led76 t1_j6lxf6p wrote
Reply to comment by TheLuteceSibling in ELI5: Why do computers need GPUs (integrated or external)? What information is the CPU sending to the GPU that it can't just send to a display? by WeirdGamerAidan
It might be eli5 to say that the GPU is really good at multiplying grids (matrix) of numbers together. Lots of them. At the same time. And grids of numbers are great at representing things in 3D, like in games.
A CPU can do it, but when there’s bajillions of them to multiply together best to go with the thing that can do hundreds at a time instead of a handful.
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