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Native 4K with Radeon 5500 XT

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Joined
Nov 17, 2020
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74
Motherboard
Gigabyte Z490I Aorus Ultra
CPU
i9-10900K
Graphics
RX 5500 XT
Mac
  1. iMac
  2. MacBook Pro
Mobile Phone
  1. iOS
Hello. You need to set SMBIOS to iMac19,2. This Mac has 21.5-inch 4k screen by default. System preferences will show your screen resolution properly then.

When you use SMBIOS with 5K screen, system by default render 5K output and need to rescale it to your desire resolution what could cause overall system performance slowdown.
Nope, using iMac19,2 didn't make a difference. Same screen options, same scaling garbage. Worth a shot, though! Thanks :)
 
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