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The only explanation I can think of is that it's GPU Boost doing its thing like you say, but the thing is, it's causing my score to go measurably DOWN from when I have the voltage and clock speed locked on lower settings. I've been trying to keep the card's temperatures stable, and it got to the point where I was running the fans at 100% (keeping the card around ~60C) during most of the ~0.900V+ testing. Prior, I had the fan set to my curve that's pretty lenient on temperatures in favor of quiet fans, but as the temps started getting towards 70C, I'd increase and lock the fans to try to keep the card in the 55-65C range. It probably doesn't help that Heaven never stops running so the card never gets a break, but it's also not like I'm running it at ~80C+.Pretty consistently, as I have increased the voltage from 0.825V, my 'efficiency' has gone down. I need to do some better comparisons of numbers and I should be using a delta rather than the comparisons I initially came up with, but I was just trying to get data rather than draw conclusions at this point.Again, right now these numbers are focused on finding the highest stable clock speed at each given voltage, not me trying to find the most efficient clock speed at a given voltage.Things to note:The Watt numbers I give (Max and Average) during the benchmark aren't exact, they're rounded to the nearest Watt (up from .5), and the Average does have about ten seconds to one minute of non-benchmark time included. Nevertheless, Heaven keeps running even after the benchmark finishes so that shouldn't be too big of a deal. These Watt numbers were recorded via HWiNFO64.The Heaven FPS readings are rounded, nearly all of them were in the .0-.1 difference, but I believe there was one or two at .7-.9, either way I rounded up from .5 or higher. In hindsight I should have included the decimal place.The "Clock Speed/X" section is the row's Clock Speed divided by the value listed in the column. Voltage, Max W, Average W, in that order.The "Heaven Score/X" is similar to the clock speed section, but instead it's the Heaven Score divided by those values.Here's the Spreadsheet I was working on.
The only explanation I can think of is that it's GPU Boost doing its thing like you say, but the thing is, it's causing my score to go measurably DOWN from when I have the voltage and clock speed locked on lower settings. I've been trying to keep the card's temperatures stable, and it got to the point where I was running the fans at 100% (keeping the card around ~60C) during most of the ~0.900V+ testing. Prior, I had the fan set to my curve that's pretty lenient on temperatures in favor of quiet fans, but as the temps started getting towards 70C, I'd increase and lock the fans to try to keep the card in the 55-65C range. It probably doesn't help that Heaven never stops running so the card never gets a break, but it's also not like I'm running it at ~80C+.
Pretty consistently, as I have increased the voltage from 0.825V, my 'efficiency' has gone down. I need to do some better comparisons of numbers and I should be using a delta rather than the comparisons I initially came up with, but I was just trying to get data rather than draw conclusions at this point.
Again, right now these numbers are focused on finding the highest stable clock speed at each given voltage, not me trying to find the most efficient clock speed at a given voltage.
Things to note:
Here's the Spreadsheet I was working on.
