Random FPS drops / spikes on all games.

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JordySteyaert

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Sep 5, 2013
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Hello,

I'm in desperate need of your help and so are many others who still have this problem, and I want to solve it once and for all.
About 2 months ago I bought a new gaming PC (specs below) and it runs very smooth but I'm having trouble while playing (intense) games (I'm going to use BF4 in this case).

Every few minutes I get a sudden FPS drop/spike that makes almost every game unplayable.
Running BF4 on mixed High-Ultra settings with an average of 60-80 fps suddenly drops to 10-20 every now and then, making the game unplayable for 5-10 seconds (I recorded a video so it is easier to understand).

My system was running on Windows 7 before but people told me to switch to 8.1 to get better performances and because it had better support, and it did. It cranked up my FPS a bit but did not get rid of the spikes. Since my OS is fresh and have yet installed any software I'm guessing it is hardware related.

Things I tried already:
1. Disabling page file/Superfetch + emptying memory StandbyList using RAMmap - did not help
2. Using best (or lowest) settings on the Nvidia Control Panel and also inside the game - cranked up FPS, spikes still occur
3. Switch to Windows 8.1 - better general performance, still getting spikes
4. Re-install all drivers and game(s) - no difference at all
5. Check for malware and viruses - none found
6. Unpark cores - nope
7. Disabled all Nvidia Audio Devices - still spiking

The temperature of most hardware parts is 40-60°C, so I don't think my system is overheating. I also have a pretty good CPU cooler.

Note:
I found something interesting using MSI Afterburner while playing BF4.
My GPU usage is at 98% the entire time (no idea if this is normal?). But at those random moments (the FPS spikes) it drops to 40-50%, after a few seconds it goes back to 98%. I'm not an expert and I have no clue what this means...

While looking on the internet for solutions, I found some threads saying that the Nvidia and Realtek audio could also be the reason for FPS drops and spikes but I have no further information on this.

Specs:
OS: Windows 8.1 Pro 64-bit
Processor: AMD FX-8350 Vishera 32nm Technology
RAM: 8,00GB Duel-Channel DDR3 @ 798MHz
Motherboard: ASRock 970 Extreme3 R2.0 (CPUSocket)
GPU: 4095MB NVIDIA GeForce GTX 760 (MSI)
Storage: 465GB TOSHIBA DT01ACA050 (SATA)
Optical Drive: ATAPI iHAS124 E
Sound: NVIDIA HD & Realtek Audio Device

Anyone out there that can help me with my problem?
It's really getting annoying.

Thanks !
 

JordySteyaert

Honorable
Sep 5, 2013
7
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10,510


Unfortunately this didn't fix my problem, as none of my cores were parked it seems.
Thanks for trying to help me, I shall keep looking for a solution elsewhere :(
 

JordySteyaert

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Sep 5, 2013
7
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10,510


I found my solution.

The thing is with these new AMD processor's: they have a thing called Cool 'N Quiet. It's a CPU dynamic frequency scaling and power saving technology, which can lead to some instability when overclocking. I found that when the Cool 'N Quiet feature was enabled, my game didn't run as well and was getting spikes all the time. Thus, I leave it disabled. If you have adequate fans in your case, I believe you really don't need this feature enabled. My PC is slightly louder now and temps go up to 60°C (only when playing intense games), but that's it, all smooth now.
 
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