ASUS 14 (X409FA) vs. Lenovo ThinkPad X13 Gen 4 (21EX)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS 14 (X409FA) and Lenovo ThinkPad X13 Gen 4 (21EX). 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.

ASUS 14 (X409FA) Review

Advantages and disadvantages of ASUS 14 (X409FA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

compact design

solid build quality

adequate performance

easy portability

average battery life

basic display quality

limited graphics capability

no backlit keyboard

Lenovo ThinkPad X13 Gen 4 (21EX) Review

Advantages and disadvantages of Lenovo ThinkPad X13 Gen 4 (21EX) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

impressive security features

good battery life

portable design

average display brightness

limited graphics performance

noisy under load

higher price point

Laptop Comparison and Tests

Difference between ASUS 14 (X409FA) and Lenovo ThinkPad X13 Gen 4 (21EX)
76 % - Design
72 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery
86 % - Design
84 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS 14 (X409FA) vs. Lenovo ThinkPad X13 Gen 4 (21EX) Comparison Chart
DESIGN AND DIMENSIONS ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.5 cm x 21.6 cm x 2.29 cm 30.17 cm x 21.48 cm x 1.595 cm
Weight 1.6 kg 1.09 kg
Case Material - Aluminium (bottom), carbon fibre hybrid (top)
Colour Slate grey Deep black
DISPLAY ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Screen Size (Type) 14" 13.3" - 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 - 300 cd/m²
Colour Gamut 45% NTSC 100% sRGB
Features Anti-glare Anti-glare
PROCESSOR ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
CPU Intel Core i5 (8th Gen) 8265U / 1.6 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 3.9 GHz 4.6 GHz
Number of Cores Quad-Core 10-core
Cache 6 MB 12 MB
64-bit Computing Yes -
Platform Technology - Intel Evo
Features - Integrated memory controller
MEMORY ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 16 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed - 4800 MHz
Rated Speed - 6400 MHz
Form Factor SO-DIMM 260-pin -
STORAGE ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - VGA Yes - 1080p
Camera Features - Privacy shutter, fixed focus
Sound Speaker, microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards - High Definition Audio, Dolby Audio
Audio Features - Input: Dolby Voice, 360° far-field
COMMUNICATIONS ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Intel Wi-Fi 6E AX 211
Features - Dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 42 Wh 54.7 Wh
AC ADAPTER ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 19 V, 2.37 A 65 Watt
INPUT ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Keyboard Backlight - Yes
Features Chiclet keyboard Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Interfaces Headphone/microphone combo jack
USB 3.1 Gen 1
2 x USB 2.0
USB-C 3.1 Gen 1
HDMI
LAN
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0)
HDMI 2.1 (4K support)
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) -
SOFTWARE ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Operating System (OS) Windows 10 Home 64-bit Edition Windows 11 Pro - English
Software Included - Glance by Mirametrix, Intel Connectivity Performance Suite
MISCELLANEOUS ASUS 14 (X409FA) Lenovo ThinkPad X13 Gen 4 (21EX)
Included Accessories Power adapter USB-C slim power adapter
Security - Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features - Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards - RoHS, Energy-using Products (EuP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
SAR Value 0.196 W/kg (body), 0.196 W/kg (limb) -
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty - Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 1 year - on-site - response time: next business day
Model Number EK034T -
Other projects: