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Old 18th January 2021, 09:34   #697  |  Link
Asmodian
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Join Date: Feb 2002
Location: San Jose, California
Posts: 4,407
Quote:
Originally Posted by lello View Post
As you can see with UHD movies the rendering is high by activating DXVA2 copy back so, in my opinion, I can solve the problem only by replacing my RX 580 with a more powerful GPU: could an RX 5700 XT be enough?
Do you have slow HDR processing enabled? DXVA2 copy back is probably allowing more advanced HDR processing which can easily be very slow on a RX 580.

I don't know what GPU you might need for the slower HDR processing.
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