His example of 64 x 64 pixels is a total of 4096. My screen shows 160 x 480 pixels which is a total of 76,800 pixels.
Yep I know, something in between would be nice 
Would it be possible to blow up fonts, without the need of adding a bigger font? Let's say you have a 7x5 font could you make it 14x10? For my project I would need large fonts, but for now I had to change resolution to achieve this: