Overclocking My CPU is a Waste of Time?
- Thread starter Skakruk
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[Snarf];2146458 said:
If you have access to the multiplier (some cpus are locked) the usual way to do things is to put it as high as you can while leaving the cpu at stock speed so the system remains stable. 3DMark could do for stability testing but there are better programs out there to push a machine. Then try increasing the cpu frequency by increments. You could also increase the ram frequency but this will mess with synchronisation. Make sure your HSF is up to the task. If the temperature is going beyond 65-70°C it's definitely pushing things too far.
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It's odd that the FSB and RAM frequencies have changed. What were they previously and were you intentionaly aiming for 3600 MHz when changing BIOS settings ? Normally the multiplier determines the CPU frequency by taking an input frequency from the motherboard. PCI MHz might change but not the FSB unless you've put that up a notch or two manually.
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By overclocking my e8400 from 3ghz to 4ghz I got about 10 more fps in Crysis, when I played in 1280x1024 that is. Now that I got a 1920x1080 monitor the difference is kinda small, though still about 5 more fps I'd say. That's with a 8800 GTS 512, factory overclocked. And I was playing Crysis with "High" settings.
To test the stability of your CPU, use Intel Burn Test, it's simply the best there is, it stresses the CPU and the ram much more than all the other competing softwares. You'll also get to see what is truly the maximum temp your CPU will ever reach. And yet it only takes about 10-15mins.
http://downloads.guru3d.com/IntelBurnTest-v2.3-download-2047.html
Edit : you shouldn't have any trouble getting a 100% stable overclock btw, look at what I've done with a CHEAP mobo and no messing around with the voltages :
http://i.imgur.com/wqo72.png
To test the stability of your CPU, use Intel Burn Test, it's simply the best there is, it stresses the CPU and the ram much more than all the other competing softwares. You'll also get to see what is truly the maximum temp your CPU will ever reach. And yet it only takes about 10-15mins.
http://downloads.guru3d.com/IntelBurnTest-v2.3-download-2047.html
Edit : you shouldn't have any trouble getting a 100% stable overclock btw, look at what I've done with a CHEAP mobo and no messing around with the voltages :
http://i.imgur.com/wqo72.png
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It's not really hot, Intel states that the maximum temperature is 72° http://processorfinder.intel.com/Default.aspx
A mate of mine also had a similar CPU running at about 100°c for one year (!) and it's perfectly fine and stable. I wouldn't get past 70 though, just to be perfectly safe.
Not only that plus there isn't any game that will push your CPU as much as Intel Burn Test. As a matter of fact, I can't get past 55° with my CPU at 100% under any other circumstances (including other benchmarks), Intel Burn Test is THAT heavy. Also the temperature hits 67 only for like half a second.
I'm using a Noctua nh-u12p.
Other CPU-Z tabs :
A mate of mine also had a similar CPU running at about 100°c for one year (!) and it's perfectly fine and stable. I wouldn't get past 70 though, just to be perfectly safe.
Not only that plus there isn't any game that will push your CPU as much as Intel Burn Test. As a matter of fact, I can't get past 55° with my CPU at 100% under any other circumstances (including other benchmarks), Intel Burn Test is THAT heavy. Also the temperature hits 67 only for like half a second.
I'm using a Noctua nh-u12p.
Other CPU-Z tabs :