Classically, because the terminal is a grid of equally sized characters, only a single text size was supported in terminals, with one minor exception, some characters were allowed to be rendered in...
Heres a shitty gif I made to show you how fast Ghostty, Alacritty and Konsole is on my PC, all way less than a second and I am running a ton of background crap including different 4k animated wallpapers.
Gif
Yeah thats what I would call old now, lol.
There is 100% something wrong with your Ghostty.
Heres a shitty gif I made to show you how fast Ghostty, Alacritty and Konsole is on my PC, all way less than a second and I am running a ton of background crap including different 4k animated wallpapers. Gif