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 AMD Bulldozer & Bobcat

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lex
post Sep 16 2011, 07:41 PM

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QUOTE(wcypierre @ Sep 16 2011, 07:28 PM)
I wonder if you mind explaining a little on the picture, I don't really get it(not really good at hardware part  doh.gif   doh.gif  doh.gif )   icon_question.gif  icon_question.gif  icon_question.gif
Simple, the module is really the core itself (in other words, a module should be called a core). And inside the core, there's two clusters (AMD's marketing calls them cores, which can be misleading). One cluster is one hardware thread. wink.gif

On a side note: CPU World: AMD Opteron 6200 alleged benchmarks icon_rolleyes.gif

This post has been edited by lex: Sep 16 2011, 07:53 PM
wcypierre
post Sep 16 2011, 10:33 PM

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QUOTE(lex @ Sep 16 2011, 07:41 PM)
Simple, the module is really the core itself (in other words, a module should be called a core). And inside the core, there's two clusters (AMD's marketing calls them cores, which can be misleading). One cluster is one hardware thread. wink.gif

On a side note: CPU World: AMD Opteron 6200 alleged benchmarks  icon_rolleyes.gif
*
Thanks for the explanation notworthy.gif
zerorating
post Sep 17 2011, 02:06 AM

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bulldozer works like 4c/8t, its truly a disappointment, just hope amd's hyperthread(trademark of intel) technlogy is better than intel equivalent

new bulldozer benchmark, just take it as grain of salt
user posted image

not sure whether the bulldozer can beat phenom x6,as phenom x6 1090t can score 18555

This post has been edited by zerorating: Sep 17 2011, 03:22 AM
SUSnarong
post Sep 17 2011, 05:13 AM

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Hello guys,

I don't want talk about overclocking on this BD and SB.

I just want to know, which CPU will perform better (in term of technology and speed) between BD and SB (FX 8150 and i7 2600k).

I ask this, because I want to know if worth it for me to wait BD. Since the price for this both CPU almost same.

So if BD can perform better than i7 2600k (Normal mode: Without OC/tweak). I'll wait the BD smile.gif

Tyco2, please answer smile.gif
StratOS
post Sep 17 2011, 09:12 AM

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QUOTE(narong @ Sep 17 2011, 05:13 AM)
Hello guys,

I don't want talk about overclocking on this BD and SB.

I just want to know, which CPU will perform better (in term of technology and speed) between BD and SB (FX 8150 and i7 2600k).

I ask this, because I want to know if worth it for me to wait BD. Since the price for this both CPU almost same.

So if BD can perform better than i7 2600k (Normal mode: Without OC/tweak). I'll wait the BD smile.gif

Tyco2, please answer smile.gif
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No one can really give u an exact answer now until the BD is out for reviews.. I mean the official release model.. Just wait until its release and you get your answer.. Everyone's waiting..


sai86
post Sep 17 2011, 10:08 AM

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QUOTE(lex @ Sep 16 2011, 07:41 PM)
Simple, the module is really the core itself (in other words, a module should be called a core). And inside the core, there's two clusters (AMD's marketing calls them cores, which can be misleading). One cluster is one hardware thread. wink.gif

On a side note: CPU World: AMD Opteron 6200 alleged benchmarks  icon_rolleyes.gif
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OMG, n i really thought all the while AMD is really going for 8 physical core, instead of this. doh.gif so they avoid calling it 4c/8t (hyper-threading) not to get sued by intel?
thxs for this explanation btw wink.gif
everling
post Sep 17 2011, 10:28 AM

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I don't believe that Intel can sue, because their HT uses the same single core whereas AMD put down enough transistors to create two clusters. In any case, months ago, there were people that were sceptical that BD can give good performance numbers because of the HT comparison. That concern seems to have borne out and I hope that some hardware reviewers will test and report on that comparison.
wcypierre
post Sep 17 2011, 03:59 PM

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QUOTE(sai86 @ Sep 17 2011, 10:08 AM)
OMG, n i really thought all the while AMD is really going for 8 physical core, instead of this. doh.gif so they avoid calling it 4c/8t (hyper-threading) not to get sued by intel?
thxs for this explanation btw wink.gif
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I thought of the same thing as well tongue.gif . Its because the site said its 8 core so I thought its 8 physical core, in the end, 4 cores / 8 thread doh.gif

I wonder what would be the price of AMD FX? btw, just asking, will my AM2+ motherboard support it?
zerorating
post Sep 17 2011, 04:33 PM

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QUOTE(wcypierre @ Sep 17 2011, 03:59 PM)
I thought of the same thing as well  tongue.gif . Its because the site said its 8 core so I thought its 8 physical core, in the end, 4 cores / 8 thread   doh.gif
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however it is, the 2nd thread is still pure hardware, not logical, hope the 2nd thread for every module having more than 70% efficiency/performance of the first thread in a module

user posted image
what will happen if the next amd trinity comes in 1 module for low-end laptop, would it bottleneck so much if it is 1cpu/2thread (as similar to pentium 4 ht)

i wondered why the cpu usage pattern for bulldozer when running dirt3 is like real cpu pattern for every thread, do anyone have cpu usage pattern for ht-enabled i7 processor that we can compare
user posted image

This post has been edited by zerorating: Sep 17 2011, 04:40 PM
owikh84
post Sep 17 2011, 06:55 PM

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QUOTE(zerorating @ Sep 17 2011, 04:33 PM)
however it is,  the 2nd thread is still pure hardware, not logical, hope the 2nd thread for every module having more than 70% efficiency/performance of the first thread in a module

what will happen if the next amd trinity comes in 1 module for low-end laptop, would it bottleneck so much if it is 1cpu/2thread (as similar to pentium 4 ht)

i wondered why the cpu usage pattern for bulldozer when running dirt3 is like real cpu pattern for every thread, do anyone have cpu usage pattern for ht-enabled i7 processor that we can compare

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Dirt3 on my i7 2600K HT + 3X GTX580 @ 2560x1600 ultra
it uses all the cores, but not all the threads
user posted image
zerorating
post Sep 17 2011, 07:37 PM

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QUOTE(owikh84 @ Sep 17 2011, 06:55 PM)
Dirt3 on my i7 2600K HT + 3X GTX580 @ 2560x1600 ultra
it uses all the cores, but not all the threads
user posted image
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thanks for this photo,can safely said that amd thread management seems better or it is really physical core
i wondered if we can see any ipc increase per core for bulldozer compared to phemom II x6
kwlian
post Sep 17 2011, 09:06 PM

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QUOTE(everling @ Sep 17 2011, 10:28 AM)
I don't believe that Intel can sue, because their HT uses the same single core whereas AMD put down enough transistors to create two clusters. In any case, months ago, there were people that were sceptical that BD can give good performance numbers because of the HT comparison. That concern seems to have borne out and I hope that some hardware reviewers will test and report on that comparison.
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@.@ HT nt even a patent , hw can intel sue =O
kingkingyyk
post Sep 17 2011, 09:12 PM

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I still with popcorn and wait for the benchmark of market units. smile.gif

According to AMD, to get the actual performance of Bulldozer, you need latest chip, latest cpu microcode, latest bios, latest optimization of OS, latest driver, latest programs, people with correct understanding and testing.

P/S : Driver? brows.gif Something weird in processor.
user posted image
Weird result. smile.gif

This post has been edited by kingkingyyk: Sep 17 2011, 09:33 PM
SUSnarong
post Sep 17 2011, 10:29 PM

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QUOTE(StratOS @ Sep 17 2011, 09:12 AM)
No one can really give u an exact answer now until the BD is out for reviews.. I mean the official release model.. Just wait until its release and you get your answer.. Everyone's waiting..
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Ok. Will wait, by the way. Any update on exact release date? Early october or end of october?
lex
post Sep 18 2011, 07:38 AM

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More benchmarks: Nordichardware: AMD FX series into mass production, and launch is expected in October [Exclusive]...
QUOTE(Jacob Hugosson @ Sep 17 2011, 20:00 PM)
AMD's processor architecture Bulldozers have been a long roller-coaster with delays and silence from AMD. AMD has not been able to offer other than silence, but in conversation with one of the employees of AMD confirmed that the FX series begun mass production and that the launch should not be too far away.

AMD was first to have launched its FX-series processors in the second quarter of this year, something that had to be postponed to a later date. Instead, they promised one within 60 - 90 days June 1, therefore, that by August something we all know did not occur. The next rumor was September, but we do not know will happen.

NordicHardware have now got hold of more concrete information on Bulldozers from one of its employees. We asked about what has actually been going in recent months with the FX series and why AMD has given us nothing but total silence. The answer was somewhat alarming, AMD has not even themselves know where they could launch the FX series, so they simply have not had anything to say to the media about it.

The situation remains very uncertain in AMD and you do not really know when the launch will take place, but mass production of AMD "Bulldozer" FX series has begun. As it stands today, hope AMD internally at a launch in 4-5 weeks. The latest rumors talk about a launch October 13 and in view of the 4 - 5 weeks we have heard directly from AMD, it may very well be true.

user posted image
The test system with the FX 8150 AMD showed off

We also got the chance to briefly sit by a system equipped with 8-core processor, the FX-8150 with a clock speed of 3.6 GHz with a turbo mode at 4.2 GHz. Because of the very limited time period so we had time only to run the obsolete SuperPi 1.5 and wPrime 2:05. Unfortunately, the results far out to be something that represents the final product so take this information with a large pinch of salt.
user posted image
In the obsolete SuperPi took 20.992 seconds to figure out a million decimal places. Given that Bulldozer is a completely new architecture, it is very possible that AMD has chosen not to do further optimization for x87 code. Then we should not forget that SuperPi is no longer a reliable indicator of performance, but it is much worse compared to previous AMD processors.
user posted image
In the newer and more interesting wPrime 2:05 to get the CPU a final score of 15.815 seconds. We have reason to believe that this is not true, as Bulldozers in such cases would perform roughly equivalent to AMD A6-3650, according to our own tests. The odd, or should we say really bad performance figures may be due to several different things. But something that is likely is that the processor has either an older stepping, or the BIOS, the computer had not arrived with the latest AGES code from AMD.

Although performance figures are not the most credible, we can confirm one thing: If all goes as planned with AMD is launching the new FX series within 4-5 weeks. We should also then get the green light in on the new flagship from AMD has been worth the long wait. AMD still say they expect the FX series is the world's fastest consumer processor.
...more at the source. wink.gif

This post has been edited by lex: Oct 2 2011, 06:06 PM
whitedrake88
post Sep 18 2011, 11:28 AM

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QUOTE(narong @ Sep 17 2011, 10:29 PM)
Ok. Will wait, by the way. Any update on exact release date? Early october or end of october?
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I just hope they will release before BF3 unsure.gif .... I need upgrade my Athlon II x4 !!! cry.gif
yshiuan
post Sep 18 2011, 12:04 PM

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QUOTE(whitedrake88 @ Sep 18 2011, 11:28 AM)
I just hope they will release before BF3  unsure.gif .... I need upgrade my Athlon II x4 !!! cry.gif
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ur x4 still ok la. wait for newer revision of BD better tongue.gif
whitedrake88
post Sep 18 2011, 01:33 PM

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QUOTE(wcypierre @ Sep 18 2011, 01:16 PM)
I wonder what would be the price of AMD FX? btw, just asking, will my AM2+ motherboard support it?
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No .... AMD FX will only fit in AM3+ mobo.. BTW issit possible to fit in AM3 after bios update?


Added on September 18, 2011, 1:36 pm
QUOTE(yshiuan @ Sep 18 2011, 12:04 PM)
ur x4 still ok la. wait for newer revision of BD better tongue.gif
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but the FPS different between X4 and i5 is huge cry.gif

This post has been edited by whitedrake88: Sep 18 2011, 04:22 PM
saturn85
post Sep 18 2011, 05:05 PM

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QUOTE(whitedrake88 @ Sep 18 2011, 11:28 AM)
I just hope they will release before BF3  unsure.gif .... I need upgrade my Athlon II x4 !!! cry.gif
*
you can try the athlon ii x4 at 3.61ghz to run superpi and compare the result on bro lex post. tongue.gif
probably didn't have much different? unsure.gif
QUOTE(wcypierre @ Sep 18 2011, 01:16 PM)
I wonder what would be the price of AMD FX? btw, just asking, will my AM2+ motherboard support it?
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amd fx (bulldozer) need am3+ board,
since it is not support ddr2 ram.
QUOTE(whitedrake88 @ Sep 18 2011, 01:33 PM)
BTW issit possible to fit in AM3 after bios update?
but the FPS different between X4 and i5 is huge  cry.gif
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i think previously asus got announce some of their board can support amd fx cpu with bios update.
but now no news.. unsure.gif

sandy bridge architecture perform better in gaming. brows.gif
whitedrake88
post Sep 18 2011, 05:11 PM

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QUOTE(saturn85 @ Sep 18 2011, 05:05 PM)
you can try the athlon ii x4 at 3.61ghz to run superpi and compare the result on bro lex post. tongue.gif
probably didn't have much different? unsure.gif
ya not much different in gaming...just hope the FX series will win over SB else I wait for IB

This post has been edited by whitedrake88: Sep 18 2011, 05:11 PM

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