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Question

Frame drops in everything after 1 minute of GPU inactivity

In any application, I'm experiencing frame drop of sub-10 fps after i idle my mouse and keyboard for about a minute. Once i move my mouse at all or I type anything on the keyboard it returns back to normal. This is really frustrating when watching any type of video. Also, I discovered that my GPU usage shoots up to 100% during this low fps period. I've already explored the power options in windows and the performance settings in nvidia control panel, making sure everything is on the highest performance level. I will include specs and a screenshot of GPU-Z below. Any help is appreciated.

Windows 10
GTX 750ti
AMD X4 860K
12GB RAM
2x 60GB SSD
2x HDD
Gigabyte F2A78M-HD2 Motherbard
Antec 750W PSU

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All Answers

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Answer
While I expected this. Hard to explain.

In reply to: Frame drops in everything after 1 minute of GPU inactivity

What I have seen is that when the mouse and keyboard is idle the GPU can drop its clock rate which has the inverse effect on the GPU % Load reading. While that is expected I can't tell you this is an issue yet.

Then we get to reveal that all these measurement apps could be in error about % TDP as they calculate off the GPU load.

The 750 has been out for years. I don't expect this to be a new problem for you or others but suggest you use the drivers you used for years that worked. The most common encounter with issues like this is when the owner installed a driver updater app or read an article that told them to update all drivers. Again, this is the usual cause. My view and many others is to never change drivers when it all works.

PS. I did no further research on this. You should find this issue with a google.

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Re: While I expected this. Hard to explain.

In reply to: While I expected this. Hard to explain.

I got this card used, so while this is an old card, this problem is completely new to myself. I don't have any drivers to roll back to;

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Since it's new to you

In reply to: Re: While I expected this. Hard to explain.

Remember I only know what you reveal. This card has been around a long time and I can't guess your methods of driver installs, Windows settings and if you did research on this issue.

This is why I lead with "difficult to explain" how clocks drop in idle has a corresponding rise in load. Example? 10% load at 10GHz would be 100% load at 1GHz. Did the load change? Not really. Same amount of work getting done.

If this was mine I'd get my BIOS current and then treat the machine to maker's drivers for motherboard, Audio, VIdeo and so on. Again, I encounter a lot of folk that lean on Microsoft for drivers and fail.

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