Item | ThinkPad T420 | ThinkPad T490s | |
---|---|---|---|
Screen size | 14" [x] | 14" [x] | |
Maximum RAM | 16GB [x] | 32GB [x] | |
CPU | i3-2310M [x] / i5-2410M [x] / i5-2450M [x] / i7-2620M [x] / i5-2520M [x] / i5-2540M [x] / i7-2640M [x] | i7-8665U [x] / i7-8565U [x] / i5-8365U [x] / i5-8265U [x] | |
Release year | 2011 [x] | 2019 [x] | |
Screen brightness | 250nt [x] (HD+ option) / 200nt [x] (HD option) | 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) | |
Battery capacity | 57Wh [x] / 94Wh [x] | 57Wh [x] | |
Weight | 2.11kg [x] | 1.27kg [x] | |
Power interface | Coax barrel [x] | USB-C [x] | |
Graphics | Intel HD Graphics 3000 [x] | Intel HD Graphics 620 [x] | |
Resolution width | 1366px [x] (HD option) / 1600px [x] (HD+ option) | 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) | |
Resolution height | 768px [x] (HD option) / 900px [x] (HD+ option) | 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) | |
RAM interface | Dual SODIMM slot [x] | Soldered [x] | |
Screen type | TN [x] | 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) | |
Colour | Black [x] | Black [x] / Silver [x] | |
Storage format | 2.5" 7mm SATA [x] | M.2 [x] | |
Key travel | 2.5mm [x] | 1.7mm [x] | |
PWM detected? | Unknown [x] | No [x] (FHD Low Power option) / Unknown [x] (FHD IPS option) | |
Screen finish | Matte [x] | 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) | |
Contrast ratio | 1000:1 [x] (FHD Privacy Guard option) | ||
Width | 34.05cm [x] | 32.9cm [x] | |
RAM | 32GB [x] / 16GB [x] / 8GB [x] | ||
Depth | 23.3cm [x] | 22.7cm [x] | |
Height | 3.05cm [x] | 1.67cm [x] | |
Aspect ratio | 16:9 [x] | ||
Supports Coreboot? | Yes [x] | No [x] | |
Removable battery? | Yes [x] | No [x] | |
Backlit? | No [x] | Yes [x] | |
ThinkLight? | Yes [x] | No [x] | |
Multitouch screen? | Yes [x] (FHD IPS touch option) | ||
Trackpoint buttons | Yes [x] | Yes [x] | |
CPU architecture | Sandy Bridge [x] | Whiskey Lake [x] | |
Card reader? | SD [x] | MicroSD [x] | |
Function row style | Physical keys [x] | Physical keys [x] | |
Fingerprint reader? | Optional [x] | Optional [x] | |
NFC? | No [x] | Optional [x] | |
Keyboard style | 7 row [x] | Chiclet (Island keys) [x] | |
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