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PC Graphics

hepoh
Journeyman III

Performance degradation when applications switch to full screen mode

Hello everyone.

I bought a new computer with following characteristics:

Hardware

  • CPU: amd ryzen 2700x
  • GPU: radeon vega 56
  • MB:    gygabyte B450 AORUS M
  • Mem: G. Skill Ripjaws V 3200MHz (2x8)
  • PSU: Ginzze PC800 800W
  • Monitor: Asus VZ27V

Software

  • Windows 10 Pro
  • Latest BIOS firmware (f42g)
  • Radeon Software Version: 19.11.1 and two previous

and from the very beginning I ran into a problem: poor performance in full screen mode. It doesn’t matter which application I use: 3DMark, Overwatch, Destiny 2, YouTube in Firefox - FPS drops to 10-20, and when playing in full screen mode with a window, fps rises to 300. If I open a performance overlay that is on top of YouTube full screen video - it will not freeze. I tried reinstalling the Radeon drivers, but it didn't seem to help.

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2 Replies
hepoh
Journeyman III

nobody knows?

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Bit of a weird problem. I've never heard of such a thing before. I have no idea what might cause it.

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