Lenovo ThinkPad X13 Gen 4 (21EX) vs. ASUS BR1402C (i381XA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad X13 Gen 4 (21EX) and ASUS BR1402C (i381XA). 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 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

ASUS BR1402C (i381XA) Review

Advantages and disadvantages of ASUS BR1402C (i381XA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

compact design

solid build quality

efficient multitasking

decent battery life

average display quality

limited storage capacity

no backlit keyboard

basic graphics card

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X13 Gen 4 (21EX) and ASUS BR1402C (i381XA)
86 % - Design
84 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
75 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X13 Gen 4 (21EX) vs. ASUS BR1402C (i381XA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 30.17 cm x 21.48 cm x 1.595 cm 33.29 cm x 22.89 cm x 2.1 cm
Weight 1.09 kg 1.56 kg
Case Material Aluminium (bottom), carbon fibre hybrid (top) Plastic
Colour Deep black Mineral grey
DISPLAY Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Screen Size (Type) 13.3" - IPS 14"
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare Anti-glare
PROCESSOR Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
CPU Intel Core i5 (13th Gen) 1335U / 1.3 GHz Intel Core i3 N305
Max Turbo Speed 4.6 GHz 3.8 GHz
Number of Cores 10-core 8-core
Cache 12 MB 6 MB
Platform Technology Intel Evo -
Features Integrated memory controller -
MEMORY Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
RAM 16 GB (provided memory is soldered) 8 GB (1 x 8 GB)
Max RAM Supported - 16 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz -
Rated Speed 6400 MHz -
Form Factor - SO-DIMM 262-pin
Slots Qty - 1
Empty Slots - 0
STORAGE Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 128 GB
AUDIO & VIDEO Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel UHD Graphics
Max Monitors Supported 3 external monitor(s) -
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 1080p Yes - 720p
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 Input: Dolby Voice, 360° far-field Output: Audio by Dirac
COMMUNICATIONS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.3
Wireless Controller Intel Wi-Fi 6E AX 211 -
Features Dual stream (2x2) Dual stream (2x2)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 54.7 Wh 50 Wh
AC ADAPTER Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt, 20 V, 2.25 A
INPUT Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, chiclet keyboard, 1.5mm travel distance
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Interfaces 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
HDMI
USB 2.0
2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1 (Power Delivery)
Headphone/microphone combo jack
SOFTWARE Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Operating System (OS) Windows 11 Pro - English Windows 11 Pro Education
Software Included Glance by Mirametrix, Intel Connectivity Performance Suite MyASUS, Microsoft 365 (1 month trial)
MISCELLANEOUS Lenovo ThinkPad X13 Gen 4 (21EX) ASUS BR1402C (i381XA)
Included Accessories USB-C slim power adapter USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Kensington nano security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) 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 System password, LED indicator, rubber bumper, MIL-STD-810H tested
Compliant Standards RoHS, Energy-using Products (EuP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 RoHS, REACH
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 - 3Y
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