To undervolt, use the under the "Performance" > "Tuning" tab. Recommended Value Voltage 1025 mV – 1075 mV Stock is usually 1150 mV. Try dropping in 25 mV increments. Max Frequency 2300 – 2450 MHz
Follow these steps within the AMD Adrenalin tuning menu to isolate your optimal stable voltage. 1. Enable Manual Tuning
I can provide tailored frequency recommendations based on your hardware configuration. Share public link 6800xt undervolt settings work
But do 6800XT undervolt settings actually work in 2026? In fact, undervolting is often considered necessary to get the best performance-per-watt from the RDNA 2 architecture.
AMD Adrenalin resets tuning profiles to stock values if the system detects an improper shutdown or a driver timeout. To prevent loss of progress, export your working configuration profile as an .xml file using the save icon in the top-right corner of the tuning menu. Black Screens and Hard Crashes To undervolt, use the under the "Performance" > "Tuning" tab
[Apply Settings] ➔ [3DMark Time Spy Stress Test (20 Runs)] ➔ [Heavy Ray Tracing Game] ➔ [Older DX11 Title]
Enable VRAM Tuning . Switch timing to Fast Timing and bump the max frequency to 2100 MHz . Max Frequency 2300 – 2450 MHz Follow these
Repeat this loop until the benchmark crashes or your PC restarts. Once it crashes, you have found your baseline limit. Reopen the software and raise the voltage by to guarantee day-to-day stability. Fine-Tuning Memory and Power Limits
Use this checklist to confirm your undervolt is functioning. 1. Benchmark and Log Stock Performance
The easiest and safest way to undervolt your card is directly through the official [1†L7]. This guide uses that software as it is the most accessible and integrates seamlessly with the drivers.
You cannot assume your settings are active just because you clicked "Apply" in the Radeon software. AMD's drivers are notorious for resetting to stock parameters after a system crash, an improper shutdown, or a Windows Update.