suddenly getting lower fps and benchmark scores

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IdleJack

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Feb 13, 2014
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10,510
Hi,
i have recently run into a low fps problem across all games, 2 days ago i was was benchmarking around the 1000 mark on novabench i now score roughly 650 with all the loss coming from my gpu score which was getting 1100+ fps but is now at around 300. the only change i have done is to briefly clock my cpu to 4.2 MHz though i have reverted this back to stock and am now runing at 3.9MHz

i have stress tested both gpu/cpu with no problems furmark,prime95, temperatures are within parameters (cpu 24 and gpu 45 in Arma 3 campaign. speccy), gpu is no where near 100% load looking at GPU-Z (only 25% gpu load and 70% cpu load running Arma 3 but only 10-15 fps) and no unexpected shut downs. also i am using nvidias experience settings for my games, i have also run a full boot scan using avast, cleared space on my games hard drive, reinstalled gpu drivers, run dxdiaog.

PC spec

GTX 560 Ti
AMD 4100 FX, stock cooling
GA-78LMT-usb3 mobo, latest bios
600w novatech gaming PSU
2 x 4gb DDR3 1333mhz
Windows 8.1

thanks for taking the time to read this, please if anyone can think of anything i am missing or a why i have a problem or a solution please let me know.
 
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IdleJack

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Feb 13, 2014
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10,510
thanks for the reply, i gave it ago this morning, unfortunately there was 2 pins for clearing cmos but no jumper so i removed the power lead and the battery for 20 mins though i noticed that it hadn't cleared the settings as i was still at 3.9MHz. i have restored safe defaults but i am still getting the same problem is there an advantage to clearing cmos over restoring defaults?
 
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DonQuixoteMC

DonQuixoteMC

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Sep 19, 2011
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Clearing CMOS and resetting BIOS are very similar operations that usually do the same thing, however when you reset BIOS, the CMOS still isn't cleared. I'm wondering if a bad overclock caused some of your components to be throttled, for safety purposes. If so, clearing CMOS should fix this. It's at least worth a shot.

What I'm not sure of, is why what you've done hasn't cleared CMOS. What model motherboard do you have?

In case I'm totally off the mark about this CMOS thing, also try to look for "power saving" settings. I don't know if you have anything like that, but if those are turned on it could really hurt your FPS.

Also, for diahnostic purposes, install and run something like MSI Afterburner to check your GPU's core clock speed. Check this with the default value of your card and see if it is actually being throttled.
 
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IdleJack

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Feb 13, 2014
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10,510
ok i gave it another go left the battery out for 2 hours i take it that it reset as i had to redo the clock in bios, interestingly it didn't change the clocking i had done to the cpu in bios as it was still set at 3.9 MHz (i put it back up to see if clearing changed it). i had already put the power on high performance during fault checking though it hadn't been changed at the time the trouble started.

my motherboard is GA-78LMT-usb3 mobo rev 4.1 with the latest bios, this is what i am considering upgrading as it is only 780 chip set, whilst trying to narrow this problem i have read that a 9xx chip-set would suit the FX chip-set better, though it doesn't explain why i was getting higher benchmarks before, so i am a little worried i will still have the same trouble after updating the mobo.
 
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IdleJack

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Feb 13, 2014
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yes i have it installed, but i am not that experienced with all the info it provides

core clock 822 MHz
memory clock 2004 MHz
fan speed 19%

though it says core voltage and power limit at minimum is that normal? i take it they go up under load

 
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DonQuixoteMC

DonQuixoteMC

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Sep 19, 2011
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Yeah, so the spec I'm curious about right now is the Core clock chart. IRun a game that you used to get good fps in, but have poor fps now and keep an eye on that core clock percentage chart. Let me know the max it goes to. For diagnostic purposes, turn the graphics all the way up.

As for the power limit and core voltage, I believe those are part of the overclocking utilities. I wouldn't worry about them.
 
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IdleJack

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Feb 13, 2014
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ok great, i have now got back to the benchmark value's i was at by manually deleting gpu drivers and letting windows find the card and reinstalling the drivers again, Though i am now concerned about the core and memory clocks not gaining in 3D applications.
i just got 3 friends on skype to run afterburner and 2 of them had it go up with more demand, and the 2 of us that feel or pc might not be running as well as it should both had the graphs stuck at one reading. the same value as on the left on MSI Afterburner
 
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