ASUS ExpertBook B5 (B5402FBAV) vs. Lenovo ThinkPad T14s Gen 4 (21F9)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS ExpertBook B5 (B5402FBAV) and Lenovo ThinkPad T14s Gen 4 (21F9). 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.

ASUS ExpertBook B5 (B5402FBAV) Review

Advantages and disadvantages of ASUS ExpertBook B5 (B5402FBAV) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight design

robust security features

fast charging support

high-resolution display

efficient performance

average battery life

limited graphics power

higher price point

noisy under load

Lenovo ThinkPad T14s Gen 4 (21F9) Review

Advantages and disadvantages of Lenovo ThinkPad T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

impressive battery life

powerful processor options

bright display

higher price point

limited graphics performance

no OLED option

heavier than competitors

Laptop Comparison and Tests

Difference between ASUS ExpertBook B5 (B5402FBAV) and Lenovo ThinkPad T14s Gen 4 (21F9)
83 % - Design
85 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS ExpertBook B5 (B5402FBAV) vs. Lenovo ThinkPad T14s Gen 4 (21F9) Comparison Chart
DESIGN AND DIMENSIONS ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.34 cm x 22.31 cm x 1.8 cm 31.75 cm x 22.69 cm x 1.69 cm
Weight 1.38 kg 1.26 kg
Case Material - Aluminium (bottom), carbon fibre hybrid (top)
Colour Star black Deep black
DISPLAY ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Screen Size (Type) 14" 14" - IPS
Touchscreen Yes Yes (10-point multi-touch)
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 400 cd/m² 300 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, WideView, one glass metal mesh (OGM), 85% screen-to-body ratio Anti-glare, on-cell touch technology
PROCESSOR ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
CPU Intel Core i5 (12th Gen) 1240P / 1.7 GHz AMD Ryzen 5 Pro 7540U / 3.2 GHz
Max Turbo Speed 4.4 GHz 4.9 GHz
Number of Cores 12-core 6-core
Cache 12 MB L3 - 16 MB
Features Intel Smart Cache Integrated memory controller
MEMORY ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
RAM 16 GB 16 GB (provided memory is soldered)
Max RAM Supported 40 GB -
RAM Type DDR5 SDRAM LPDDR5X SDRAM
Speed - 6400 MHz
Rated Speed - 7500 MHz
Form Factor SO-DIMM 262-pin -
Slots Qty 1 -
STORAGE ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 4.0 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon 740M
Max Monitors Supported - 3 external monitor(s)
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 720p Yes
Resolution - 5 Megapixel
Camera Features Privacy shutter, IR camera, Windows Hello Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection
Sound Speakers, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards Dolby Atmos High Definition Audio, Dolby Audio
Audio Features - Input: Dolby Voice, 360° far-field
COMMUNICATIONS ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Qualcomm NFA725A
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) -
BATTERY ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 63 Wh 57 Wh
AC ADAPTER ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 20 V, 3.25 A 65 Watt
INPUT ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Type Keyboard, stylus, NumberPad Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Chiclet keyboard, 1.5mm travel distance Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Slots 2 x M.2 (PCI Express 4.0 x4) (1 free) -
Interfaces USB 3.2 Gen 2
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
HDMI
USB 2.0
LAN
Headphone/microphone combo jack
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
Headphone/microphone combo jack
LAN (on supplied adapter)
Memory Card Reader Yes (microSD) -
SOFTWARE ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Operating System (OS) Windows 11 Pro Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included - Glance by Mirametrix
MISCELLANEOUS ASUS ExpertBook B5 (B5402FBAV) Lenovo ThinkPad T14s Gen 4 (21F9)
Included Accessories USB-C power adapter, MPP 2.0 garaged stylus USB-C power adapter, Lenovo USB-C to Ethernet Adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader
Security Slot Type Kensington nano security slot Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features MIL-STD-810H tested Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number HYI5X -
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