Lenovo ThinkPad T14 Gen 6 (Intel) vs Lenovo ThinkPad T440

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

ThinkPad T14 Gen 6 (Intel) compared with ThinkPad T440

	LenovoThinkPad T14 Gen 6 (Intel)	LenovoThinkPad T440
Overview
Released
Released	May 2025	October 2013
Display
Screen size
Screen size	14″	14″
Resolution
Resolution	1920 × 1200 or 2880 × 1800 (better)	1366 × 768 or 1600 × 900
Panel
Panel	IPS LCD or OLED	–
Refresh rate
Refresh rate	60 Hz or 120 Hz	–
Brightness
Brightness	400 nits or 500 nits (better)	200 nits or 250 nits
Touchscreen
Touchscreen	No or Yes	No or Yes
Display type
Display type	WUXGA IPS (400-nit non-touch or on-cell touch, 500-nit low power, or 500-nit on-cell touch with ThinkPad Privacy Guard) or 2.8K OLED with add-on film touch (Core Ultra 200U and 200H only), all 16:10	14-inch HD (1366 × 768, 200 nits, 350:1 contrast) or HD+ (1600 × 900, 250 nits, 400:1 contrast); optional ten-finger touch
Colour range
Colour range	45% NTSC (400-nit IPS); 100% sRGB (500-nit IPS); 100% DCI-P3 (OLED)	–
Screen finish
Screen finish	Anti-glare (IPS); anti-glare, anti-reflection and anti-smudge (OLED)	Anti-glare
Display features
Display features	IPS 1,000:1 contrast (1,500:1 with Privacy Guard); OLED 100,000:1 contrast, 120 Hz VRR, DisplayHDR True Black 500 and Dolby Vision; 3M DBEF5 on the 400-nit panels; Eyesafe Certified 2.0; 85.73% screen-to-body ratio	–
Performance
Processor
Processor	Intel Core Ultra 5 225U, Intel Core Ultra 5 225H, Intel Core Ultra 5 226V, Intel Core Ultra 5 228V, Intel Core Ultra 5 235U, Intel Core Ultra 5 235H, Intel Core Ultra 5 236V, Intel Core Ultra 5 238V, Intel Core Ultra 7 255U, Intel Core Ultra 7 255H, Intel Core Ultra 7 258V, Intel Core Ultra 7 265U, Intel Core Ultra 7 265H or Intel Core Ultra 7 268V	Intel Core i5-4200U or Intel Core i5-4300U
CPU cores
CPU cores	8, 12, 14 or 16	2
CPU threads
CPU threads	8, 14 or 16	4
Graphics
Graphics	Intel Graphics, Intel Arc 130T, Intel Arc 130V, Intel Arc 140T or Intel Arc 140V	Intel HD Graphics 4400
AI engine (NPU)
AI engine (NPU)	12 TOPS, 13 TOPS, 40 TOPS, 47 TOPS or 48 TOPS	–
Memory
Memory	16 GB, 32 GB or 64 GB (better)	4 GB or 8 GB
Storage
Storage	512 GB to 1 TB (better)	256 GB to 500 GB
CPU
CPU	Core Ultra 200V (Lunar Lake) with 4 P-cores and 4 LP E-cores; Core Ultra 200U with 2 P-cores, 8 E-cores and 2 LP E-cores; Core Ultra 200H with 4 or 6 P-cores, 8 E-cores and 2 LP E-cores; Intel vPro Enterprise on selected models	Fourth-generation Intel Core i3, i5 and i7 dual-core low-voltage processors; SoC platform
GPU
GPU	Integrated Intel Arc Graphics 130V or 140V (200V), Intel Arc 130T or 140T (200H, with at least 16 GB dual-channel memory) or Intel Graphics (200U); shared memory, DirectX 12.2	Integrated Intel HD Graphics 4400; optional NVIDIA GeForce GT 720M with 1 GB and Optimus
AI engine
AI engine	Copilot+ PC with Core Ultra 200V (NPU up to 48 TOPS); Core Ultra 200U and 200H models are AI PCs with an NPU up to 13 TOPS	–
Memory type
Memory type	Core Ultra 200V, LPDDR5X-8533 on the processor package, 16 or 32 GB, not upgradable; Core Ultra 200U and 200H, DDR5-5600 in two SODIMM or CSODIMM slots, up to 64 GB	DDR3L-1600; one SO-DIMM socket, up to 8 GB, or 12 GB on selected models with 4 GB soldered
Storage type
Storage type	One M.2 2280 slot, PCIe 5.0 x4 with 200V and 200H processors or PCIe 4.0 x4 with 200U; NVMe SSD up to 2 TB, Opal 2.0	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)
Battery life (maker's claim)	Up to 30 hours	Up to 8.6 hours
Battery capacity
Battery capacity	57 Wh	–
Weight
Weight	1.38 kg (better)	1.72 kg
Thickness
Thickness	16.13 mm (better)	21 mm
Width × depth
Width × depth	315.9 × 223.7 mm	339 × 232.5 mm
Battery life detail
Battery life detail	52.5 Wh or 57 Wh Li-ion; Core Ultra 5 228V with 57 Wh, MobileMark 25 up to 18.76 hr, JEITA 3.0 up to 11.2 hr video and 33.8 hr idle, local video up to 30 hr; Core Ultra 5 225U with 52.5 Wh, local video up to 20.82 hr; Core Ultra 5 225H with 52.5 Wh, local video up to 20.2 hr	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
Charger	65 W USB-C (PD 3.0) adapter, including nano GaN and slim GaN versions; offerings vary by country	45 W; 65 W on optional GeForce GT 720M models
Fast charging
Fast charging	Rapid Charge to 80% in 1 hour (when off, in standby or hibernating)	–
Materials
Materials	Black models, PC with 20% carbon fibre top and bottom; grey models, aluminium top and PC with 20% carbon fibre bottom	Glass-fibre reinforced plastic
Colours
Colours	Black; Grey	Black
Connections
Ports
Ports	2 × Thunderbolt 4, 2 × USB-A, HDMI, Ethernet, headphone jack	2 × USB-A, Ethernet, SD card slot, headphone jack
Wi-Fi
Wi-Fi	Wi-Fi 7 or Wi-Fi 6E	802.11b/g/n or 802.11a/b/g/n; optional 802.11ac
Bluetooth
Bluetooth	5.4 or 5.3 (with Wi-Fi 6E)	Optional Bluetooth 4.0
Webcam
Webcam	5MP, optional IR	Optional 720p
Operating system
Operating system	Windows	Windows
Port detail
Port detail	2 × Thunderbolt 4 (USB4 40 Gbps) with USB PD 15–65 W and DisplayPort 2.1; 2 × USB-A 5 Gbps (one Always On); HDMI 2.1 up to 4K 60 Hz; Gigabit Ethernet (RJ-45); 3.5 mm headphone/mic combo jack; optional smart card reader and nano-SIM slot (4G or 5G models)	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
External displays	Core Ultra 200V, up to two external displays (three including the built-in); Core Ultra 200U and 200H, up to three (four in total); Thunderbolt up to 8K 60 Hz, HDMI up to 4K 60 Hz	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
Keyboard	6-row, spill-resistant, backlit or non-backlit; 1.5 mm key travel (1.35 mm on Fn row and G/H/B); Copilot key; TrackPoint	Six-row spill-resistant keyboard; TrackPoint; optional backlight
Trackpad
Trackpad	Mylar 3-button trackpad, 60 × 115 mm	UltraNav multi-touch touchpad; five buttons integrated into the clickpad
Speakers
Speakers	Stereo 2 W × 2, Dolby Audio	1 W × 2 stereo speakers
Microphones
Microphones	Dual-microphone array, 360° far-field, Dolby Voice	Dual-array microphone
Biometrics
Biometrics	Optional fingerprint reader in the power button (match-on-chip); optional IR camera for Windows Hello	Optional swipe fingerprint reader; TPM 1.2