Gosh, people still use Windows? :P The 6th gen laptop darling was the i5-6200U which has 4 thread (dual core) CPU. I have an Asus Zenbook with one of those and

Gosh, people still use Windows? :P The 6th gen laptop darling was the i5-6200U which has 4 thread (dual core) CPU. I have an Asus Zenbook with one of those and unless I want to compile a kernel in a hurry it's still perfectly functional for all tasks. You can get the same CPU in a second hand ThinkPad X1 Carbon for well under US$200 these days. I'd probably draw the line at Sandy Bridge (2nd gen) as they're the first with AVC and VC1 video decode. Haswell (4th gen) adds come VP8/VP9 decode on Linux. H265 doesn't arrive until 7th or 8th gen (but if you're building a TV box for that, get a Pi 4 which does it perfectly at 4K).