Huge FPS drops after CPU upgrade. PSU Throttling maybe?

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el_darso

Commendable
Jun 29, 2016
2
0
1,510
Recently I upgraded my PC from, adding in

CPU: i5-6600k
M/B: MSI Z170A Gaming Pro Carbon
RAM: 2 x 4GB @ 2400mhz Kingston Fury
Cooler: hyper 212 evo

and all I kept was my

PSU: Seasonic S12II 430W
GPU: MSI GTX 760

Whenever I start playing, it will start off fine, but after less than a minute, FPS will drop to unplayable ~20fps. Tried benchmarking it with Unigine Heaven and same thing.
http://i.imgur.com/bGt2Kzg.jpg - Unigine Heaven benchmark + temps

I've reinstalled graphics drivers several times, no dice.
CPU stays at around 30% usage during testing.

WIth all that said, I know my PSU wattage is really low, and I was concerned it might've been a problem. I need to know if that is what could cause these issues, since getting a new one is not the cheapest thing around here. I was running an FX-4100 beforehand and didn't have the same issues.

Any help will be appreciated.
 
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Barty1884

Barty1884

Retired Moderator
Apr 16, 2015
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Did you perform a clean install of your OS when you upgraded? Or did you 'plug & play' with the OS already installed from your last build?

Your able to use ~100% of your GPU power (which, you totally should with that setup) and temps are looking pretty good.

What kind of settings are you attempting in games/benchmarking? (what is the 'custom' preset made of?).

It screams driver conflict (to me at least). If you haven't clean installed your OS, I suggest you do.

The PSU is on the low side, but it's good quality. Your rig (assuming no OCing) should pull no more than 350W at max draw (81% of the PSUs capability). I certainly wouldn't OC, but you'd see crashes due to power instability (or insufficient), not FPS drops.
 
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el_darso

Commendable
Jun 29, 2016
2
0
1,510


i did a full clean install of WIn10.
That test was done with everything turned off/low.
Same thing with CS:GO, problem existed with everything in very high and in very low with all AA turned off.
I may reinstall my OS again and triple-check drivers, I thought the same about the PSU which is why I didn't bother buying a new one.

Just redid a test with gpu-z running and apparently my GPU power% goes low whenever I get an fps drop. It might be really dumb, but I'll double check that my GPU is properly plugged in to my psu, althought that shouldn't be it either.
 
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