In depth comparison and review of ASUS ExpertBook B1 (B1400CDA) and Lenovo ThinkPad L13 Gen 3 (21B4). 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 B1 (B1400CDA) based on its technical characteristics, features, user experience, expert reviews and price level.
robust military-grade durability
efficient multitasking capabilities
comprehensive connectivity options
lightweight and portable design
reasonable price point
average battery life
mediocre display quality
limited graphics performance
noisy under load
Advantages and disadvantages of Lenovo ThinkPad L13 Gen 3 (21B4) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
good keyboard feel
adequate connectivity options
competitive price point
average display quality
modest battery life
limited graphics power
noisy under load
| DESIGN AND DIMENSIONS | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.34 cm x 21.56 cm x 1.92 cm | 30.5 cm x 21.8 cm x 1.73 cm |
| Weight | 1.46 kg | 1.26 kg |
| Case Material | Aluminum, plastic | Aluminium (top), glass-fibre reinforced plastic (bottom) |
| Colour | Black (bottom), star black (LCD cover), star black (top) | Thunder black |
| DISPLAY | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Screen Size (Type) | 14" | 13.3" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | 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 | 72% NTSC |
| Features | Anti-glare, IPS-level | Anti-glare, capacitive touch screen, 170° viewing angle |
| PROCESSOR | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| CPU | AMD Ryzen 3 3250U / 2.6 GHz | Intel Core i5 (12th Gen) 1245U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.5 GHz | 4.4 GHz |
| Number of Cores | Dual-Core | 10-core |
| Cache | 4 MB | 12 MB |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Graphics Processor (GPU) | AMD Radeon 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 - 1080p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello, fixed focus |
| Sound | Speaker, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio, Dolby Voice |
| COMMUNICATIONS | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | - |
| Features | Single stream (1x1) | Dual stream (2x2) |
| BATTERY | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 46 Wh |
| Battery Life | - | Up to 14.3 hours |
| AC ADAPTER | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 65 Watt, 5 / 9 / 15 / 20 V |
| INPUT | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, chiclet keyboard, 1.5mm travel distance | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Interfaces | Headphone/microphone combo jack 2 x USB 3.2 Gen 2 USB 2.0 USB-C 3.2 Gen 2 HDMI LAN VGA |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
|---|
| SOFTWARE | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
|---|
| MISCELLANEOUS | ASUS ExpertBook B1 (B1400CDA) | Lenovo ThinkPad L13 Gen 3 (21B4) |
|---|
| 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, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | System password, hard drive password, MIL-STD-810H tested | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | TUV Rheinland Flicker Free Certification, TUV Rheinland Low Blue Light (Software Solution) | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
| Repairability Index | 6.7 (out of 10) | - |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Model Number | EK0583R | - |
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