AMD/ATI Pixel Clock Patcher

What are Pixel Clock and Pixel Patch?

The pixel clock is a specific frequency (limited) included in the BIOS and GPU drivers for similarity with different associations, every standard having an alternate most extreme upheld pixel recurrence.

Patching the Pixel Clock allows you to remove those limitations as well as some others, and in case with AMD/ATI Pixel Clock Patch, and in the event that with AMD/ATI Pixel Clock Patch, it likewise permits clients to eliminate BIOS signature checks which makes this utility valuable for diggers as it gives the capacity to pursue on AMD GPUs alteration BIOS rendition of the GPU with streamlined memory settings for better execution or custom preset GPU/VRAM working recurrence.


AMD/ATI Pixel Patcher right now upholds drivers from Catalyst 11.9 delivered in September 2011 to 21.4.1 delivered in April 2021 – more up to date forms may likewise be upheld.

AMD ATI Flash 1.4.10 Pixel Clock Patcher or Atikmdag patcher 1.4.10 is intended to adjust the AMD/ATI video driver to give higher revive rates as well as higher goals, which becomes conceivable by disposing of pixel clock limits. For single channel DVI and HDMI it is 165 MHz, for double channel DVI it is 330 MHz, and for VGA it is 400 MHz.

Using Pixel Patch

After installing the driver (21.1.1 for all GPUs, or 21.3.1 on the off chance that you intend to utilize the 6700XT), download the utility and concentrate it from the chronicle. To eliminate just the BIOS check, you can change the name of the utility from

atikmdag-patcher.exe t0 atikmdag-patcher-bios.exe

In the window that opens, click Yes to apply the fix and reboot when done.

Known Issues

  • Outdated drivers might definitely dislike HDCP and video speed increase with the fix.
  • Workarounds for video playback issues with obsolete drivers.
  • Debilitate equipment speed increase in the Flash Player settings (right-click any Flash video and select “Settings … “).
  • Utilize the Codec Configuration Tool to cripple DXVA equipment speed increase in the Miscellaneous Settings area (under the Miscellaneous segment).
  • AMD/ATI cards have a plan impediment irrelevant to a fix that makes the video speed increase scramble the screen assuming the vertical blanking/all out esteem is lower than standard when overclocking the video card memory or while associating different screens. Skype is known to cause this issue. Either don’t overclock the illustrations card memory, or utilize the “LCD standard” vertical blanking/adding in CRU.
  • AMD/ATI cards require a “standard LCD” vertical blanking/full decrease of memory recurrence in backup mode. The even qualities can be diminished if fundamental.


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