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why I can't get 3840x2160/60p

Question asked by balroque on Dec 28, 2015
Latest reply on Dec 29, 2015 by balroque

Hi

Ive got Ati Radeon 390 and 4k tv Samsung JU6600 connected with hdmi 2.0

 

maximum resolution is 3840x2160 at 30Hz

 

- when I turn on at TV menu HDMI UHD Color on - tv ask for its restart and switch to 1920x1080/60p and not higher resolution is available

- when 3840x2160 on, from radeon settings Pixel format can be only RGB 4:4:4 full or limited, not YCbCr works

- when game mode off, picture seems smoother, when on its struggling with movement on the screen

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