stream (1x1)
BATTERY Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Technology 3-cell Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 45 Wh 50 Wh
Battery Life Up to 12.7 hours -
AC ADAPTER Lenovo ThinkPad E15 Gen 2 (20T9) 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 ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Slots 2 x M.2 Card (1 free) -
Interfaces USB 3.2 Gen 1 (Always On)
USB 2.0
USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery)
HDMI
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)
SOFTWARE Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Operating System (OS) Windows 10 Home 64-bit Edition Windows 11 Home
Software Included - MyASUS, ScreenXpert, GlideX
MISCELLANEOUS Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Vivobook 14X (K3405ZF)
Included Accessories USB-C power adapter Power adapter, wired mouse, Carry bag
Security Trusted Platform Module (TPM 2.0) Security Chip Firmware Trusted Platform Module (TPM) Security Chip
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested ASUS IceCool design, MIL-STD-810H tested
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, REACH
SAR Value 0.438 W/kg (body), 0.438 W/kg (limb) -
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
TCO Certified TCO Certified Notebooks 8 -
Model Number - LY134W
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