I can't get 4k@120hz even though I have the things to support it

Discus and support I can't get 4k@120hz even though I have the things to support it in XBoX on Windows to solve the problem; I can't have 4k@120hz even though I have an Ultra High Speed HDMI Cable and a TV that supports it. I have an Xbox series s. I looked up why, and I saw... Discussion in 'XBoX on Windows' started by Lane Smith, Feb 27, 2024.

  1. Lane Smith
    Lane Smith Guest

    I can't get 4k@120hz even though I have the things to support it


    I can't have 4k@120hz even though I have an Ultra High Speed HDMI Cable and a TV that supports it.

    I have an Xbox series s. I looked up why, and I saw my HDMI cable needed to be Ultra High Speed. I bought an Ultra High Speed 48Bbps 4K@120Hz HDMI Cable. My TV can support it, but it says my TV setup doesn't support 4k@120hz.

    :)
     
    Lane Smith, Feb 27, 2024
    #1
  2. SwordofWhedon Win User

    I can't get 4k@120hz even though I have the things to support it

    very few games support 120 Hz on Xbox series S,

    What is the make and model of your television?
  3. SwordofWhedon Win User

    I can't get 4k@120hz even though I have the things to support it

    your TV does not support 120 Hz, and basically no $500.55 inch television would.

    The electronics to support 120 Hz is extremely expensive, much more expensive than it is for the marketing jargon that they used to advertise their fake motion smoothing they're referring to as 120. You shouldn't expect any television under about $1300 SRP to support native 120 Hz at large sizes

    As you can see from the specifications under panel, it only supports 60 Hz


    [​IMG]


    https://www.tcl.com/us/en/products/home-theater/q6-class/55-class-4k-qled-hdr-google-tv-55q650g
  4. Lane Smith Win User

    I can't get 4k@120hz even though I have the things to support it

    TCL Q6 QLED Smart 4k Google TV 2023 Model
  5. Frenchy_137 Win User

    Sony xr-55A80J OLED and 4k @120hz support (Not supported)

    Hi Nursemorph,

    Thanks to you I was able to get it to work at 4K with 120hz.

    The issue was the guys that configured my TV had set the HDMI mode to EF(Dolby support) and that mode does not seem to support 120hz.

    > I changed the mode to Standard and it made things worse so then I changed it back to EF only and voila it worked 4k at 120hz!

    Thank you all for your help with this one.

    :)
  6. ROBIN H 25 Win User

    xbox series x with samsung- tv can’t support 4k uhd at 120hz

    Your TV model doesn't support or have any HDMI 2.1 ports, which is what you need if looking to get 4K at 120hz.

    also the TV doesn't have 240hz refresh rate, it's a 240hz motion rate, which is a 120hz refresh rate display but again you can't get the Series X to 4K 120hz unless your TV has HDMI 2.1 ports, without HDMI 2.1 on the TV you'll be limited to 4K 60hz.
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I can't get 4k@120hz even though I have the things to support it

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