Side by side comparison and review of Lenovo ThinkPad T440 and Lenovo ThinkPad T550. 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.9 cm x 23.25 cm x 2.1 cm | 38 cm x 25.8 cm x 2.24 cm |
| Weight | 1.81 kg | 2.3 kg |
| Case Material | - | Glass-fibre reinforced plastic |
| DISPLAY | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Screen Size (Type) | 14" | 15.5" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1600 x 900 (HD+) | 2880 x 1620 (WQHD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Features | - | Anti-glare |
| PROCESSOR | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i5 (5th Gen) 5200U / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 2.7 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 |
| MEMORY | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| RAM | 4 GB (1 x 4 GB) | 4 GB |
|---|---|---|
| Max RAM Supported | 8 GB | 16 GB |
| RAM Type | DDR3L SDRAM | DDR3L SDRAM |
| Speed | - | 1600 MHz / PC3L-12800 |
| Rated Speed | - | 1600 MHz |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 204-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Main Storage Size (HDD/SSD) | 240 GB SSD | 120 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 5500 |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3232 | Realtek ALC3232 |
| Compliant Standards | - | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Wireless | - | Bluetooth, Wi-Fi |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Technology | - | Lithium Ion |
|---|
| AC ADAPTER | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|
| INPUT | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
2 x USB 3.0 USB 3.0 (Always On) VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440 | Lenovo ThinkPad T550 |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | Kensington security slot | Kensington 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, ThinkEngine, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | ISO 9001, ISO 14001, ISO 27001 |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 2 years - pick-up and return |
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