Actually, the convention is really simple, when they follow it. It goes [model line] [Screen size] [Intel CPU generation] [0 for intel, 5 for AMD CPU of same vi

Actually, the convention is really simple, when they follow it. It goes [model line] [Screen size] [Intel CPU generation] [0 for intel, 5 for AMD CPU of same vintage] + Yoga if flippy Model lines: X is premium business, T is mainstream business, E is economy, L is legacy/economy (extra ports). So by looking at "L380 yoga" you know it's a 13" convertible with lots of ports and an 8th gen Intel CPU.