: It is normal for tools like HWInfo to show occasional spikes above your set voltage; the software setting acts as a target rather than a hard cap.

Use 3DMark Time Spy or Superposition to test stability.

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Try lowering it by 10mV more until you find the minimum stable voltage. Crucial Note: Test Both Scenarios

AMD’s software is the best starting point for most users.

Optimizing Performance: Finding the Best 6800 XT Undervolt Settings That Actually Work

By manually lowering the voltage, you optimize the card. The RX 6800 XT benefits immensely from this because it is limited by power and thermal limits. Lowering the voltage gives the card thermal headroom. This headroom allows the GPU to maintain its maximum boost clocks longer, often leading to smoother gameplay and fewer micro-stutters. Baseline Undervolt Settings That Work

Once your GPU core voltage is locked in, you can maximize performance with two final tweaks: