Side by side comparison and review of Lenovo ThinkPad T440 and ASUS ExpertBook B3 Detachable (B3000DQ1A). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad T440 based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
excellent keyboard comfort
good battery life
solid performance base
efficient thermal management
average display quality
heavier than competitors
limited graphics capability
outdated design style
Advantages and disadvantages of ASUS ExpertBook B3 Detachable (B3000DQ1A) based on its technical characteristics, features, user experience, expert reviews and price level.
detachable versatile design
lightweight and portable
responsive touchscreen display
decent battery life
solid build quality
moderate processing power
limited storage capacity
basic graphics performance
fewer connectivity options
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 33.9 cm x 23.25 cm x 2.1 cm | 26.03 cm x 17.21 cm x 0.9 cm |
| Weight | 1.81 kg | 590 g |
| Case Material | - | Aluminium (LCD cover) |
| Colour | - | Star black |
| DISPLAY | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Screen Size (Type) | 14" | 10.5" |
|---|---|---|
| Touchscreen | - | Yes (multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1600 x 900 (HD+) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | - | 144 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 320 cd/m² |
| Colour Gamut | - | 121% sRGB |
| Features | - | Glossy, WideView, 170° horizontal and vertical viewing angle |
| PROCESSOR | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Qualcomm Snapdragon 7c Gen 2 2.55 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | - |
| Number of Cores | Dual-Core | 8-core |
| Cache | 3 MB | L3 - 1 MB |
| 64-bit Computing | Yes | - |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | - |
| MEMORY | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR4X SDRAM |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Main Storage Size (HDD/SSD) | 240 GB SSD | 128 GB eMMC |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Qualcomm Adreno 618 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | - | 13 Megapixel (rear), 5 Megapixel (front) |
| Sound | Stereo speakers, dual array microphone | Speakers, array microphone |
| Codec | Realtek ALC3232 | - |
| COMMUNICATIONS | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 5.1 |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Technology | - | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 38 Wh |
| AC ADAPTER | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Input | - | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 15 V, 3 A |
| INPUT | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Touchpad, detachable keyboard, stylus |
|---|---|---|
| Features | Multi-touch touchpad | Spill-resistant, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
Headphone/microphone combo jack USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | Windows 11 Pro |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440 | ASUS ExpertBook B3 Detachable (B3000DQ1A) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Keyboard, USB-C power adapter, stand cover, MPP 2.0 garaged stylus |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | - | ErgoLift, MIL-STD-810H tested, ASUS Antibacterial Guard |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | - |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |
| Model Number | - | HT0085X |