AMD FreeSync / DP Adaptive-Sync

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  • #7879
    akumajo
    Participant

    Hi

    What do you think ?
    Probably for a new hardware revision with DisplayPort. Using DP will also “fix” the HDMI “issue” on the OSSC.

    Afaik DP is Royalty-free vs HDMI ($10,000 per high-volume manufacturer plus $0.04 per device).
    However, you need to be a VESA member OR purchase the standards (http://www.vesa.org/vesa-standards/ / https://www.vesa.org/store/)
    I’m sure that members will help you to purchase a licence if necessary.

    Also, it’s an interesting challenge ;).
    Regards.

    #7895
    marqs
    Participant

    DisplayPort is certainly something to consider if there’ll be a new model some time in the future. Adaptive sync in itself would not be useful as consoles output at fixed refresh rate, but utilizing it should force compatible monitors to a mode where non-standard input refresh rates would not cause judder that these monitors might otherwise suffer from.

    #7908
    BuckoA51
    Keymaster

    Yeah that would be potentially useful for consoles like Neo Geo or Amiga which have quite off spec refresh rates, assuming Gsync/Freesync and the like let you control refresh down to such a granular level?

    #7910
    akumajo
    Participant

    Lets not talk about Gsync, it’s proprietary and you need nvidia gpu + monitor with an nvidia scaler built in…

    Freesync range is 9–240 Hz.
    Refresh rate depend on the monitor Freesync range (for example, it can be 35-70Hz).

    #8177
    BuckoA51
    Keymaster

    Yeah but can you go 60.03hz or could you only got 60 or 61, for example?

    #8345
    BahnYuki
    Participant


    I can’t speak for Freesync but with G-Sync it’s absolutely amazing for retro gaming.

    I purchased a new monitor the Acer Predator XB241H which has Displayport for G-Sync and HDMI. I can verify that over a DVI2HDMI cable, this monitor does support linetriple mode with the Sega Saturn. I’ll make a new video soon with the OSSC and this monitor.

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