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[AMDFX] AMD Steamroller IPC Leaked! Cosmology Benchmark! - Page 27

post #261 of 745
Quote:
Originally Posted by Kuivamaa View Post

I actually brought SCII up since it is one of the worst case scenarios for BD architecture and yet, it still more than matches stars clock for clock. PD is better than Ph II in pretty much everything.

sorta... an 1100T thuban and piledriver are close clock for clock with the 1100t usually 5%-15% faster depending. of course thuban didn't really overclock well... 4.2-4.4Ghz was probably the most you could get out of it.

In the end i think it was because of the 1100T and how disappointing bulldozer was that you get this weird impression that all bulldozer/piledrivers are inferior chips to phII. Frankly piledriver is a little faster then deneb clock for clock, and as we know deneb didn't usually overclock well at all. and while thuban might be as fast (or a little faster) as piledriver it certainly won't overclock as well.

I think what makes people excited about steamroller is the idea of almost a sandybridge core i level performance on an amd priced chip. That also means it will be the first true and significant step forward in processor speed for AMD since the 1100T came out in December of 2010, 3 years ago.
Edited by azanimefan - 10/30/13 at 12:51pm
 
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post #262 of 745
Quote:
Originally Posted by MoGTy View Post

Yes and I wonder what the power consumption would be like. A little birdie told me the EU might just cap CPUs at 90W in the not too distant future.
At least we have an efficient power grid compared to that low voltage stuff America and some other parts of the world are running.
post #263 of 745
Quote:
Originally Posted by azanimefan View Post

sorta... an 1100T thuban and piledriver are close clock for clock with the 1100t usually 5%-15% faster depending. of course thuban didn't really overclock well... 4.2-4.4Ghz was probably the most you could get out of it.

In the end i think it was because of the 1100T and how disappointing bulldozer was that you get this weird impression that all bulldozer/piledrivers are inferior chips to phII. Frankly piledriver is a little faster then deneb clock for clock, and as we know deneb didn't usually overclock well at all. and while thuban might be as fast (or a little faster) as piledriver it certainly won't overclock as well.

I think what makes people excited about steamroller is the idea of almost a sandybridge core i level performance on an amd priced chip. That also means it will be the first true and significant step forward in processor speed for AMD since the 1100T came out in December of 2010, 3 years ago.

Sometimes clockrates don't match up on chips simply because they are completely designed differently. Best to find the clocks that match each other's benchmarks and see which has the more overclocking potential out of the two. IPC can be a disillusion. For example if a processor came out and was stock 3.2 ghz and was performing as good benchmark wise as a 2.8ghz something else, but that something else could only get an overclock of 3.8 max and the other at 3.2 was hitting 5.0ghz as long as the scalability of the performance surpasses the other's peak overclock. The other would be superior regardless of IPC.

This also means that improving IPC in future chips provides significant headroom.
Edited by SpeedyVT - 10/30/13 at 1:03pm
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post #264 of 745
When will europeans stop capping and sanitizing everything. I want 3.5L engines back in formula one dang-it!!!
Quote:
Originally Posted by maarten12100 View Post

At least we have an efficient power grid compared to that low voltage stuff America and some other parts of the world are running.
post #265 of 745
Quote:
Originally Posted by azanimefan View Post

sorta... an 1100T thuban and piledriver are close clock for clock with the 1100t usually 5%-15% faster depending. of course thuban didn't really overclock well... 4.2-4.4Ghz was probably the most you could get out of it.

In the end i think it was because of the 1100T and how disappointing bulldozer was that you get this weird impression that all bulldozer/piledrivers are inferior chips to phII. Frankly piledriver is a little faster then deneb clock for clock, and as we know deneb didn't usually overclock well at all. and while thuban might be as fast (or a little faster) as piledriver it certainly won't overclock as well.

I think what makes people excited about steamroller is the idea of almost a sandybridge core i level performance on an amd priced chip. That also means it will be the first true and significant step forward in processor speed for AMD since the 1100T came out in December of 2010, 3 years ago.

Solid truth right here boys and girls. Those claiming BD "crushes" Thuban are delusional. The only category it crushes it in is power consumption lulz. PD makes it much more neck and neck, but still inconclusive. The excitement over the promise of SR is because it could assume the undisputed performance mantle for AMD, once and for all. Back on topic, I for one am super skeptical over the source material, and don't care for how it is statistically manipulated to give a WOW!!!! factor. I'll take it with a big ol lump of salt for another 2 weeks.
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post #266 of 745
Well the fact that Vishera 6300 can OC much higher than Thuban can with a stable clock means it's better by default. I don't think "crush" is the right terminology, but if I were to build a personal AM3+ machine for myself, I would choose the 6300 over any of the Thubans.
post #267 of 745
Quote:
Originally Posted by azanimefan View Post

sorta... an 1100T thuban and piledriver are close clock for clock with the 1100t usually 5%-15% faster depending. ... Frankly piledriver is a little faster then deneb clock for clock

You do know that Deneb and Thuban are the same speed clock for clock right? Well except in the memory controller, Thuban was slower than Deneb by about 1% in that area but clocked a bit higher on average there so it easily made up the difference. The differences between Deneb and Thuban cores are pretty much just the addition of turbo core. But to say that a Thuban core is faster than a Deneb would be like saying a Deneb is faster than a Callisto core, they are both the same... When you say Piledriver is a bit faster than Deneb and ~10% slower than Thuban you are saying completely opposite things.
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post #268 of 745
Quote:
Originally Posted by EniGma1987 View Post

You do know that Deneb and Thuban are the same speed clock for clock right? Well except in the memory controller, Thuban was slower than Deneb by about 1% in that area but clocked a bit higher on average there so it easily made up the difference. The differences between Deneb and Thuban cores are pretty much just the addition of turbo core. But to say that a Thuban core is faster than a Deneb would be like saying a Deneb is faster than a Callisto core, they are both the same... When you say Piledriver is a bit faster than Deneb and ~10% slower than Thuban you are saying completely opposite things.

not entirely true. not all denebs had the same IPC... the later denebs had better IPC then the earlier ones. thats why 940s at 3.5ghz were slower then 965s at 3.5ghz... when you factor out things like memory speeds. Same for the thuban... that said generally thuban was a little faster then the late era deneb, and the 1100T was the last revision of the thuban chipset, yeilding slightly improved ipc numbers over the 1090t (better overclocks too).

There were small ipc improvements all through the K10 run, every generation of chip squeezing a little better IPC over the previous ones. if you doubt me look at the benches at similar clocks... the PhII architecture gets steadily faster throughout the run. Peaking with Thuban and the 1100T.
 
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post #269 of 745
Generally all Phenom II chips had the same actual clock-for-clock performance. I never really saw any major differences between steppings or anything. Any different numbers may have been from boosted NB speeds or what have you, or simple margin of error.

Also Phenom & Phenom II were considered part of the K8 family, K10 is actually Bulldozer.
post #270 of 745
Quote:
Originally Posted by Kuivamaa View Post

I actually brought SCII up since it is one of the worst case scenarios for BD architecture and yet, it still more than matches stars clock for clock. PD is better than Ph II in pretty much everything.

But it's a game where Intel has like a 70% advantage in minimum FPS, it's a joke.
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