Item | ThinkPad T490 | ThinkPad X220 | |
---|---|---|---|
Screen size | 14" [x] | 12" [x] | |
Maximum RAM | 48GB [x] | 16GB [x] | |
CPU | i5-8265U [x] / i7-8565U [x] / i7-8665U [x] / i5-10210U [x] / i7-10510U [x] / i7-10710U [x] | i3-2310M [x] / i5-2540M [x] / i5-2410M [x] / i7-2620M [x] / i7-2640M [x] / i5-2520M [x] | |
Release year | 2019 [x] | 2011 [x] | |
Screen brightness | 500nt [x] (WQHD IPS HDR option) / 220nt [x] (HD option) / 250nt [x] (FHD IPS option) / 300nt [x] (FHD IPS touch option) / 400nt [x] (FHD Low Power option) / 400nt [x] (FHD Privacy Guard option) | 200nt [x] (TN display option) / 300nt [x] (IPS display option) | |
Battery capacity | 50Wh [x] | 28.8Wh [x] / 62.4Wh [x] / 99.9Wh [x] | |
Weight | 1.58kg [x] | 1.35kg [x] | |
Power interface | USB-C [x] | Coax barrel [x] | |
Graphics | Intel HD Graphics 620 [x] / NVIDIA GeForce MX250 [x] | Intel HD Graphics 3000 [x] | |
Resolution width | 2560px [x] (WQHD IPS HDR option) / 1920px [x] (FHD IPS touch option) / 1920px [x] (FHD IPS option) / 1366px [x] (HD option) / 1920px [x] (FHD Low Power option) / 1920px [x] (FHD Privacy Guard option) | 1366px [x] | |
Resolution height | 1440px [x] (WQHD IPS HDR option) / 768px [x] (HD option) / 1080px [x] (FHD Low Power option) / 1080px [x] (FHD Privacy Guard option) / 1080px [x] (FHD IPS touch option) / 1080px [x] (FHD IPS option) | 768px [x] | |
RAM interface | Single SODIMM slot [x] | Dual SODIMM slot [x] | |
Screen type | IPS [x] (WQHD IPS HDR option) / IPS [x] (FHD IPS option) / TN [x] (HD option) / IPS [x] (FHD IPS touch option) / IPS [x] (FHD Low Power option) / IPS [x] (FHD Privacy Guard option) | IPS [x] (IPS display option) / TN [x] (TN display option) | |
Colour | Black [x] | Black [x] | |
Storage format | M.2 [x] | 2.5" 7mm SATA [x] | |
Key travel | 1.7mm [x] | ||
PWM detected? | Yes [x] (FHD IPS option) / No [x] (WQHD IPS HDR option) | Yes [x] | |
Screen finish | Matte [x] (HD option) / Matte [x] (FHD Privacy Guard option) / Matte [x] (FHD IPS option) / Matte [x] (FHD IPS touch option) / Glossy [x] (WQHD IPS HDR option) / Matte [x] (FHD Low Power option) | Matte [x] | |
PWM frequency | 2451Hz [x] (FHD IPS option) | ||
Contrast ratio | 1000:1 [x] (FHD Privacy Guard option) / 400:1 [x] (HD option) | ||
Width | 32.9cm [x] | 30.5cm [x] | |
Depth | 22.7cm [x] | 20.6cm [x] | |
Height | 1.79cm [x] | 2.7cm [x] | |
Number of USB 3 ports | 1 [x] (i7 option) | ||
Trackpoint buttons | Yes [x] | Yes [x] | |
Removable battery? | No [x] | Yes [x] | |
Multitouch screen? | Yes [x] (FHD IPS touch option) | ||
Backlit? | Yes [x] | No [x] | |
Supports Coreboot? | No [x] | Yes [x] | |
Fingerprint reader? | Optional [x] | Yes [x] | |
CPU architecture | Whiskey Lake [x] | Sandy Bridge [x] | |
Card reader? | MicroSD [x] | SD [x] | |
Function row style | Physical keys [x] | Physical keys [x] | |
NFC? | Optional [x] | No [x] | |
ThinkLight? | No [x] | ||
Keyboard style | Chiclet (Island keys) [x] | 7 row [x] | |
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