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The Lenovo ThinkPad L420 and L520
The ThinkPad L420 (left) and L520 are on the cheaper side of Lenovo's new enterprise laptop range, starting at £550 each.
The 14-inch L420 weighs 2.3kg and the 15.6-inch L520 weighs 2.6kg. Both can use a 1366 x 768-pixel resolution, although the 15.6-inch model can be bumped up to 1600 x 900 pixels.
Lenovo also unveiled the W520 mobile workstation on Tuesday, saying it offers twice the performance of previous models in its range. The W520 weighs from 2.7kg and has a 15.6-inch screen that can come with HD, HD+ or full-HD resolutions.
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