Yeston Radeon RX 7800 XT review

Graphics cards 1049 Page 15 of 18 Published by

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Overclocking

A simple set of methods for most graphics cards can slightly increase overall performance. Typically, you can adjust the frequency and voltage of the core GPU clock. By boosting the memory and GPU frequencies on the video card, we may improve the video card's computation clock cycles per second. It may not sound easy, but it can be accomplished in less than a few minutes. I always recommend to novice users and novices not to increase the frequency of the core and memory clocks by more than a few %.

Example: If your GPU operates at 1500 MHz, I recommend increasing the frequency in increments of 25 MHz. Advanced users frequently increase the frequency significantly. When your 3D graphics exhibit anomalies such as white spots ("snow"), you should often reduce the clock speed by 25 MHz and leave it at that. When you overclock your GPU excessively, it exhibits abnormalities, empty polygons, or freezes. Locate that limit carefully and then reduce it by at least 25 MHz from the time you observe an artifact. Take a close look and make detailed observations. I'm not sure why you'd need to overclock today's tested card in the first place, but we'll demonstrate it nonetheless. In conclusion, you always overclock at your own risk.  

You can tweak the card with the settings tab in the AMD drivers. You'll see that most cards out there will all tweak to roughly the same levels due to all kinds of hardware protection kicking in. We can tweak the frequencies of the GPU and memory.

We applied the following settings:

  • Voltage - standard
  • Power Limiter: +15% 
  • Clock +100 MHz Dynamic GPU clock ~2.7 GHz 
  • Mem clock +125(= 20 Gbps effective)
  • FAN RPM default 

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The average performance difference is around 3%, so that's not a visible gain.

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