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ThinkPads

Lenovo's line of high-end business laptops

Compare Lenovo ThinkPad T440 vs. Lenovo ThinkPad X1 Carbon (5th Generation)

This is a side-by-side comparison of the specs of the ThinkPad T440 vs. the ThinkPad X1 Carbon (5th Generation). Differences are highlighted in yellow.
Item ThinkPad T440 ThinkPad X1 Carbon (5th Generation)
Item image Item image
Screen size 14" [x] 14" [x]
Maximum RAM 12GB [x] 16GB [x]
CPU i7-4500U [x] / i7-4600U [x] / i3-4010U [x] / i3-4030U [x] / i5-4200U [x] / i5-4210U [x] / i5-4300U [x] i5-6200U [x] / i5-6300U [x] / i7-6500U [x] / i7-6600U [x] / i5-7200U [x] / i5-7300U [x] / i7-7500U [x] / i7-7600U [x]
Release year 2013 [x] 2017 [x]
Screen brightness 200nt [x] (HD option) / 250nt [x] (HD+ option) 300nt [x] (FHD IPS option) / 300nt [x] (WQHD IPS option)
Battery capacity 47.5Wh [x] / 72Wh [x] 57Wh [x]
Weight 1.72kg [x] 1.13kg [x]
Power interface Slim-tip (square plug) [x] USB-C [x]
Graphics Intel HD Graphics 4400 [x] / NVIDIA GeForce ® GT 720M [x] Intel HD Graphics 520 [x] / Intel HD Graphics 620 [x]
Resolution width 1600px [x] (HD+ option) / 1366px [x] (HD option) 1920px [x] (FHD IPS option) / 2560px [x] (WQHD IPS option)
Resolution height 900px [x] (HD+ option) / 768px [x] (HD option) 1080px [x] (FHD IPS option) / 1440px [x] (WQHD IPS option)
RAM interface Dual SODIMM slot [x] Soldered [x]
Screen type TN [x] IPS [x] (FHD IPS option) / IPS [x] (WQHD IPS option)
Colour Black [x] Black [x]
Storage format 2.5" 7mm SATA [x] M.2 [x]
Key travel 1.5mm [x]
PWM detected? Yes [x] No [x]
Screen finish Matte [x] Matte [x] (WQHD IPS option) / Matte [x] (FHD IPS option)
Width 33.9cm [x] 32.35cm [x]
Depth 23.25cm [x] 21.71cm [x]
RAM 8GB [x] / 16GB [x]
Height 2.1cm [x] 1.59cm [x]
Backlit? Yes [x] Yes [x]
Removable battery? Yes [x] No [x]
Fingerprint reader? Optional [x] Yes [x]
Trackpoint buttons No [x] Yes [x]
CPU architecture Haswell [x] Skylake [x] / Kaby Lake [x]
Card reader? SD [x] MicroSD [x]
Function row style Physical keys [x] Physical keys [x]
NFC? Optional [x] Optional [x]
Supports Coreboot? No [x] No [x]
Multitouch screen? No [x]
ThinkLight? No [x]
Keyboard style Chiclet (Island keys) [x] Chiclet (Island keys) [x]
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