In depth comparison and review of Microsoft Surface Book 3 and Lenovo ThinkPad T440s. 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.
| DESIGN AND DIMENSIONS | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Product Type | Tablet - with keyboard dock | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 31.2 cm x 23.2 cm x 2.3 cm | 33.1 cm x 22.6 cm x 2.065 cm |
| Weight | 1.534 kg | 1.59 kg |
| Case Material | Magnesium alloy | Polycarbonate ABS |
| Colour | Platinum | - |
| DISPLAY | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Screen Size (Type) | 13.5" | 14" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 3000 x 2000 | 1600 x 900 (HD+) |
| Pixel Density (ppi) | 267 | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 16:9 |
| Features | PixelSense | Anti-glare |
| PROCESSOR | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| CPU | Intel Core i5 (10th Gen) 1035G7 / 1.2 GHz | Intel Core i5 (4th Gen) 4300U / 1.9 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 2.9 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Integrated memory controller |
| MEMORY | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| RAM | 8 GB | 4 GB |
|---|---|---|
| Max RAM Supported | - | 12 GB |
| RAM Type | LPDDR4X SDRAM | DDR3L SDRAM |
| Speed | 3733 MHz | 1600 MHz |
| Form Factor | - | SO-DIMM 204-pin |
| STORAGE | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD PCIe - NVM Express (NVMe) | 120 GB SSD |
|---|
| AUDIO & VIDEO | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Graphics Processor (GPU) | Intel Iris Plus Graphics | Intel HD Graphics 4400 |
|---|---|---|
| Camera | Yes - 1080p | Yes - 720p |
| Resolution | 8 Megapixel (rear), 5 Megapixel (front) | - |
| Camera Features | Autofocus, Windows Hello | Face tracking |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3232 |
| Compliant Standards | Dolby Atmos | High Definition Audio, Dolby Home Theater v4 |
| COMMUNICATIONS | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | - |
|---|---|---|
| Network Interface | - | Gigabit Ethernet |
| BATTERY | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Technology | - | 3-cell Lithium Ion |
|---|---|---|
| Installed Qty | - | 2 |
| Max Supported Qty | - | 2 |
| Battery Life | Up to 15.5 hours | - |
| AC ADAPTER | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Type | Keyboard, trackpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Interfaces | 2 x USB 3.1 Gen 2 (on keyboard dock) USB-C 3.1 Gen 2 (on keyboard dock) (Power Delivery 3.0) Headphone output SurfaceConnect SurfaceConnect (on keyboard dock) |
2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack USB 3.0 (Always On) |
|---|---|---|
| Memory Card Reader | Yes (SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|---|---|
| Software Included | Microsoft 365 (30 days trial) | - |
| MISCELLANEOUS | Microsoft Surface Book 3 | Lenovo ThinkPad T440s |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Integrated Options | Accelerometer, ambient light sensor, proximity sensor, magnetometer, gyro sensor | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Volume control, Studio Mode, Tablet Mode, Laptop Mode | Administrator password, hard drive password, power-on password, MIL-STD-810G tested |
| Compliant Standards | - | ISO 9001, ISO 14001, WEEE, ISO 27001 |
| SAR Value | 1.45 W/kg (body) | - |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | Limited warranty - 1 year | Limited warranty - 2 years - pick-up and return |
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