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

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ThinkPad T14 Gen 6 (AMD) compared with ThinkPad T440

	LenovoThinkPad T14 Gen 6 (AMD)	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, 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	AMD Ryzen AI 5 PRO 340 or AMD Ryzen AI 7 PRO 350	Intel Core i5-4200U or Intel Core i5-4300U
CPU cores
CPU cores	6 or 8	2
CPU threads
CPU threads	12 or 16	4
Graphics
Graphics	Radeon 840M Graphics or Radeon 860M Graphics	Intel HD Graphics 4400
AI engine (NPU)
AI engine (NPU)	50 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	Ryzen AI 5 PRO 340 (6 cores, 12 threads) or Ryzen AI 7 PRO 350 (8 cores, 16 threads)	Fourth-generation Intel Core i3, i5 and i7 dual-core low-voltage processors; SoC platform
GPU
GPU	Integrated AMD Radeon 840M or 860M, shared memory, DirectX 12	Integrated Intel HD Graphics 4400; optional NVIDIA GeForce GT 720M with 1 GB and Optimus
AI engine
AI engine	Copilot+ PC; NPU up to 50 TOPS	–
Memory type
Memory type	DDR5-5600 in two SODIMM slots, dual-channel, 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 PCIe 4.0 x4 slot; 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 22.9 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; Ryzen AI 7 PRO 350 with 57 Wh and low-power WUXGA, MobileMark 25 up to 15.5 hr, JEITA 3.0 up to 12.8 hr video and 25.7 hr idle, local video up to 22.9 hr; Ryzen AI 5 PRO 340 with 52.5 Wh and WUXGA touch, local video up to 15.7 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	802.11b/g/n or 802.11a/b/g/n; optional 802.11ac
Bluetooth
Bluetooth	5.4	Optional Bluetooth 4.0
Webcam
Webcam	5MP, optional IR	Optional 720p
Operating system
Operating system	Windows	Windows
Port detail
Port detail	2 × USB-C (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	Up to three external displays (four including the built-in); USB-C up to 8K 30 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