Lenovo · ThinkPad T
ThinkPad T440
A thinner 14-inch ThinkPad with low-voltage Intel Core processors and optional internal and removable external batteries for office work and travel.
Model history · 3 models, 2011–2013
- 2011ThinkPad T420Compare
- 2012ThinkPad T430Compare
- 2013ThinkPad T440
- Size
- 14″
- Display
- –
- Processor
- Intel Core i5
- Memory
- 4 GB – 8 GB
- Weight
- 1.72 kg
- Battery
- 8.6 h
Specifications
Report a wrong or missing specDisplay
- Screen size
- 14″
- Resolution
- 1366 × 768 or 1600 × 900
- Brightness
- 200 nits or 250 nits
- Touchscreen
- No or Yes
- Display type
- 14-inch HD (1366 × 768, 200 nits, 350:1 contrast) or HD+ (1600 × 900, 250 nits, 400:1 contrast); optional ten-finger touch
- Screen finish
- Anti-glare
Performance
- Processor
- Intel Core i5-4200U or Intel Core i5-4300U
- CPU cores
- 2
- CPU threads
- 4
- Graphics
- Intel HD Graphics 4400
- Memory
- 4 GB or 8 GB
- Storage
- 256 GB to 500 GB
- CPU
- Fourth-generation Intel Core i3, i5 and i7 dual-core low-voltage processors; SoC platform
- GPU
- Integrated Intel HD Graphics 4400; optional NVIDIA GeForce GT 720M with 1 GB and Optimus
- Memory type
- DDR3L-1600; one SO-DIMM socket, up to 8 GB, or 12 GB on selected models with 4 GB soldered
- Storage type
- Removable 2.5-inch SATA HDD, SSD or SSHD; optional M.2 SSD shares space with WWAN or smart card reader, depending on slot
Battery and size
- Battery life (maker's claim)
- Up to 8.6 hours
- Weight
- 1.72 kg
- Thickness
- 21 mm
- Width × depth
- 339 × 232.5 mm
- Battery life detail
- Optional internal 23.5 Wh battery; removable external 23.5 Wh, 47.5 Wh or 72 Wh battery; integrated graphics, internal plus 23.5 Wh external up to 8.6 hours, plus 47.5 Wh up to 12.9 hours, plus 72 Wh up to 17.2 hours; Optimus up to 7.7 / 11.6 / 15.4 hours; weight shown with internal and three-cell external batteries, non-touch
- Charger
- 45 W; 65 W on optional GeForce GT 720M models
- Materials
- Glass-fibre reinforced plastic
- Colours
- Black
Connections
- Ports
- 2 × USB-A, Ethernet, SD card slot, headphone jack
- Wi-Fi
- 802.11b/g/n or 802.11a/b/g/n; optional 802.11ac
- Bluetooth
- Optional Bluetooth 4.0
- Webcam
- Optional 720p
- Operating system
- Windows
- Port detail
- Two USB 3.0 (one Always On), VGA, Mini DisplayPort, Gigabit Ethernet, combo audio jack, SD/MMC/SDHC/SDXC reader, optional smart card and SIM slot; docking connector on integrated graphics models
- External displays
- Three independent displays; Mini DisplayPort up to 3840 × 2160 at 30 Hz on integrated graphics; VGA up to 1920 × 1200 at 60 Hz; Optimus DisplayPort up to 2560 × 1600 at 60 Hz
- Keyboard
- Six-row spill-resistant keyboard; TrackPoint; optional backlight
- Trackpad
- UltraNav multi-touch touchpad; five buttons integrated into the clickpad
- Speakers
- 1 W × 2 stereo speakers
- Microphones
- Dual-array microphone
- Biometrics
- Optional swipe fingerprint reader; TPM 1.2
Configurations
| Processor | Memory | Storage | Screen |
|---|---|---|---|
| Intel Core i5-4200U | 4 GB | 500 GB | 1366 × 768 |
| Intel Core i5-4300U | 8 GB | 500 GB | 1600 × 900 |
| Intel Core i5-4300U | 8 GB | 256 GB | 1600 × 900 |
| Intel Core i5-4200U | 4 GB | 500 GB | 1600 × 900 |
Pros and cons
Pros
- Optional internal battery allows external battery swaps while running
- HD+ and touch display options
- Ethernet, VGA, Mini DisplayPort and SD card reader
Cons
- Two USB-A ports, reduced from four on the T430
- Screen options stop at 1600 × 900
- One memory socket; only selected models have extra soldered memory
Closest rivals
Model | Size | Display | Processor | Memory | Weight | Battery | Released |
|---|---|---|---|---|---|---|---|
| 14″ | OLED, 144 Hz | Intel Core Ultra 9, Core Ultra X9 378H or Core Ultra X9 388H | 32 GB | 1.65 kg | 32 h | Feb 2026 | |
| 14″ | OLED, 120 Hz | AMD Ryzen AI 9 | 32 GB | 1.57 kg | – | Mar 2025 | |
| 14″ | IPS LCD, 120 Hz | Intel Core Ultra 7 | 16 GB – 32 GB | 1.55 kg | 22 h | Feb 2025 |
Previous model: ThinkPad T430. Newer model: ThinkPad T450.
Sources
- psref.lenovo.com/syspool/Sys/PDF/ThinkPad/ThinkPad_T440/ThinkPad_T440_Spec.PDF
- psref.lenovo.com/syspool/Sys/PDF/withdrawnbook/ThinkPad_T440.pdf
- news.lenovo.com/pressroom/press-releases/lenovo-extends-battery-life-with-thinn…
Photo: psref.lenovo.com