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[AMD] Get Your Rig Ready for the AMD FX Processor - Page 21

post #201 of 401
Quote:
Originally Posted by Arni90 View Post
Actually looks quite plausible. The worrisome part is how bad IPC is, it's even worse than the original phenom.


The way I see it:
Phenom II X2 -> FX 4170
Phenom II X3 -> FX 6100
Phenom II X4 -> FX 8100
Phenom II X6 -> FX 8150

Remember one module is not comparable to two full cores. So a "four-core" BD is more comparable to a two-core processor with extremely good threading. chew and the others have said for several weeks now an 8C BD is more like a 4C/8T in effect.

3.3x scaling for a 2C/4T is actually really, really good, which means one core/module vs two core/module provides about 1.65x performance increase. The bigger problem is how clock speed needs to be at almost 6GHz to even compare against an i5-2500k stock.

I really do not hope we'll see these numbers, but it's definitely plausible.

I don't care about IPC persay, I care about IPS or instructions per second.
post #202 of 401
Quote:
Originally Posted by Heavy MG View Post
It isn't fake?
The SuperPi result and AIDA64 memory benchmark results were terrible.
SuperPi is a given how x87 works on AMD CPUs

AIDA64 I don't really bother

Quote:
Originally Posted by SCollins View Post
anyone wondering if passmark is biased, should look at the bottom of this page
I wouldn't worry about it

http://www.cpubenchmark.net/cpu.php?...10+%40+2.90GHz

http://www.cpubenchmark.net/cpu.php?...on+HD+Graphics

If it was biased you would see a larger gap between two similar CPUs

Quote:
Originally Posted by Arni90 View Post
Actually looks quite plausible. The worrisome part is how bad IPC is, it's even worse than the original phenom.
Ops per Cycle is the same as Phenoms while having op fusion allowing for ALU+AGU ops to occur(Stars[+)((Llano)) and Bulldozer are the only things that can do op fusion for AMD CPUs)

Quote:
Originally Posted by Arni90 View Post
The way I see it:
Phenom II X2 -> FX 4170
Phenom II X3 -> FX 6100
Phenom II X4 -> FX 8100
Phenom II X6 -> FX 8150
The way you should see it

AMD FX 4-core => AMD PhII X4
AMD FX 6-core => AMD PhII X6
AMD FX 8-core => AMD PhII X8

Quote:
Originally Posted by Arni90 View Post
Remember one module is not comparable to two full cores. So a "four-core" BD is more comparable to a two-core processor with extremely good threading. chew and the others have said for several weeks now an 8C BD is more like a 4C/8T in effect.
A four-core Bulldozer is more comparable to a four-core processor

Quote:
Originally Posted by Arni90 View Post
3.3x scaling for a 2C/4T is actually really, really good, which means one core/module vs two core/module provides about 1.65x performance increase. The bigger problem is how clock speed needs to be at almost 6GHz to even compare against an i5-2500k stock.
Again it's Cinebench.... and if it was a 2c/4t it would be getting scaling of 2.1x

Quote:
Originally Posted by Arni90 View Post
I really do not hope we'll see these numbers, but it's definitely plausible.
You will see those numbers for Cinebench

The FX-8150 show us a score a Phenom II X8 would get so, I think chew* and other people should just stop
Edited by Seronx - 10/7/11 at 7:22pm
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post #203 of 401
Quote:
Originally Posted by radaja View Post
heres the rest of the slides-snip-
Thanks for all the slides!

btw - what presentation are these from?

I haven't read this thread yet.
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post #204 of 401
Quote:
Originally Posted by 2010rig View Post
Thanks for all the slides!

btw - what presentation are these from?

I haven't read this thread yet.
AMD Launch of FX CPUs we some how missed it
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post #205 of 401
Quote:
Originally Posted by Arni90 View Post
Take a look at 955 BE vs Q9500. They score about equal, how is that biased in any meaningful way? The i5-750 is almost 300 points or 7% ahead, which is about how much better it is in practice.

I really don't see how you can say Passmark is really that biased.
I didn't say passmark was biased, I am letting you draw your own conclusions.
post #206 of 401
Why is the NB still at 2000Mhz? Did AMD reuse the NB & IMC from Phenom II?
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post #207 of 401
Quote:
Originally Posted by SCollins View Post
I don't care about IPC persay, I care about IPS or instructions per second.
Which according to these leaks looks to be about 70% of what Intel accomplishes in single-thread. AKA: not good for any of us.
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post #208 of 401
Quote:
Originally Posted by Heavy MG View Post
Why is the NB still at 2000Mhz? Did AMD reuse the NB & IMC from Phenom II?
BIOS issue

NB should be at 2.2GHz/2.6GHz and L3 should be at 2.6GHz/3.2GHz
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post #209 of 401
Quote:
Originally Posted by Arni90 View Post

Which according to these leaks looks to be about 70% of what Intel accomplishes in single-thread. AKA: not good for any of us.
Well, running what software with which workload ? 70% of what metric. If the clock can make it meet the speed, then what say you ?

We ultimately care about IPS. Because that is the ultimate measure of work performed.
post #210 of 401
Quote:
Originally Posted by Heavy MG View Post
Why is the NB still at 2000Mhz? Did AMD reuse the NB & IMC from Phenom II?
AFAIK, everything is new for BD or improved.
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