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Compare Apple MacBook Air (11-inch, Early 2015) vs. Lenovo ThinkPad T420s

This is a side-by-side comparison of the specs of the MacBook Air (11-inch, Early 2015) vs. the ThinkPad T420s. Differences are highlighted in yellow.
Item MacBook Air (11-inch, Early 2015) ThinkPad T420s
Item image Item image
Screen size 11.6" [x] 14" [x]
Maximum RAM 16GB [x]
CPU i7-2620M [x] / i5-2450M [x] / i5-2410M [x] / i3-2310M [x] / i7-2640M [x] / i5-2540M [x] / i5-2520M [x]
Release year 2011 [x]
Screen brightness 250nt [x] (HD+ option) / 200nt [x] (HD option)
Battery capacity 43.2Wh [x]
Weight 1.08kg [x] 1.67kg [x]
Graphics Intel HD Graphics 3000 [x]
Power interface Coax barrel [x]
Resolution width 1366px [x] 1366px [x] (HD option) / 1600px [x] (HD+ option)
Resolution height 768px [x] 768px [x] (HD option) / 900px [x] (HD+ option)
RAM interface Dual SODIMM slot [x]
Screen type TN [x]
Colour Black [x]
Storage format 2.5" 7mm SATA [x]
Key travel 2.5mm [x]
PWM detected? Unknown [x]
Screen finish Matte [x]
Width 30cm [x] 34.3cm [x]
Depth 19.2cm [x] 23cm [x]
Height 2.6cm [x]
Aspect ratio 16:9 [x]
Supports Coreboot? Yes [x]
Removable battery? Yes [x]
ThinkLight? Yes [x]
Trackpoint buttons Yes [x]
Card reader? SD [x]
CPU architecture Sandy Bridge [x]
Function row style Physical keys [x]
Fingerprint reader? Optional [x]
Backlit? No [x]
NFC? No [x]
Keyboard style 7 row [x]
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