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AMD FX-8120 Overclocking/Benchmarking

post #1 of 195
Thread Starter 
Hello, it's been a while since I last posted on here but UPS delivered my AMD FX-8120 today, as well as a new motherboard and enclosed water cooling setup.

Currently my experience with Bulldozer has been pretty positive, although while running Prime95 I do notice that the multiplier changes on it's own, from what I can tell I've done everything to disable this in the BIOS but it still does it.

It seems to keep 4 cores at the correct multiplier and then 4 are changed to a lower one. There are also times where all 8 cores stay at the correct multiplier, however it seems like this could be one reason why benchmarks weren't that impressive. If the multiplier drops down to 7 when it's usually 17 (in my case 22) it's obviously going to have issues, however that's just me speculating...

Anyway I thought I'd open this thread up since I'm guessing I'm one of the first consumers to have this processor and I am going to run some tests and see how far I can push it. I will also be looking to this thread for some assistance with overclocking as I've never done much with overclocking and this is the first processor that I actually got the courage to change stock voltages.

So far I was able to do 4GHz right out of the box without changing anything but the multiplier. After 4GHz things get a little unstable and increasing the voltage seems necessary. Currently I'm at 4.5GHz @ 1.360V and the temps are sitting at 49C at 100% load running Prime 95.
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post #2 of 195
Thread Starter 
Here are some pictures that are found throughout this thread:

308470_2105575235736_1136160080_31828166_1197781046_n.jpg

307372_2105761080382_1136160080_31828300_577261717_n.jpg

307372_2105761080382_1136160080_31828300_577261717_n.jpg

293564_2106901628895_1136160080_31829258_1088621291_n.jpg

314901_2106990271111_1136160080_31829276_523684307_n.jpg
Edited by CodyOdi - 10/15/11 at 6:31am
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post #3 of 195
what mobo are you using the the chip?
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post #4 of 195
Thread Starter 
I'm using the GIGABYTE GA-990FXA-UD3.
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post #5 of 195
What are the top temps for BD?
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post #6 of 195
Thread Starter 
Quote:
Originally Posted by Hawk777th;15310856 
What are the top temps for BD?

So far the highest I've gotten is 50C

Core Temp is giving a Tj. Max of 90C
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post #7 of 195
AMD website says 61c as max temp on the 8-cores and 70c on the rest.

EDIT: Link: http://products.amd.com/en-us/desktopcpuresult.aspx?f1=&f2=&f3=&f4=1000&f5=AM3%2b&f6=&f7=32nm&f8=&f9=5200&f10=False&f11=False&f12=True
Edited by DirektEffekt - 10/14/11 at 3:16pm
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post #8 of 195
in on this
post #9 of 195
Good temps...Goods v-core...Starting to see some positive in this. Good starting review, sub'd. Bring on the info.
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post #10 of 195
Ooooh think your the 1st member of OCN to actually have posession of a BD chip, looking forward to seeing some benchies.
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