Thursday, May 24th 2007

Intel responds to Barcelona benchmarks

In response to AMD's Barcelona benchmarks Intel demoed its V8 platform. Two quad core Xeons at 3GHz with 16GB RAM score an impressive 4933 pixels per second in POV-Ray. In comparison AMD's quad quad core Barcelona (16 cores total) score just over 4000 pixels per second. Even though AMD did not mention the clockspeed and said the final version will run faster AMD still uses 16 cores while Intel uses 8. Of course Barcelona is not yet a final product, Intel is not impressed though.
Besides that Intel also demoed a Penryn which outperformed the current top of the line quad cores by 40%, quite impressive.
Source: Überpulse
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94 Comments on Intel responds to Barcelona benchmarks

#76
suraswami
I think they made their 386 & 486 processors. Some had encryption of 'AMD' on it. Google for history of AMD and Intel and you can find answers to this.
Posted on Reply
#77
GJSNeptune
WarEagleAUThat is a new one to me, about AMD building chips for Intel (while back) and also about a few folks from AMD coming to Israel to work on a second chip for Intel.
Check out this thread, or this reply to that thread.
Posted on Reply
#78
suraswami
Ha Ha our friends already wrote about this few days ago!!!!:rockout: :toast: :roll:
Posted on Reply
#79
Unregistered
WarEagleAUThat is a new one to me, about AMD building chips for Intel (while back) and also about a few folks from AMD coming to Israel to work on a second chip for Intel.

The story reported, in MaximumPC and CPU magazine and at least a dozen others, is that Intel, shortly after AMD released the 64 processor, had two independent teams working on the next P4 successor chip (or whatever PX chip it was). One team came with Netburst, and of course, we all know how that ended. The other team started over from scratch. Something unheard of. They built off the centrino technology and pentium M technology and thus C2D was born. The only thing Intel lacks to completely compete with AMD is integrated memory architecture. Apparently, this is coming in the Penryn. AMD better take a few queues from Intel and try some of their new architecture out.
Close. Intel set two teams running in parallel to design the next architechture to come after the Pentium-3 set. The Israeli team started from a base on the P6 architechture, the other team started almost completely from scratch in designing the Netburst architechture - there was 'some' previously designed basis for Netburst though.
Intel went with Netburst, as preliminarily it portrayed a product whose scalability far outreached the P6 based design. However, they soon found a use for the Israel based designs in Laptop computers.

We all know the story from here. K7 fell to Netburst (just) but AMD's tweaked K7 (K8) had a much better IPC than Intel could cope with, especially since Netburst fell short of their original expectations after it was revealed that the ultra-long pipeline shift and over-complex design lead to massive electron leakage, and reduced scalability.
And so, seeing this Intel turned to the Israeli team and said: "We want Pentium-M, but with two cores, in a desktop - and we want a slightly longer pipeline to give us much better clocks" - and that's what Core2 became (well, massive oversimplification, but that's the gist).
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#80
Fox34
So the core2 is a modified M with long pipe lines..but the core 2's perform extremely well at a much lower clock than a higher clocked AMD, so adding the longer pipe line to give a higher clock doesn't make to much sense at seeing the Core2 default clock speeds, but after seeing the over clocks that people have done with the core 2's, that makes it sensible.
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#81
a111087
what about the power consumption, 65W isn't 150W, AMD's 16 cores consume way less that intel's 8 cores
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#82
Fox34
Yea I was gonna say something about that, those Intels with freakin cook
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#83
bigboi86
K7 kicked Netbursts ass. AXP's were way better, except for multitasking, which intel had hyperthreading.
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#84
WarEagleAU
Bird of Prey
so I wasnt too off base with my memory recollection. Still AMD could learn a few tricks from Intel with its C2D stuff. I think we will see great improvements from both camps.
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#85
Fox34
Think AMD will start making their architecture somewhat like the core 2?
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#87
Fox34
hmmm, we should verify if it does or not
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#88
kwchang007
EastCoasthandleI thought C2D used shorter pipeline then P4??
yes it does c2d uses a 14 stage pipeline while the p4 uses a 30 stage pipeline
Posted on Reply
#89
trt740
DanTheBanjomanI highly doubt RAM size makes that much of a difference. Plus, you should also consider that Clvoertown has been available for half a year already and Barcelona isn't as of yet. Shortly after Barcelona Intel will also introduce the new Xeon MP's, which should be Barcelonas target. Tigerton will have the same amount of cores and features CSI. At that time both should be compared, since those 2 platforms are in the same market.
Yes the ram would make enought difference would most likely make them run neck and neck. We are talking 900 pixels after all.
Posted on Reply
#90
Fox34
So the core 2 has a smaller pipe line, why would they do that? And that sounds like the reason they have the lower overall clock.
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#91
[I.R.A]_FBi
for what u get for ur money, it surely kicks ass
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#92
Fox34
Bah, I'm an AMD fan boy though:toast:
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#93
kwchang007
Fox34So the core 2 has a smaller pipe line, why would they do that? And that sounds like the reason they have the lower overall clock.
core 2 duo has a "small, fat pipe" which is much better. a longer pipe can run a higher clock, yes but a short pipe has many more advantages. a short pipe takes less time to "fill" b/c it is shorter (im kind of peicing what i have heard together, if i am wrong, please tell me) and it takes less clocks to load the pipe up. also, when the branch predicter predicts the wrong next insturction, the whole pipe has to be flushed, so a long pipe her is worse. also, core 2 can process 4 instructions at once compared to pentium m and p4's 3 instructions at once, plus the whole macro ops thing.
Posted on Reply
#94
Fox34
Yea the shorter pipeline with a higher "bandwhidth" makes sense of the core 2, lower clock but still high performence
Posted on Reply
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