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AMD FX OC'ers Club

lindy

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It's been speculated many times before we heard about this Clock Mesh thingy, that Piledriver may perform in around 10% to 15%. But now with this clock mesh talk, new speculation now puts it at a possible 20% in most and 30%
The clock mesh "thingy" is a resonant clock mesh which is a power recycling technology. It's analogous to the KERS system that F1 cars use. The promise is for 4+ GHz. stock clocks at a lower power level than we currently enjoy :D. It'll also be useful in SoC's that require low power consumption. I hope it doesn't resonate too loudly, the stock fan on my 8150 just about drove me bonkers. :roll:
 
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Thanks for the info.
Now would this be a good upgrade?
AMD FX-8350 Piledriver
4.0 GHz and 4.2 GHz in Turbo
If my calculations are correct, and looking at how well the FX 8120 OC's at 4.40 GHz with all 8-Cores Rock stable, I can see the newer FX-8350 and even the FX-8320 OC well over 4.80 GHz.
http://hexus.net/tech/news/cpu/41801-amd-fx-8350-piledriver-based-cpu-land-mid-q3/
http://www.fudzilla.com/home/item/27771-amd-8350-is-a-40ghz-eight-core

Clock for Clock versus Bulldozer, I can see the Piledriver being between 8% to 20% faster. When you add Clock for Clock and higher clock speeds with Piledriver, we get approx: 30+% better performance IMO :D
 
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Sup guys, I'm trying for 4.8ghz now my cooling system is working as it should, how ever when I boot into windows and place the system underload 15.5 is my multi instead of the 20 I have it set to in bios.

What gives?
 

lindy

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Sup guys, I'm trying for 4.8ghz now my cooling system is working as it should, how ever when I boot into windows and place the system underload 15.5 is my multi instead of the 20 I have it set to in bios.

What gives?
Cool & Quiet? APM? Are you seeing the x15.5 at idle, or under load?
 
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Cool & Quiet? APM? Are you seeing the x15.5 at idle, or under load?
Underload/light load.

Cool and Quiet( should just mean lower idle clocks) shouldn't effect maximum multiplier but I'll give it a go .

APM is disabled as well.

4.5ghz works fine, but one multiplier up and windows insists on using 15.5 .

I had a similar problem years ago with a e5200, I thought I had got a 5ghz bench run but it had been running with a lower multiplier then it should off.
 

lindy

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Thanks for the info.
Now would this be a good upgrade?
AMD FX-8350 Piledriver
4.0 GHz and 4.2 GHz in Turbo
If my calculations are correct, and looking at how well the FX 8120 OC's at 4.40 GHz with all 8-Cores Rock stable, I can see the newer FX-8350 and even the FX-8320 OC well over 4.80 GHz.
http://hexus.net/tech/news/cpu/41801-amd-fx-8350-piledriver-based-cpu-land-mid-q3/
http://www.fudzilla.com/home/item/27771-amd-8350-is-a-40ghz-eight-core

Clock for Clock versus Bulldozer, I can see the Piledriver being between 8% to 20% faster. When you add Clock for Clock and higher clock speeds with Piledriver, we get approx: 30+% better performance IMO :D
The 4.0 to 4.2GHz. would be okay, but the 8150 does 3.6 to 4.2GHz. turbo, so 4.0 to 4.6GHz. turbo would be moar better.:laugh: If the clock mesh tech. lives up to the hype I would think that 5.0GHz. would be quite doable by mere mortals. AMD really needs a shot in the arm performance wise, and I'll think they'll get it with Piledriver. Some preliminary results with "trinity" are showing a 15% boost over bulldozer (here). so I'll hold out some hope for even better when "Vishera" is finally put out in the wild.
 
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I say to AMD, don't even bother releasing anything unless it matches Phenom at least.
 

lindy

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I say to AMD, don't even bother releasing anything unless it matches Phenom at least.
It already does in some respects. The biggest bug-a-boo is floating point, because every two modules share a an FPU.
 
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I've not found anything where a single BD core matches a phenom core.

What have you found?
 

lindy

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Underload/light load.

Cool and Quiet( should just mean lower idle clocks) shouldn't effect maximum multiplier but I'll give it a go .

APM is disabled as well.

4.5ghz works fine, but one multiplier up and windows insists on using 15.5 .

I had a similar problem years ago with a e5200, I thought I had got a 5ghz bench run but it had been running with a lower multiplier then it should off.
Were you able to sort out the e5200?... Might be along similar lines.
How about C1E support? C1E can auto magically reduce the multiplier as well as a few other things for power saving.
 

lindy

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I've not found anything where a single BD core matches a phenom core.

What have you found?
I'm thinking more overall where bulldozer has it going with multi-threaded stuff. ;)
 
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I'm thinking more overall where bulldozer has it going with multi-threaded stuff. ;)
I came from one of the 6 core phenoms, multi threaded performance is similar as the phenom IPC is 30% better than FX. ( and Fx 8000 processors have 30% extra cores over x6 phenoms)

The only advantage the FX processors have is if you manage to get one that can do 5ghz 24/7 :laugh:


@ Neo unfortunately not much you can do, I've the same board and it is easily the worst "high end" board I've used. There is newer Bioses availible but they're even worse ha ha ( although they fix v-droop issues )
 

lindy

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The only advantage the FX processors have is if you manage to get one that can do 5ghz 24/7
How about 5 minutes?... I need more cooling!:p
 
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I hope you have more luck than I have had with that motherboard!

Last week i was overclocking my GF's brand new PC a bit, she has the same mobo and a 6100. It had huge Vdrop. Also, the CPU died when i tried reaching 4,4GHz lol, but I guess that was only due to a faulty CPU to begin with, since temps were still in the 50ies, and voltage wasn't absurdly high.
 
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For being $65 (here in the states at least), I'm not too worried about it dying on me. Being that it only has four phases (not so great ones to boot) I don't expect to get anything passed 4.2-4.4GHz fully stable with the 8120. As for max clocks, I was able to hit 5GHz with my 6100. I ran my 6100 at 4.7GHz for a good while on it before selling it. So in all, its a capable board for having only four phases, but its definitely no CHVF.
 
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For being $65 (here in the states at least), I'm not too worried about it dying on me. Being that it only has four phases (not so great ones to boot) I don't expect to get anything passed 4.2-4.4GHz fully stable with the 8120. As for max clocks, I was able to hit 5GHz with my 6100. I ran my 6100 at 4.7GHz for a good while on it before selling it. So in all, its a capable board for having only four phases, but its definitely no CHVF.
Ok, thanks alot:)
 
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hi all im new to this thread but i got a chvf and a fx 8150 running at 4.4 ghz and 16gb ram running at 2060 mhz, been trying to get to 4.6 ghz but with no luck it allways fails at prime.
 
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hi all im new to this thread but i got a chvf and a fx 8150 running at 4.4 ghz and 16gb ram running at 2060 mhz, been trying to get to 4.6 ghz but with no luck it allways fails at prime.
Post up your bios settings :toast:
 
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iv had it there before still failed i think im just going to be happy with 4.4ghz for now
 
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not bad with msi 760 series motherboard...