In depth comparison and review of Lenovo ThinkPad Z13 Gen 1 (21D3) and ASUS ExpertBook B5 OLED (B5602CBA). 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 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
Advantages and disadvantages of ASUS ExpertBook B5 OLED (B5602CBA) based on its technical characteristics, features, user experience, expert reviews and price level.
stunning oled display
lightweight design
robust security features
fast ssd storage
good battery life
average graphics performance
no numeric keypad
higher price point
limited port selection
| DESIGN AND DIMENSIONS | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.44 cm x 19.96 cm x 1.399 cm | 35.82 cm x 26.12 cm x 1.99 cm |
| Weight | 1.26 kg | 1.5 kg |
| Case Material | Aluminium (top), aluminium (bottom) | Aluminum, magnesium-aluminum alloy |
| Colour | Black (bottom), arctic grey (top) | Star black |
| DISPLAY | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Screen Size (Type) | 13.3" OLED | 16" OLED |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| Screen Resolution | 2880 x 1800 (2.8K) | 3840 x 2400 (WQUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 500 cd/m² | 400 cd/m² |
| Colour Gamut | 100% DCI-P3 | 100% DCI-P3 |
| Features | Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio | Glossy, narrow-bezel design, Pantone Validated, 83% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| CPU | AMD Ryzen 7 Pro 6850U / 2.7 GHz | Intel Core i5 (12th Gen) 1240P / 1.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 4.4 GHz |
| Number of Cores | 8-core | 12-core |
| Cache | L3 - 16 MB | 12 MB |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| RAM | 32 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 40 GB |
| RAM Type | LPDDR5 SDRAM | DDR5 SDRAM |
| Speed | 6400 MHz | - |
| Rated Speed | 6400 MHz | - |
| Form Factor | - | SO-DIMM 262-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory | 256 GB SSD M.2 PCIe 4.0 |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Graphics Processor (GPU) | AMD Radeon 680M | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 1080p | Yes - 720p |
| Camera Features | Windows Hello, fixed focus, e-camera shutter, Discrete IR | Privacy shutter, IR camera, Windows Hello |
| Sound | Stereo speakers, dual array microphone | Speakers, array microphone |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | Dolby Atmos |
| Audio Features | Input: Dolby Voice, 360° far-field | Output: Smart Amplification technology |
| COMMUNICATIONS | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 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 | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Technology | 3-cell lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 51.5 Wh | 84 Wh |
| AC ADAPTER | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 90 Watt, 20 V, 4.5 A |
| INPUT | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN (on supplied adapter) |
HDMI Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) LAN (RJ-45) USB 2.0 |
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence | Windows 11 Pro |
|---|
| MISCELLANEOUS | Lenovo ThinkPad Z13 Gen 1 (21D3) | ASUS ExpertBook B5 OLED (B5602CBA) |
|---|
| Included Accessories | USB-C power adapter, Lenovo USB-C to Ethernet Adapter | USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | 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 | System password, hard drive password, MIL-STD-810H tested, Computrace ready from BIOS |
| Compliant Standards | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0 | RoHS |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Silver |
| Carbon Footprint | 216 kg carbon emissions (EU) | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Model Number | - | L2I5X |
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