In depth comparison and review of ASUS ExpertBook B5 (B5402CEA) and Lenovo ThinkPad T14 Gen 3 (21CF). 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.
Advantages and disadvantages of ASUS ExpertBook B5 (B5402CEA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust security features
efficient multitasking performance
long battery life
fast charging support
average display quality
limited graphics performance
higher price point
noisy under load
Advantages and disadvantages of Lenovo ThinkPad T14 Gen 3 (21CF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful processor options
good battery life
impressive security features
heavier than competitors
average display brightness
limited color options
expensive base model
| DESIGN AND DIMENSIONS | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 32.34 cm x 22.31 cm x 1.8 cm | 31.77 cm x 22.69 cm x 1.79 cm |
| Weight | 1.22 kg | 1.32 kg |
| Case Material | Aluminum, magnesium-aluminum alloy | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) |
| Colour | Star black | Thunder black |
| DISPLAY | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Screen Size (Type) | 14" | 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 | 400 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, 85% screen-to-body ratio | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| CPU | Intel Core i5 (11th Gen) 1155G7 / 2.5 GHz | AMD Ryzen 5 Pro 6650U / 2.9 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4.5 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 8 MB | L3 - 16 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | - | 6400 MHz |
| Rated Speed | - | 6400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon 660M |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | Yes - 720p | Yes - 1080p |
| Camera Features | Privacy shutter, IR camera, Windows Hello | Privacy shutter, IR camera, fixed focus |
| Sound | Stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio, Dolby Voice |
| COMMUNICATIONS | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | Qualcomm NFA725A |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111EPV |
| Compliant Standards | - | DASH |
| Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Technology | 3-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 63 Wh | 52.5 Wh |
| Battery Life | - | Up to 21.1 hours |
| AC ADAPTER | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 45 Watt |
| INPUT | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Type | Keyboard, 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 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Slots | 2 x M.2 (PCI Express 3.0 x4) (1 free) | - |
|---|---|---|
| Interfaces | USB 2.0 LAN Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Operating System (OS) | Windows 11 Pro | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - French |
|---|---|---|
| Software Included | - | Glance by Mirametrix |
| MISCELLANEOUS | ASUS ExpertBook B5 (B5402CEA) | Lenovo ThinkPad T14 Gen 3 (21CF) |
|---|
| Included Accessories | Power adapter | USB-C power 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, smart card 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 | ErgoLift, MIL-STD-810H tested | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, USB FIDO (Fast Identity Online) device integration, certificate based BIOS authentication |
| Compliant Standards | CTR 21, UL 1459, FCC Part 15 Class B, JIS C 0950, EU RoHS, EU REACH | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
| 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 Extended warranty - 1 year - on-site Base warranty - battery - 1 year |
| Model Number | KI0266X | - |
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