With the early access to the open beta now having kicked off, Diablo IV comparisons have been released, showing promising performance.
My Notes on Diablo IV — Part One. Carrying the torch back into the
Diablo IV PC Performance Review and Optimisation Guide - OC3D
Diablo 4 - Performance Test - Xbox Series X/S & PS5 Tested
Diablo IV, PS5 - Xbox Series S/X - PC
Xbox Series X Diablo IV Bundle : : PC & Video Games
Diablo 4 Performance Targets Confirmed: Sseries X 4K/60
Diablo 4 tested: a great experience on all current-gen consoles
Diablo 4: PS5 vs Xbox Series XS vs PC Performance Review
Diablo IV Review - A Finely Tuned Loot Engine - GamerBraves