They both seem to do some kind of anti-aliasing on a hidpi screen for me, and Firefox is actually slightly sharper here. The screenshot is nicely pixelated and somewhat easier to read, but the font itself on the page is a bit blurry.
Kerning seems to be very browser dependent as well, seems like Blink does better job there.
Kerning seems to be very browser dependent as well, seems like Blink does better job there.