That is why By lowering the voltage while (usually) raising the clock speeds, you can drop temperatures by as much as 15°C, cut power consumption by 50W, and actually increase performance due to thermal headroom. This article compiles the best working settings from the enthusiast community, tested in real-world gaming and benchmarks.
A tuning profile might pass a 30-minute stress test perfectly but crash within five minutes of playing Cyberpunk 2077 or Metro Exodus Enhanced Edition . Ray-tracing workloads and heavy Unreal Engine titles push the silicon differently. If a specific game crashes, simply load your profile and bump the voltage up by an extra 10–15mV. Final Verdict
However, applying settings in AMD Software: Adrenalin Edition is only the first step. You must verify that your configuration is stable, functional, and actually delivering benefits. Why Undervolting Works on RDNA 2 6800xt undervolt settings work
| Setting | Value | Rationale | | :--- | :--- | :--- | | | Enabled | Unlocks manual control. | | Min Frequency (Mhz) | 2300 | Prevents clock dropping too low. | | Max Frequency (Mhz) | 2450 | Sweet spot for thermal efficiency. | | Voltage (mV) | 1075 | The magic number. (Start here). | | VRAM Tuning | Enabled (Fast Timing) | Free performance. | | VRAM Max Frequency | 2110 Mhz | Stable for 90% of Samsung/ Micron dies. | | Power Limit (%) | +5% or +10% | Gives headroom for voltage dips. | | Fan Tuning | Enabled (Advanced) | 40% baseline, 70% at 80°C. |
Run your benchmark tool again. If the test completes without crashing, freezing, or showing visual artifacts: Return to the AMD software. Drop the voltage by another . Run the benchmark again. That is why By lowering the voltage while
Finding the Perfect 6800 XT Undervolt Settings That Actually Work
How 6800XT Undervolt Settings Work: The Ultimate 2026 Guide to Performance & Efficiency AMD Radeon RX 6800 XT Go to product viewer dialog for this item. Ray-tracing workloads and heavy Unreal Engine titles push
The Radeon RX 6800 XT, like many modern GPUs, uses a dynamic voltage and frequency scaling (DVFS) system to adjust its voltage and clock speeds based on workload demands. However, the default voltage settings can be quite high, leading to excessive power consumption and heat generation.
Undervolting the AMD Radeon RX 6800 XT Go to product viewer dialog for this item.
If you want to tailor this tweak to your specific setup, let me know of the 6800 XT you own (e.g., Reference, Sapphire Nitro+, ASUS STRIX) and what your current hotspot temperatures look like under load . Share public link
Download 3DMark Time Spy or Superposition for benchmarking, and HWMonitor or HWInfo64 to track temperatures.