#Nvidia control panel power management mode reddit driver
On reboot, the nvidia driver would reset to the default power management policy, i.e optimized. I had to downgrade to R365.10 to eliminate the issue. I have also filed a bug report to Nvidia. Evade this option for now until Nvidia sort themselves out. Potential side effects: The power setting "Optimal Power" interferes with normal fan control (when set to automatic), observed on both notebooks and some desktops. So, if you note a drop in GPU perf, that's the fucker you need to change and remember to reboot the computer when done.ĮDIT: Currently observed on mobile GPUs (notably with Nvidia Optimus). To rule out a fluke, I upgraded mum's notebook to the same driver (Hers has a GT 755M, Kepler) and I was able to reproduce the same effect. That restored my gaming performance on this notebook. So I said fuck that and changed it to "High Performance", then rebooted the fucker. Two clicks or so later, turns out Nvidia's default policy here is "Optimal Power". Had me thinking: Let's look at the power management mode, see what's taking a shit in my chocolate factory. The reason given in GPU-Z's PerfCap reason was Pwr and Util (Power and utilization? You got me).It was as if it was in power saving mode ALL THE TIME! The GPU could not run at or beyond it's base clock.Now,having analyzed the data from GPU-Z's logfile, I made two observations: So I quit the game, started GPU-Z and had it log GPU clocks and power utilization for the Nvidia GeForce GTX 860M on this Optimus-based notebook, launched the fucker, and quit it after playing a round or two. Today I made a disturbing realization when I tried running Killing Floor 2 after updating the driver: The fucker was unplayable.
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