Based on extensive community testing across the web, the best stable undervolt for your specific card will land somewhere within these ranges. Your goal is to combine a lower voltage with a high, stable clock speed.
At this voltage, the card draws around 300W to 330W under full load. This generates significant heat. When the GPU hits 85°C or higher (or a Junction/Hotspot temp of 105°C+), the boost algorithm panics. It starts dropping clocks aggressively to save the silicon.
Enable Memory Tuning, switch to Fast Timing , and gently bump the memory frequency from 2000 MHz to 2100 MHz . This recoups any minor performance loss from the undervolt and often results in a net performance gain over stock settings. Signs of an Unstable Undervolt
The AMD Radeon RX 6800 XT is a performance beast, but out of the box, it often runs hot and pulls significant power, leading to loud fans and potentially thermal throttling. —reducing the voltage supplied to the GPU while maintaining or increasing clock speeds—is a popular technique to combat this. 6800xt undervolt settings work
1025mV - 1050mV (Start at 1050mV and work down). Max Frequency: 2400MHz - 2500MHz
An effective undervolt usually drops edge temperatures by .
Undervolting—the process of reducing the voltage supplied to the GPU while maintaining its clock speed—is the definitive way to tame this card. Here is a deep dive into whether 6800 XT undervolt settings actually work, how much performance you gain, and the exact settings to use. Do 6800 XT Undervolt Settings Work? Based on extensive community testing across the web,
Here is the stability hierarchy for the 6800XT:
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Do you need assistance troubleshooting specific or profile reset issues in Windows? Share public link This generates significant heat
To accurately track GPU hotspot temperatures and power draw.
Passing a quick 10-minute benchmark does not mean your settings are stable. True stability requires testing across different graphics APIs, loads, and engines.
Play a graphically intensive ray-traced or heavy rasterized game for at least 60 minutes.