They have a colour display 256x240 whereas the playdate has a 400x240 mono display. If we assume 4 bits per pixel for the NES (it offers 56 different colours b

They have a colour display 256x240 whereas the playdate has a 400x240 mono display. If we assume 4 bits per pixel for the NES (it offers 56 different colours but not all at once) That's 245.760 bits for the Game & Watch versus 96.000 bits for the Playdate, a significant difference.