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Overclocking an i5 3570k - questions!

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September 9, 2012 3:12:01 AM

Hey guys! I recently purchased a new rig, and I'm planning on oc'ing. Here's my specs:

i5 3570k CPU (cooled through a Zalman CNPS14x CPU Cooler)
Radeon Sapphire 7850 HD 2gb GPU
Asus P8 z77V-LE
8gb DDR 3 RAM
120gb 520 Intel SSD
Antec 902 Case
Ambient room temp @ 22-24 degrees celsius

I'm basically curious as to what "safe" temps would be, and safe voltages. Also what's a realistic OC on my CPU/RAM without harming it?

Any suggestions/help would be great!

By the way I'm going to be using it principally for recording games (GW2, BF3, Dota 2) @ 60fps!

Thanks!

Best solution

September 9, 2012 3:57:28 AM

Well, I'd say safe temps could be anywhere between 60-70 degrees Celsius on a modest overclock of 4.0-4.4GHz.

I would honestly suggest just going into the BIOS and changing the multiplier from 34 to 42. Then leave everything else as it was. Afterwards, save and exit the BIOS. Boot into windows and then run Prime95 for a few hours to make sure everything is stable. Also, monitor your temps while running Prime95 with this program...

Real Temp
http://www.techpowerup.com/realtemp/

Here's a link to the Prime95 CPU stress test...
http://download.cnet.com/Prime95/3000-2053_4-192895.htm...
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a c 115 à CPUs
a c 176 K Overclocking
September 9, 2012 3:57:34 AM

Your hardware is overclock capable, so you can do it quite easily.
Also modern overclocking is mainly done through the Clock Multipliers, RAM isnt a factor in CPU overclocking anymore.

Just go into the BIOS, enter wherever overclocking or CPU options are. There should be the Base Clock (BCLK) and the Multiplier. Base clock should be at 1000Mhz, and the multiplier at 34 (Base Clock x Multiplier = Frequency, so 1000x34 = 3400Mhz = 3.4Ghz, which is stock settings). Bumping up the multiplier will get you higher frequency's. Go up 1 at a time, back into Windows, then run Prime95 while monitoring temps. If its stable and the temps are fine, rinse and repeat. If its unstable, add a bit of voltage, back into Windows, Prime95 and repeat till stable.
Note: When upping the voltage, the temperature will rise much quicker.

Safe temperatures depends on your perspective, I personally dont let mine above 70C. But anything below 90C should be technically fine.

Safe voltage is again how far you are willing to go. I have kept mine at stock voltage.

You can get the 3570k to 4.2, 4.3Ghz without changing stock voltage by the way.
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September 9, 2012 3:58:25 AM

Awesome guys, thanks for the help! And overclocking my 7850 shouldn't cause any issues?
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a c 186 à CPUs
a c 150 K Overclocking
September 9, 2012 8:01:11 AM

I wouldn't bother overclocking with the board you have. You have very little power phases, so it's best not to overclock. You don't even need to overclock!
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September 10, 2012 1:07:08 AM

You think so amuffin? What does that typically mean "very little power phases"?
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a c 186 à CPUs
a c 150 K Overclocking
September 10, 2012 1:13:00 AM

newbuilder26 said:
You think so amuffin? What does that typically mean "very little power phases"?

Think of it this way:
Power phases are like highway lanes, the less you have, the more chance cars can get jammed in them. The cars can get jammed like traffic, because there aren't enough lanes for those cars to get to. In this case, car=clean power to the CPU, the more lanes you have the more cars you can carry, resulting in more clean power to the CPU!


More power phases=better stability, better overclocks, lower voltages, etc. etc.
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September 10, 2012 2:10:24 PM

I'll keep that in mind...thanks!
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September 12, 2012 7:47:44 PM

Best answer selected by newbuilder26.
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