For those landing on this article via Google search, here is the exact button sequence to make your 6800XT undervolt settings work right now.
This is the easiest method to get instant results without touching voltage curves. It focuses on stopping the card from boosting too high and over-volting itself automatically. 6800xt undervolt settings work
If you want to skip the science and just get into a game, use this baseline profile. It is aggressive enough to matter, but conservative enough to avoid crashing in most DirectX 12 titles. For those landing on this article via Google
Software needed: AMD Software: Adrenalin Edition (no third-party tools required). Enable VRAM Tuning
| Setting | Voltage | Max Core Temp | Power (Avg) | Time Spy Graphics | Relative Perf | |---------|---------|---------------|-------------|-------------------|----------------| | Stock Auto | 1150 mV | 78°C | 260W | 18,850 | 100% | | 1050 mV | 1050 mV | 69°C | 208W | 18,820 | 99.8% | | 1025 mV | 1025 mV | 64°C | 190W | 18,100 | 96% | | 1085 mV + OC | 1085 mV | 74°C | 252W | 19,500 | 103.5% |