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Compare Lenovo ThinkPad T440s vs. Lenovo ThinkPad X1 Carbon (2nd Generation)

This is a side-by-side comparison of the specs of the ThinkPad T440s vs. the ThinkPad X1 Carbon (2nd Generation). Differences are highlighted in yellow.
Item ThinkPad T440s ThinkPad X1 Carbon (2nd Generation)
Item image Item image
Screen size 14" [x] 14" [x]
Maximum RAM 12GB [x] 8GB [x]
CPU i7-4600U [x] / i5-4300U [x] / i5-4210U [x] i5-4200U [x] / i5-4210U [x] / i5-4300U [x] / i7-4600U [x]
Release year 2013 [x] 2014 [x]
Screen brightness 250nt [x] (HD+ option) / 200nt [x] (HD option) / 300nt [x] (FHD IPS option) 270nt [x] (WQHD IPS touch option) / 250nt [x] (HD+ option) / 300nt [x] (WQHD IPS option)
Battery capacity 72Wh [x] / 47.5Wh [x] 45Wh [x]
Weight 1.59kg [x] 1.34kg [x]
Power interface Slim-tip (square plug) [x] Slim-tip (square plug) [x]
Graphics NVIDIA GeForce ® GT 720M [x] / Intel HD Graphics 4400 [x] Intel HD Graphics 5000 [x] / Intel HD Graphics 4400 [x]
Resolution width 1366px [x] (HD option) / 1600px [x] (HD+ option) / 1920px [x] (FHD IPS option) 2560px [x] (WQHD IPS touch option) / 1600px [x] (HD+ option) / 2560px [x] (WQHD IPS option)
Resolution height 768px [x] (HD option) / 900px [x] (HD+ option) / 1080px [x] (FHD IPS option) 1440px [x] (WQHD IPS touch option) / 900px [x] (HD+ option) / 1440px [x] (WQHD IPS option)
RAM interface Single SODIMM slot [x] Soldered [x]
Screen type TN [x] / IPS [x] (FHD IPS option) IPS [x] (WQHD IPS touch option) / TN [x] (HD+ option) / IPS [x] (WQHD IPS option)
Colour Black [x] Black [x]
Storage format 2.5" 7mm SATA [x] M.2 [x]
PWM detected? Yes [x]
Screen finish Matte [x] Matte [x] (WQHD IPS option)
Width 33.1cm [x] 33.1cm [x]
Depth 22.6cm [x] 22.6cm [x]
RAM 4GB [x] / 8GB [x]
Height 2.06cm [x] 1.81cm [x]
Backlit? Yes [x] Yes [x]
Multitouch screen? Optional [x] (FHD IPS option) Yes [x] (WQHD IPS touch option)
Removable battery? Yes [x] No [x]
Fingerprint reader? Optional [x] Yes [x]
Card reader? SD [x] No [x]
Function row style Physical keys [x] Adaptive touchbar [x]
NFC? Optional [x] No [x]
Trackpoint buttons No [x] No [x]
Supports Coreboot? No [x] No [x]
ThinkLight? No [x]
CPU architecture Haswell [x] Haswell [x]
Keyboard style Chiclet (Island keys) [x] Chiclet (Island keys) [x]
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