In depth comparison and review of ASUS ExpertBook B1 (B1502CBA) and Lenovo ThinkPad Z13 Gen 1 (21D3). 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 (B1502CBA) 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
advanced security features
average battery life
modest display quality
limited graphics performance
higher price point
Advantages and disadvantages of Lenovo ThinkPad Z13 Gen 1 (21D3) based on its technical characteristics, features, user experience, expert reviews and price level.
excellent build quality
powerful amd processor
bright oled display
eco-friendly materials
solid security features
higher price point
limited port selection
no dedicated gpu
average battery life
| DESIGN AND DIMENSIONS | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.16 cm x 23.3 cm x 1.99 cm | 29.44 cm x 19.96 cm x 1.399 cm |
| Weight | 1.69 kg | 1.26 kg |
| Case Material | Plastic | Aluminium (top), aluminium (bottom) |
| Colour | Star black | Black (bottom), arctic grey (top) |
| DISPLAY | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Screen Size (Type) | 15.6" | 13.3" OLED |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| Screen Resolution | 1920 x 1080 (Full HD) | 2880 x 1800 (2.8K) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 500 cd/m² |
| Colour Gamut | 45% NTSC | 100% DCI-P3 |
| Features | Anti-glare, NanoEdge display, 83% screen-to-body ratio | Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio |
| PROCESSOR | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | AMD Ryzen 7 Pro 6850U / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.7 GHz |
| Number of Cores | 10-core | 8-core |
| Cache | 12 MB | L3 - 16 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| RAM | 8 GB (provided memory is soldered) | 32 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 B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| 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 - Union Memory |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon 680M |
|---|---|---|
| Max Monitors Supported | - | 2 external monitor(s) |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | IR camera, Windows Hello | Windows Hello, fixed focus, e-camera shutter, Discrete IR |
| Sound | Speaker, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3306 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| Audio Features | Output: Audio by Dirac | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 | 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 B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Technology | 3-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 51.5 Wh |
| AC ADAPTER | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| 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 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, chiclet keyboard, 1.4mm travel distance | Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Slots | 2 x PCI Express 4.0 x4 / M.2 2280 (1 free) | - |
|---|---|---|
| Interfaces | Headphone/microphone combo jack HDMI 1.4 LAN 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) |
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN (on supplied adapter) |
| SOFTWARE | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| 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 | MyASUS, Microsoft 365 (1 month trial) | - |
| MISCELLANEOUS | ASUS ExpertBook B1 (B1502CBA) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Included Accessories | USB-C power adapter | 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 | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Hard drive password, MIL-STD-810H tested, BIOS protection, Computrace ready from BIOS | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | RoHS, REACH, TCO Certified 9.0, FSC Mix | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0 |
| Carbon Footprint | - | 216 kg carbon emissions (EU) |
| 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 | BQI5X | - |
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