In Need of Advice

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7 Mar 2013
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First of all, hello everyone! I've made this thread with the intention of seeking guidance in regards to my new gaming PC. I'm very confident that you guys here at OC.uk will be able to provide me with much needed suggestions as to how I can increase my PC performance levels.

I've had my PC for a little over 2 months now and a big part of me is convinced that it is capable of delivering a higher performance standard, specifically in terms of gaming. My specs are as follows - & it is worth noting that all of the hardware is running at stock configuration.

Asus P8Z77
i7 3770k 3.5ghz
GTX 670 SLI - Palit
8GB RAM
Spire dual-fan CPU cooler
CM HAF X case

A few days ago I replaced my dated 19" monitor with a 24" BenQ 1920x1080 120hz display. After monitoring my GPU temperature levels whilst playing BF3 at ultra settings, I couldn't help but feel they were running rather hot under load. The only way I could maintain a temp sub 70c was to set the fan speed to 80%. MSI afterburner recorded a maximum temperature of 85c after a gaming session last night. To reiterate, I'm currently playing at max settings at 1080 res.

After spending quite a while researching other user experiences of the 670, I was fairly surprised to learn that the majority of people using similar hardware to myself were encountering significantly cooler situations whilst under load. And so I started thinking - would it be beneficial to overclock my CPU, despite the fact I am currently inexperienced in those matters, in order to reduce to strain on my SLI GPU config? Would overclocking within the completely safe regions of 4.3ghz provide me with a noticeable difference in performance whilst gaming?

Any suggestions or advice, or any input at all for that matter, would be greatly appreciated. If my post has lacked any necessary detail or has been vague in explaining my concerns, let me know what information to provide. Cheers in advance.

EDIT - (Additional info)

Minimum FPS detected at 120hz ~60 infrequent & only during moments of heavy gaming activity. Usually both GPU usage figures remain in the 90% area, producing ~90FPS on average. Occasional spikes to above 120fps.
 
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Welcome!

Overclocking your CPU won't help you to reduce temperatures on your GPUs. Indeed, it is likely that the GPU temp. will go up, as it'll have to process more frames in the same time.

You are using SLI. Is there a gap between the two cards? Are both cards running at the same temperature or is one hotter than the other? Restricting the airflow around the card is the most likely cause of the GPU being hotter than you expect.
 
Thanks for the welcome and quick response Philip, much appreciated.

There is indeed a gap between the cards & I've also set each of my case fans to run at 100% whilst gaming to maximise airflow. Both GPU temps run at similar temperatures. If I must run my GPU fans at 80% each time I plan on gaming, then so be it. If that is necessary to keep my set up cool then I'm willing to endure the somewhat loud noise levels (I'm gaming with a headset thus rendering the increased fan noise trivial anyway).

Would the CPU overclock increase directly increase performance in-game?
 
No problem :)

It depends on the individual game. In some cases, the GPU is working flat out, and overclocking the CPU won't actually make any difference. On the other hand, if you GPU currently has spare capacity, then overclocking the CPU should allow you to make use of that spare capacity. A CPU/GPU monitoring program will show you which of your components are currently under-utilised.
 
A few days ago I replaced my dated 19" monitor with a 24" BenQ 1920x1080 120hz display. After monitoring my GPU temperature levels whilst playing BF3 at ultra settings, I couldn't help but feel they were running rather hot under load. The only way I could maintain a temp sub 70c was to set the fan speed to 80%. MSI afterburner recorded a maximum temperature of 85c after a gaming session last night. To reiterate, I'm currently playing at max settings at 1080 res.

Sounds about right to me, my GXT670 FTW uses a 680 PCB and so came with a 680 cooler which is better than the normal 670 one, but even then I had to use a custom fan profile to keep it <80 under load, managed to get it to max out at mid 60's by setting the fan to hairdryer mode. Now I have it in the water loop though it does 51-52 maximum :)
 
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