Overclocking Increases FPS Than Decreases?

ggnoreno

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May 12, 2015
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I have a i5 4690k, I have used the overclocking option it gives when in the bios (Turbo Boost) and the fps in games are increased to an astounding amount (354 fps in LoL). After it freshly restarts, everything loads up and yea but eventually after 10-15 minutes, the fps lowers to the same fps as if I have not overclocked. For example, playing League of Legends,
Without Overclock: 134 FPS
With Overclock: 345 FPS
With Overclock (After 10-15 minutes):134 FPS
It's as if the overclock is a temporary power boost, Super Saiyan Gogeta 4.

I haven't applied thermal paste within the last 9 months, that may be the problem.
The average temperatures for my cpu are:
Core 0: Min 61 C Max 85 C
Core 1: Min 60 C Max 88 C
Core 2: Min 60 C Max 88 C
Core 3: Min 58 C Max 81 C

It's also possible with the amount of watts I have, in which I have 600 watts in my Power Supply.
For my GPU I have an GTX 970.

UPDATE 6/1/2016
There's a few things that I've noticed, The result of the high FPS is only after I've restart, I get the same FPS boost without overclocking.Let me break it down:

League of Legends Run Test

Without OC After Reboot: 345 FPS
With OC After Reboot: 343 FPS

Without OC 20 Minutes After Reboot: 143 FPS
With OC 20 minutes After Reboot: 141 FPS

My temperatures were pretty low for the testing of these, they ranged around 60-70 Celsius while in game but before were 40-50 Celsius.
There's a few problems:
The FPS boost is only after a reboot, regardless of OC or not still the same results, 20 minutes later and it'll slow down about around 60% down from the original FPS. The OC has nothing to do with the FPS, it's ineffective.


That sums up most of the information, please tell me if I'm missing anymore information, and please provide me with any possible solutions, thanks!
 
Solution
So as you said, this is not an OC issue. You are having the same troubles regardless of the OC. Moreover, your FPS still the same. (Don't really hope that you are getting a 40 fps boost by OC your CPU anyways)

These temps are OK as you have an stock cooler, so i don't think that's the problem at all...

It seems like all is pointing out to your GPU... Have you tested out anyother games/programs?

So, if i understood what you told there, everything is fine for ~20min after reboot and then the fps go down. And then, if you still playing or close LoL and open it again, do you have the same problem until you reboot the pc?

It would be interesting if you monitor your voltages/temps while playing. That way you can see if where happens that...

MrKrako

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Apr 17, 2016
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What cooler do you have? That 88ºC is a pretty high temperature. I think that your i5 4690K is getting too hot and is "auto-disabling" the OC to hold it back. I guess you are using auto OC tools, right? If you want to OC your CPU try a moderate OC, as it seems that option is more than your cooler can handle safely.
 

ggnoreno

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May 12, 2015
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I've found out that the temperature isn't the problem anymore, I'm using the i5 4690k fan cooler with 1 fan on the left of it and 2 fans above it, on a 1150 motherboard. Please read the bolded text for the new results I've found, thanks so much for the answer provided though.
 

MrKrako

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Apr 17, 2016
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So as you said, this is not an OC issue. You are having the same troubles regardless of the OC. Moreover, your FPS still the same. (Don't really hope that you are getting a 40 fps boost by OC your CPU anyways)

These temps are OK as you have an stock cooler, so i don't think that's the problem at all...

It seems like all is pointing out to your GPU... Have you tested out anyother games/programs?

So, if i understood what you told there, everything is fine for ~20min after reboot and then the fps go down. And then, if you still playing or close LoL and open it again, do you have the same problem until you reboot the pc?

It would be interesting if you monitor your voltages/temps while playing. That way you can see if where happens that fps drop and relate it with any other event like your GPU hitting high temperatures, or your PSU not being able to deliver enough power or a stable voltage.
 
Solution

ggnoreno

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May 12, 2015
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I still won't know what to problem is but this is given me multiple possible solutions to the problem. I will try to buy a new PSU to see how that goes, if not I'll return sooner or later. Thank you.
 

ggnoreno

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May 12, 2015
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I have found the answer! It's my CPU usage. I found that another program(in task manager) put my usage of CPU to 98% USAGE in which I got rid of the program, boosted my fps all the way to when it restarted!
 

MrKrako

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Apr 17, 2016
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Cool then! Great it was only a program messing things around and not a hardware failure! Glad to see everything is fine now