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I think 4k is a stretch on a laptop screen. I think 2k would fit better, require less powerful graphics card, and conserve battery power.

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It's not a stretch. Reading or writing code at 1x resolution is making a huge disservice to your eyes. Minimum 160ppi, the more the better.

In 2020 1080p only makes sense on higher frequencies for gaming, until someone finally releases an affordable 4k >=120hz displays which isn't a "gamer" atrocity.

What do you mean by 2k in a laptop context? (i.e. non-ultrawide)

I think he means 2560 x 1440 (QHD), which is 16:9. 2K is just another way of referring to this resolution.

Yep, sometimes people use 2k to mean 1440p / QHD. But it's a particularly bad name for that resolution. 2K is an existing cinema spec that is much closer to 1920x1080 than anything else.

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