need some overclocking advice!

RobCherry · Jul 23, 2014

hey guys, im looking to overclock my fx8320. its currently at 3.5ghz and i was looking to get it close to 4ghz.
im very new to overclocking and wouldnt even know were to start so any advice would be a help. my current cpu has the stock cooler which it came with, would i be able to overclock with that or will i need to change it to a after market one?

cheers

Danbuscus25 · Jul 23, 2014

what motherboard do you have?

RobCherry · Jul 23, 2014

these are my specs ;

Equipment: -FX8320 8 core 3.5ghz
-16gb Patriot Viper 1600mhz
-Gigabyte GA-78lmt-usb3
-R9 290 Sapphire Tri-X OC
-512gb Crucial mx100 ssd
-XFX Pro Core Edition 850watt 80+

Danbuscus25 · Jul 23, 2014

ok, well, you can probly hit 4.0, aslong as the temps stay under 80c. go into the bios, and increase the multiplier to 20.0 and increase the voltage to 1.45, then try to boot. if it boots, run Prime95 for a while, and if there are no errors, then lower the voltage by 0.02, and repeat. if it wont boot from multiplier 20.0 and voltage 1.45, set the voltage back to default, and the multiplier to 18.0, it should boot, if so, run Prime95 for a while, if no errors, increase multiplier to 19.0 and increase voltage by 0.02. if it boots, run Prime95, if not, increase voltage by another 0.02. if it passes prime95, then raise multiplier to 20.0 and increase voltage by 0.02, if it doesnt boot, add another 0.02, up to a total voltage of 1.46.

RobCherry · Jul 23, 2014

sorry to sound so silly, but whats prime 95?

silverliquicity · Jul 23, 2014

Here is an example of my overclocked pc. Before i started i had a FSB (Front Side Bus) at 200mhz, my CPU (1090t black edition) had a multiplier set at x15, 200 x 15 = 3000, this means without any overclock my CPU is 3Ghz.

You can increase the FSB to get a higher CPU clock but this will also increase the speed of your memory, if you just want to increase your CPU, focus on the multiplier (AMD Black editions and Intel extreme editions have unlocked multipliers).

I would recommend an aftermarket cooler as things can get hot especially when you have such a high clock speed you need to increase your voltage.

Danbuscus25 · Jul 23, 2014

it is a cpu stress test, it tests to see if your cpu is stable. you can download it free here http://www.overclock.net/t/137251/prime95 scroll down a bit, you should see some links for different OS's.

RobCherry · Jul 23, 2014

ok so been in the bios, just want to double check before i change anything.... ive found the multiplier which is fine,
and i found a option which said cpu voltage control which im guessing is what i use. its set at 1.4250v at the moment. but i cant get it to go to 1.45v as the options for different voltages jump like this.. 1.4250 1.4450 1.4650 ect ect. jumps 200 a time..?

Danbuscus25 · Jul 23, 2014

well, if you cant get it to increase in smaller amounts, then set the multiplier to either 19 or 20, with voltage at 1.445 and test for stability.

RobCherry · Jul 23, 2014

ok thanks ile give it a go, and with prime95 what option test do i run as it pops up with a few? sorry for been such a noob lo
and how long should i run the test for?l

Danbuscus25 · Jul 23, 2014

ok, run it on small fft

RobCherry · Jul 23, 2014

ok so set it to 19x and 1.4450v and it booted up fine, running the prime test now. how long should this take?

Danbuscus25 · Jul 23, 2014

eh, go ahead and run it for like 20-30 min, after that increase the multiplier to 20 and leave the voltage the same, then test it for a couple hours.

RobCherry · Jul 23, 2014

ok cheers

RobCherry · Jul 23, 2014

ok so ran it all on 19x and each core passed after 20mins or so. and that was a overclock of 3.733ghz from 3.5ghz so running it at 20x now.
how do i monitor how hot my cpu is getting? i just want to make sure its not too warm... cheers

Danbuscus25 · Jul 23, 2014

AMD Overdrive should tell you

RobCherry · Jul 23, 2014

is that a programme i will have to download or will i have it already seen as my processor is amd?

Danbuscus25 · Jul 23, 2014

well, you will probly have to download it. there are also some other programs you can use, like speedfan, speccy, hwmonitor, and amd overdrive.

RobCherry · Jul 23, 2014

another quick question lol ive downloaded speccy, ( thanks again ) and it says my ram is running at 803mhz, but my ram is 1600mhz, do i have to do something to change this so it runs better? cheers

also the cpu is running at 63degrees does this seem about right? this is im presuming under load as im running the prime95 as we speak?

Danbuscus25 · Jul 23, 2014

the ram isnt being used a lot atm, so it downclocks to ~800 mhz and 63c is perfectly fine

RobCherry · Jul 23, 2014

thats during prime95

Danbuscus25 · Jul 23, 2014

ok, so the multiplier is at 20.0, the voltage at 1.445, everything is stable so far, and it is at 63c?

RobCherry · Jul 23, 2014

yep. seems to be fine. everything is passing on the prime95 test too.

Danbuscus25 · Jul 23, 2014

ok, what is the current clock speed?

RobCherry · Jul 23, 2014

4.017ghz, keeps jumping between that and 2.930ghz on the cpu-z tho? is this normal? its not a fixed core speed is it? it does vary a little..

need some overclocking advice!

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