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Deleted member 11852
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What i want to see is heavy RT/compute based games on PS5 compared to XSX with its wider and slower GPU. CoD RT seems to perform as well on both? Going wide has more CUs, but narrow and fast can fill them faster. No idea there, but i doubt differences will be huge anyway. UE5 demo did fine on the narrow/fast setup.
For both consoles it is about keeping those CUs busy. If you can't keep them stuffed then code will very likely turn in better performance on PS5 because it is running faster. Depending on the engine, you may get more a stable frame rate because every 33ms (30fps), 16ms (60fps) or 8ms (120fps) you can get more done in that time - again, as long as jobs aren't backing up waiting for their moment in the GPU limelight then more available CUs will help.
I imagine there will be games that will benefit one machine but devs are good at this stuff. In time they even coaxed impressive performance out of PlayStation 3. There are tasks which don't parallelise particularly well and Mark Cerny noted dealing with lots of small triangles and at these higher resolutions we're probably seeing games with a lot of small triangles. Maybe more tessellation is the answer.