Compare retrogaming portables at Retrosizer

Retrosizer lets you visually compare the sizes of portable game consoles, from the original Nintendo Gameboy to contemporary Amazon retrogaming faves.

You can plop on all sorts of other things for scale, too, from classic controllers to everyday items like credit cards.

I used it to figure out the smallest model to have a 4:3 display, best for most 80'-era arcade games.