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Compare Lenovo ThinkPad T490s vs. Lenovo ThinkPad X1 Carbon (2nd Generation)

This is a side-by-side comparison of the specs of the ThinkPad T490s vs. the ThinkPad X1 Carbon (2nd Generation). Differences are highlighted in yellow.
Item ThinkPad T490s ThinkPad X1 Carbon (2nd Generation)
Item image Item image
Screen size 14" [x] 14" [x]
Maximum RAM 32GB [x] 8GB [x]
CPU i7-8665U [x] / i7-8565U [x] / i5-8365U [x] / i5-8265U [x] i5-4200U [x] / i5-4210U [x] / i5-4300U [x] / i7-4600U [x]
Release year 2019 [x] 2014 [x]
Screen brightness 250nt [x] (FHD IPS option) / 500nt [x] (WQHD IPS HDR option) / 400nt [x] (FHD Low Power option) / 400nt [x] (FHD Privacy Guard option) / 300nt [x] (FHD IPS touch option) 270nt [x] (WQHD IPS touch option) / 250nt [x] (HD+ option) / 300nt [x] (WQHD IPS option)
Battery capacity 57Wh [x] 45Wh [x]
Weight 1.27kg [x] 1.34kg [x]
Power interface USB-C [x] Slim-tip (square plug) [x]
Graphics Intel HD Graphics 620 [x] Intel HD Graphics 5000 [x] / Intel HD Graphics 4400 [x]
Resolution width 1920px [x] (FHD IPS option) / 2560px [x] (WQHD IPS HDR option) / 1920px [x] (FHD Low Power option) / 1920px [x] (FHD Privacy Guard option) / 1920px [x] (FHD IPS touch option) 2560px [x] (WQHD IPS touch option) / 1600px [x] (HD+ option) / 2560px [x] (WQHD IPS option)
Resolution height 1080px [x] (FHD IPS option) / 1440px [x] (WQHD IPS HDR option) / 1080px [x] (FHD Low Power option) / 1080px [x] (FHD Privacy Guard option) / 1080px [x] (FHD IPS touch option) 1440px [x] (WQHD IPS touch option) / 900px [x] (HD+ option) / 1440px [x] (WQHD IPS option)
RAM interface Soldered [x] Soldered [x]
Screen type IPS [x] (FHD IPS touch option) / IPS [x] (FHD Privacy Guard option) / IPS [x] (FHD Low Power option) / IPS [x] (WQHD IPS HDR option) / IPS [x] (FHD IPS option) IPS [x] (WQHD IPS touch option) / TN [x] (HD+ option) / IPS [x] (WQHD IPS option)
Colour Black [x] / Silver [x] Black [x]
Storage format M.2 [x] M.2 [x]
Key travel 1.7mm [x]
PWM detected? No [x] (FHD Low Power option) / Unknown [x] (FHD IPS option)
Screen finish Matte [x] (FHD IPS touch option) / Matte [x] (FHD IPS option) / Matte [x] (FHD Privacy Guard option) / Matte [x] (FHD Low Power option) / Glossy [x] (WQHD IPS HDR option) Matte [x] (WQHD IPS option)
Contrast ratio 1000:1 [x] (FHD Privacy Guard option)
Width 32.9cm [x] 33.1cm [x]
RAM 32GB [x] / 16GB [x] / 8GB [x] 4GB [x] / 8GB [x]
Depth 22.7cm [x] 22.6cm [x]
Height 1.67cm [x] 1.81cm [x]
Aspect ratio 16:9 [x]
Fingerprint reader? Optional [x] Yes [x]
Multitouch screen? Yes [x] (FHD IPS touch option) Yes [x] (WQHD IPS touch option)
Backlit? Yes [x] Yes [x]
Trackpoint buttons Yes [x] No [x]
CPU architecture Whiskey Lake [x] Haswell [x]
Function row style Physical keys [x] Adaptive touchbar [x]
NFC? Optional [x] No [x]
Removable battery? No [x] No [x]
ThinkLight? No [x]
Supports Coreboot? No [x] No [x]
Card reader? MicroSD [x] No [x]
Keyboard style Chiclet (Island keys) [x] Chiclet (Island keys) [x]
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