In depth comparison and review of Lenovo ThinkPad T580 (20LA) and ASUS ExpertBook B9 (B1500CBA). 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 B9 (B1500CBA) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
impressive battery life
robust security features
fast SSD storage
advanced connectivity options
average display quality
no dedicated GPU
limited upgradeability
higher price point
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.58 cm x 25.28 cm x 2.02 cm | 31.1 cm x 21.5 cm x 1.57 cm |
| Weight | 1.95 kg | 990 g |
| Case Material | Glass-fibre reinforced plastic, polyphenylene sulfide | Magnesium-lithium alloy |
| Colour | Black | Star black |
| DISPLAY | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" OLED |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2880 x 1800 (WQXGA+) |
| V-Sync Rate at Max Res. | - | 90 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare, 170° viewing angle | Glossy, Wide-View (IPS), 178° horizontal and vertical viewing angle, Pantone Validated, 1 ms response rate, 90% screen-to-body ratio, HDR 600 True Black |
| PROCESSOR | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | Intel Core i7 (13th Gen) 1355U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 10-core |
| Cache | 6 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel Evo |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s - Samsung | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | - | Yes - 1080p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello |
| Sound | Stereo speakers, dual array microphone | Speakers, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | Dolby Atmos |
| Audio Features | - | Output: Smart Amplification technology; Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) |
| BATTERY | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Installed Qty | 2 | - |
| Battery Capacity (Size) | - | 63 Wh |
| Battery Life | Up to 26.1 hours | - |
| AC ADAPTER | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 65 Watt, 20 V, 3.25 A |
| INPUT | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, NumberPad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI LAN Headphone/microphone combo jack Dock |
Headphone/microphone combo jack 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 2 HDMI 2.1 Micro-HDMI |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Pro |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T580 (20LA) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | USB-C power adapter, Micro HDMI to LAN adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | 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 | Administrator password, hard drive password, power-on password, MIL-STD-810G tested | System password, hard drive password, MIL-STD-810H tested, Computrace ready from BIOS, Cortana support |
| Compliant Standards | RoHS | RoHS, REACH, FSC Mix |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Silver | - |
| Model Number | - | BQ1288X |
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