In depth comparison and review of ASUS ExpertBook B1 (B1402CBA) and Lenovo ThinkPad L15 Gen 4 (21H3). 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 (B1402CBA) based on its technical characteristics, features, user experience, expert reviews and price level.
robust military-grade durability
efficient multitasking capabilities
comprehensive connectivity options
anti-glare display technology
lightweight, portable design
mediocre battery life
standard 250-nit brightness
limited graphics performance
noisy under load
Advantages and disadvantages of Lenovo ThinkPad L15 Gen 4 (21H3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust connectivity options
supports fast charging
dedicated nvidia gpu
upgradeable ram and storage
solid build quality
average battery capacity
basic 250-nit display
limited cpu performance
no fingerprint reader
| DESIGN AND DIMENSIONS | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 32.69 cm x 21.45 cm x 1.99 cm | 36.02 cm x 23.7 cm x 1.993 cm |
| Weight | 1.49 kg | 1.77 kg |
| Case Material | Plastic | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Star black | Thunder black |
| DISPLAY | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Screen Size (Type) | 14" | 15.6" - IPS |
|---|---|---|
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare, WideView, NanoEdge display, 81% screen-to-body ratio | Anti-glare |
| PROCESSOR | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.6 GHz |
| Number of Cores | 10-core | 10-core |
| Cache | L3 - 12 MB | 12 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 40 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| 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 - 720p | Yes - 1080p |
| Camera Features | Privacy shutter, IR camera, Windows Hello | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Speaker, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | Output: Audio by Dirac | Input: Dolby Voice, far-field |
| COMMUNICATIONS | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-V |
| Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Technology | 3-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 57 Wh |
| AC ADAPTER | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| 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 B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, chiclet keyboard, 1.4mm travel distance | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 (Power Delivery) USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack LAN HDMI 1.4 |
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 (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Operating System (OS) | Windows 11 Pro | Windows 11 Pro - English |
|---|
| MISCELLANEOUS | ASUS ExpertBook B1 (B1402CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Included Accessories | USB-C 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, 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 | Hard drive password, MIL-STD-810H tested, BIOS protection, Computrace ready from BIOS | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS, REACH, TCO Certified 9.0, FSC Mix | 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 | - | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |
| Model Number | EBI5X | - |
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