Quoting myself, but it indeed does make it 3096 shaders. (2816/40)*44=3097.6 Is it weird it doesn't come up with a round number ? Edit : Scratch that. The 40 CU screenshot came from a 290, not an 290X. Not got my Brain Goggles on yet today. So the 390X has the same number of compute units as 290X, 44CU.