CPU spikes BF3

rewas31 · Sep 18, 2013

Hello, during some intense action in BF3 multiplayer, my frame rate drops from 65 to around 30-40 fps. I looked at my cpu usage in game and it was reaching 100% during intense battles. My question is is there a way to reduce/get rid of these spikes? It is really annoying. Here are my specs:

i5 3350p @3.5 ghz

EVGA GTX 670 FTW 2gb

8 GB RAM

650W PSU.

SimonGranstrom · Sep 18, 2013

You could overclock that CPU a bit by increasing the FSB.

Applepienation · Sep 18, 2013

Multiplayer games tend to be substantially more CPU intensive than singleplayer games, and BF3s multiplayer is no exception. With such a large in game population BF3 tends to be very hard on CPUs.

shellls45 · Sep 18, 2013

Don't touch the baseclock like he said to. It's really not a good idea.

SimonGranstrom · Sep 18, 2013

shellls45 :

It is a great idea, increasing the speed of the CPU for no cost.
That CPU is easily OC'd to 3.6-3.7 with the stock cooler without exceeding 80C during stress tests.

shellls45 · Sep 18, 2013

Anything above 102mhz will cause instability and possibly data corruption. Why do that for less than a 2% boost?

SimonGranstrom · Sep 18, 2013

shellls45 :

I have been at over 150mhz, OC'd a locked i3 to 4.3 and it was stable.

shellls45 · Sep 18, 2013

On Ivy Bridge? No.
On Clarkdale Yes.

SimonGranstrom · Sep 19, 2013

shellls45 :

On a Ivy-Bridge.

iam2thecrowe · Sep 19, 2013

SimonGranstrom :

no. raising base clock on SB or IB is a bad idea, not only can become unstable over 105 mhz, but can kill other components, as everything including on-board components, hdd's and pci cards are connected to the base clock.
http://www.guru3d.com/articles_pages/core_i5_3570k_review,11.html
http://www.tomshardware.com/forum/279408-29-bridge-overclocking-guide-3770k
on a non-K chip you can only overclock to the chips maximum turbo clock. There are some cheap SB 2500k and 2600k chips around now you might be able to get a hold of and OC to get more performance. Another thing i would check is to make sure you cpu is not getting to hot and thermal throttling down the clock speed. The stock heatsinks for the i5's are pathetic and are really too small to dissipate all the heat at full load.

SimonGranstrom · Sep 19, 2013

iam2thecrowe :

SimonGranstrom :

no. raising base clock on SB or IB is a bad idea, not only can become unstable over 105 mhz, but can kill other components, as everything including on-board components, hdd's and pci cards are connected to the base clock.
http://www.guru3d.com/articles_pages/core_i5_3570k_review,11.html
http://www.tomshardware.com/forum/279408-29-bridge-overclocking-guide-3770k
on a non-K chip you can only overclock to the chips maximum turbo clock. There are some cheap SB 2500k and 2600k chips around now you might be able to get a hold of and OC to get more performance. Another thing i would check is to make sure you cpu is not getting to hot and thermal throttling down the clock speed. The stock heatsinks for the i5's are pathetic and are really too small to dissipate all the heat at full load.

I did not know that, thanks for telling me.
None of the components got damaged, i just booted it and ran a stress test but i didn't like the CPU cores hitting high 80' so i reverted it to stock.

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