I'm sorry if this isn't in the right place, I'm a little new to this website. I recently replaced motherboards in my computer and after replacing it and re-installing windows and all the drivers, I noticed some odd performance in my games. It would run as it should for around 3 minutes of playing, then the frame rate drops for 30 seconds or so, then goes back to normal. It does this with all games so far. An example is when playing S.T.A.L.K.E.R: Shadow of Chernobyl. It runs at around 100 fps then drops for a minute, then goes back up. I have my GPU usage up on my other monitor and when the frame rate drops, the usage goes to below 30% then shoots up to 100% then back to 30%. I recently swapped out with another graphics card and it did the same thing. So I don't know if it's a GPU issue or if it's something else. I ran some diagnostics and it's not the ram either. I'm up to date on all my drivers and freshly re-installed windows on my Hard Drive.
Specs:
AMD Phenom II X4 940
8GB Corsair 1333 Mhz Ram
Gigabyte Radeon HD 7950 and tested a Nvidia GeForce 9800
Windows 7 SP1 64 bit
MSI 970a-g46 Motherboard
Dynex 500w PSU
Specs:
AMD Phenom II X4 940
8GB Corsair 1333 Mhz Ram
Gigabyte Radeon HD 7950 and tested a Nvidia GeForce 9800
Windows 7 SP1 64 bit
MSI 970a-g46 Motherboard
Dynex 500w PSU
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