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[Various] AMD’s Zen Eight Core CPU Delivers Double the Performance of the FX 8350 (Update 2) - Page 9

post #81 of 564
Quote:
Originally Posted by FlailScHLAMP View Post

i expect a 4c/8t zen part to land somewhere between a fx9370 and the 4790k depending on clock speed. but is the 8c/16t IS actually 95w we are looking at a close to 60-65w part @ 4c/8t with a higher base clock than the 8c/16t version
because it doesnt come with iGPU + it is on 14nm. 4790K is CPU + GPU to make up the 88w @ 22nm.
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post #82 of 564
Quote:
Originally Posted by maarten12100 View Post

That was back then when that was their plan at the time. Excavator and Steamroller are totally different beasts actually the only emphasis was getting the efficiency up on this horrendous architecture.

 

But there are definitely IPC improvements on Steamroller and Excavator that match AMD's projections, there's just the issue of ever-lowering clock speeds that negate the performance boosts. They kept their word to improve by at least 10% every generation, if nothing else. 

post #83 of 564
Quote:
Originally Posted by FlailScHLAMP View Post

i expect a 4c/8t zen part to land somewhere between a fx9370 and the 4790k depending on clock speed. but is the 8c/16t IS actually 95w we are looking at a close to 60-65w part @ 4c/8t with a higher base clock than the 8c/16t version

so mid 700s to high 900s ( in terms of score that is in r15 mt cinebench)

I doubt that. The 4c8t model is likely to have an IGPU as there as been zero noise concerning a 4-core (50% disabled) Zen salvage part.
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post #84 of 564
Quote:
Originally Posted by KarathKasun View Post

Quote:
Originally Posted by FlailScHLAMP View Post

i expect a 4c/8t zen part to land somewhere between a fx9370 and the 4790k depending on clock speed. but is the 8c/16t IS actually 95w we are looking at a close to 60-65w part @ 4c/8t with a higher base clock than the 8c/16t version

so mid 700s to high 900s ( in terms of score that is in r15 mt cinebench)

I doubt that. The 4c8t model is likely to have an IGPU as there as been zero noise concerning a 4-core (50% disabled) Zen salvage part.

95/2 = 47.5

65-47.5

~20w for an igpu when the kaveri igpu uses all of 35w.
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post #85 of 564
Quote:
Originally Posted by CataclysmZA View Post

But there are definitely IPC improvements on Steamroller and Excavator that match AMD's projections, there's just the issue of ever-lowering clock speeds that negate the performance boosts. They kept their word to improve by at least 10% every generation, if nothing else. 
There were certainly some IPC improvement there was a review of this by a German site comparing Excavator to Pile and Steam.
http://www.planet3dnow.de/cms/18564-amd-piledriver-vs-steamroller-vs-excavator-leistungsvergleich-der-architekturen/
It's in German obviously.
post #86 of 564
Talk talk talk just never-ending talk from AMD. We're STILL waiting on Polaris and it's not even a high-end chip while Nvidia beat them by a mile to a faster chip. And now long have we been hearing about a supposedly beastly new CPU from them without actually seeing anything? I want to believe you, AMD. I truly want to have hope. But they haven't earned the benefit of the doubt from anybody at this point.
post #87 of 564
even if it's 80% as good I will get it, intel has been too abusive with the pricing and "k" edition nonsense.
post #88 of 564
Quote:
Originally Posted by The Stilt View Post

Even if 8C/16T Zeppelin would have twice the performance of a FX-8350 at the same frequency, it still doesn't mean Zeppelin will be able to reach even remotely twice the actual performance of a FX-8350. The FX-8350 / FX-8370 runs at 4.0GHz in MT workloads and up to 4.2GHz with ST workloads. There is no way 8C/16T Zeppelin can reach those clocks at 95W. It isn't even certain that the process or the design can hit clocks that high even when overclocked. Just look at the clocks and TDPs similar Intel chips are rated for. And that's on a significantly better process too.

If 8C/16T Zeppelin would be 2.8GHz base frequency (i.e MT workloads) it would be 40.35% faster than FX-8350 / FX-8370 (4.0GHz), not twice as fast wink.gif

The more we approach the launch of Zen the I see your frequency theory failing.
We don't know it will run at low frequencies either but Samsung's 14nm is in direct competition whit TSMC's 16nm and if AMD would have obtained a clear clock advantage using TSMC's process we would not see Zen 14nm CPUs. At this point it's safe to assume Samsung's 14nm can clock just as good given the same circumstances.
Edited by Serios - 5/25/16 at 5:24am
post #89 of 564
Multi thread performance is good, what about single thread IPC? Or did they just happen to 'forget' that graph.
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post #90 of 564
Quote:
Originally Posted by davidelite10 View Post

Multi thread performance is good, what about single thread IPC? Or did they just happen to 'forget' that graph.

Their claims of 40% ipc over Excavator is for single thread.
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