In depth comparison and review of ASUS ExpertBook B1 (B1502CG) and Lenovo ThinkPad L13 Gen 4 (21FG). 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 (B1502CG) 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
responsive fingerprint sensor
average battery life
mediocre display quality
limited graphics performance
higher price point
Advantages and disadvantages of Lenovo ThinkPad L13 Gen 4 (21FG) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
reliable performance
compact and portable
average display brightness
limited graphics power
no thunderbolt support
higher price point
| DESIGN AND DIMENSIONS | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.16 cm x 23.3 cm x 1.99 cm | 30.5 cm x 21.8 cm x 1.723 cm |
| Weight | 1.69 kg | 1.26 kg |
| Case Material | Plastic | Aluminium (top), glass-fibre reinforced plastic (bottom) |
| Colour | Star black | Thunder black |
| DISPLAY | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| Screen Size (Type) | 15.6" | 13.3" - IPS |
|---|---|---|
| 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 | 45% NTSC |
| Features | Anti-glare, 83% screen-to-body ratio | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| CPU | Intel Core i3 N305 | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 4.6 GHz |
| Number of Cores | 8-core | 10-core |
| Cache | 6 MB | 12 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | - | 4800 MHz |
| Rated Speed | - | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| STORAGE | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - UFS | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| 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 - HD | 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 Premium |
| Audio Features | Output: Audio by Dirac | Input: Dolby Voice |
| COMMUNICATIONS | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.3 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| Technology | 3-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 46 Wh |
| AC ADAPTER | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| 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 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| 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 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.2 Gen 1 (Power Delivery) HDMI 1.4 Headphone/microphone combo jack LAN |
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) Headphone/microphone combo jack |
|---|
| SOFTWARE | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| Operating System (OS) | Windows 11 Pro Education | Windows 11 Pro - English |
|---|---|---|
| Software Included | Microsoft 365 (1 month trial) | - |
| MISCELLANEOUS | ASUS ExpertBook B1 (B1502CG) | Lenovo ThinkPad L13 Gen 4 (21FG) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, face recognition | 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 | 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 | BQI381XA | - |
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