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***official amd 83x0 overclocking thread***

alex_123_fra said:
Accurate enough I think as a basic OC at 4.4GHz. We don't know what memory was used and frequency and timings. The lowest score on the cinbench thread for a 4770K at stock is 712. Tonester is second lowest at 4.4 GHz with 844 but I have no idea of his memory settings so that would be helpful to know.
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It would also be helpful to know what genuine prices people paid for their components just to reiterate £/performance.
 
FX 8320 + CHVFZ were £289.01 and that included a tube of TIM.

FX 8320 + Asrock 990FX Extreme 3 was £183. That's delivered on both.
 
Th0nt said:
It would also be helpful to know what genuine prices people paid for their components just to reiterate £/performance.
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£115 - 8320
gigabyte 990fxa ud3 - i think i paid around £110 but i cant be sure.. was a while ago

asus chvfz was £168 + delivery


further more.. both boards at stock, the gigabyte still came out better (just).. 6.04 to 6.02 :(
 
Th0nt said:
It would also be helpful to know what genuine prices people paid for their components just to reiterate £/performance.
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Yep indeed. I paid £110 for the 8320 and £160 (with discounts) for the CHVFZ.

ALXAndy said:
Oh and Alex - congrats mate. That's a fantastic score !
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Cheers Andy :)

ALXAndy said:
haha I'm doing another one soon :) Gotta test the PSU first but I should have this to build into.
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That looks pretty awesome. Are those top vents motorised?
 
BurntProc said:
My sabertooth rounds my manually typed in volts to nearest notch, I think.
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OK. I typed in the voltage and the processor seems stable enough. I tried forcing the RAM to 1600 speeds and it wouldn't load. Set it back to 'Auto' and loaded fine. Going to up the FSB some more. What fsb are you guys achieving?
 
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Th0nt said:
OK. I typed in the voltage and the processor seems stable enough. I tried forcing the RAM to 1600 speeds and it wouldn't load. Set it back to 'Auto' and loaded fine. Going to up the FSB some more. What fsb are you guys achieving?
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My 5.15 GHz OC is at multi 22 x FSB 234. You could play around with less multi and more FSB OC. I would also enable your CPU and PCI-E spread spectrum.

Also in terms of your RAM, what make/stock timings is it? May help if you run more voltage through it. I have mine at 1.65V with no issues and NB voltage at 1.15V.
 
Just had to take one of my GPU's out as I had a lockup running OPenGL bench. The mobo LED raised issue so I took it out and booted straight away on one card.

RAM is Corsair DDR3 Vengeance Jet Black, PC3-12800 (1600), Non-ECC, CAS 9-9-9-24, XMP, 1.50V.

There is ECC enabled in BIOS come to think of it.
 
Ok, ECC should really be disabled. When in auto, is your RAM running at stock timings or is it slackening them?

Yes I would run with one card until all is stable and then put the second in for benching/your 24/7 settings.

What are you running in your digi+ settings?
 
CPU-Z says:


digi+ i remember selecting CPU Load line calib to Ultra High rest are Auto. Have set CPU voltage to 1.48.

Memory has 'tested 1.5v' and 'Tested Latency 9-9-9-24' on their site.
 
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Th0nt said:
CPU-Z says:


digi+ i remember selecting CPU Load line calib to Ultra High rest are Auto. Have set CPU voltage to 1.48.

Memory has 'tested 1.5v' on their site.
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So at auto it is running your memory at 1200MHz with tighter timings essentially. I would try running it at your stock speed and input your stock timings but give it around 1.6V initially. It will be fine.

Digi+ I would use High or ultra high on LLC and then CPU current cap at 120 or 130%. In terms of phases, I would use optimised or extreme. For memory, I would also use optimised phases and current cap at around 120%.

You should then be good to try inching up the volts to get to 5GHz but watch the temps.
 
Sorry for double post. Prior to trying the OCs, reset to optimised settings and try to run your memory correctly first. No OC on the CPU while doing that, just keep everything on auto and put in the memory settings as above.

Heading off to bed but will check tomorrow.
 
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