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[TH] - AMD FX: Energy Efficiency Compared To Eight Other CPUs

post #1 of 32
Thread Starter 
Quote:
Bulldozer: Improvements Are Urgently Needed

(...)

Our own suite of tests includes a number of single- and multi-threaded applications, all updated to the latest versions possible. Run as scripted suited, they give us a general picture of efficiency that doesn't frame AMD's FX processors in a very positive light. In spite of a higher clock rate and more cores, the effective performance per clock cycle is, as we all know, lower. A higher frequency does not translate into substantial efficiency gains, even in the face of a more advanced 32 nm process node. Performance is adequate only when multi-threaded applications are run. As such, AMD is treading water with respect to efficiency, and we certainly wouldn't fault the AMD fans who continue buying Phenom II processors as a way to save some money.

Source.


We basically already knew this from other reviews, but here it goes, an article dedicated to it with lots of charts.


As always with these topics, be civil.
Edited by tpi2007 - 10/27/11 at 12:37pm
 
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post #2 of 32
anyone know why they used itunes 9?
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post #3 of 32
Quote:
Originally Posted by Nocturin View Post
anyone know why they used itunes 9?
"Real world performance". Isn't that what BD supporters always push?

Im just kidding of course.
    
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post #4 of 32
Quote:
Originally Posted by mad0314 View Post
"Real world performance". Isn't that what BD supporters always push?

Im just kidding of course.


different articles are using different versions of programs, just made me wonder .

Might wanna watch our for that human-centi-pad.

Dont agree to the TOS!
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post #5 of 32
I was quickly skimming pages, but how exactly did they measure power usage?
    
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post #6 of 32
Quote:
However, the conclusion is crystal clear: there are very few arguments in favor of the FX CPU right now.
Enough Said.
Edited by Steak House - 10/27/11 at 1:03pm
post #7 of 32
Yeah, too bad AMD really dropped the ball on power consumption with BD.
    
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post #8 of 32
That was in reference to everything.

Quote:
Our article AMD Bulldozer Review: FX-8150 Gets Tested thoroughly explores the technical details of AMD's general architecture and the products that emerge from it. It sheds light on the design, performance per core, power management, second-gen Turbo Core, and potential improvements in Windows 8, which is aware of AMD's architecture and can optimize for it.

However, the conclusion is crystal clear: there are very few arguments in favor of the FX CPU right now. Performance improvements above and beyond the Phenom II X6 are limited to heavily-threaded applications. In case of modern applications that don't utilize multiple threads, this Bulldozer digs its own grave. The only way to properly utilize the FX processor is to run applications able to tax its eight integer cores.
post #9 of 32
B3 revision is in the works. I would like to bet all of these benchmarks for the AMD CPUs are with the CPU-NB set at 2000mhz. The results are not that conclusive.
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post #10 of 32
Any date on B3 availability?
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