"this new GPU I have totally rocks at 4k. Used to need 2 GPUs to do 4k well, now just need 1." - Dan Baker, Oxide Games
https://twitter.com/dankbaker/status/609445259597213696
Was that the 4900 firestrike extreme run? Or was another leaked? Because that 4900 was obvs a 390 pro.
Oxide games engine is using async shaders, and handling tasks in parallel so the memry bandwith is the limiting factor as far as i know.