This will populate the GPU core voltages from State 1 to State 7 (these are load states), as well as the memory frequency State 1. To do this in AMD Wattman, you'll go to Global Settings -> Global Wattman and toggle the GPU Frequency (on the left side of the window) from % to Dynamic, and Voltage Control from Auto to Manual. In addition to a maximum frame rate, Chill will also reduce the GPU frequency to a minimum frame rate (set by you in the game profile) in scenes where there is little/no movement on screen. Easier to just point you at TR's article on Chill. A good choice for non-variable refresh rate monitors.Ĭhill: Works similar to FRTC, with some added features. This has obvious power saving benefits depending on how un-demanding a particular game is. I don't believe this feature works as soon as you disable Auto voltage.įrame Rate Target Control: This feature allows the GPU to dynamically down-clock itself to only deliver a max of the target frame rate. I used that feature while Global Wattman was set to Auto voltage.
Power Efficiency: Not 100% sure what this setting does behind the scenes, but I was able to use it effectively in Rise of Tomb Raider to lower power draw by an average of 15W without affecting framerates.
If your GPU is not restricted by thermal/voltage/power throttling, then it will run at its highest frequency in games unless you enable one of these features. "Power Efficiency", Frame Rate Target Control", and "Chill". This is a rudimentary guide from my experience undervolting my RX480įirst off, there are many power saving options offered in the AMD settings. There's been some discussion in various threads about undervolting GPUs to cut down on power/heat/noise, so I figured I'd share my findings here and make a place where others can share their results about cutting power consumption without giving up performance
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