You’ve been waiting through years of rumour and innuendo but the day has finally arrive, AMD’s brand new Bulldozer architecture is here.  It is like nothing we’ve seen before in any chip based off of the venerable Athlon line, which has served dutifully for over a decade.  Bulldozer takes AMD’s vision of a dual core processor not as two cores sewn together, but more as Siamese twins which share vital resources and are so closely conjoined that you cannot truly say where one ends and the other begins.  The Bulldozer core is exactly that, while only four Bulldozer cores exist they can handle eight integer execution units, and four shared 2 x 128 bit floating point/SIMD which is interpreted by your OS as 8 cores.

Implementing a new technology is not without its drawbacks.  The Athlon/Phenom architecture has been perfected by AMD thanks to its long life, while the Bulldozer is brand new and they’ve already started polishing it into Piledriver which will we see in the not too distant future (especially compared to the wait for Bulldozer).  That immaturity is shown in Ryan’s review where he compares it clock for clock to a Phenom II.  It gets worse when compared against SandyBridge as the Bulldozer can at most occaisonally equal the performance of an i7-2600K.  The only saving grace is price when you look at heavily multi-threaded applications and there are not many out there. 

 However one benchmark cannot tell the whole story, which is why [H]ard|OCP released two reviews on Bulldozer which focus on different aspects of the chips performance.  Start off with their look at the performance which will give you an idea of how the chip performs under normal circumstances with its power saving features enabled and overclocked with those features disabled.  Then they head onto what most people are interested in, the gaming benchmarks.  Theoretical and productivity software benchmarks are one thing but we’ve all got to have fun sometimes and for those moments the new FX chips don’t look too bad at all … unless you are a Civ V fan.  

"Computer hardware enthusiasts have literally waited for years for AMD’s Bulldozer architecture to come to market and we finally see this today in its desktop form, code named Zambezi, brand named AMD FX. In this article we share with you our analysis of Bulldozer’s performance in synthetic benchmarks and desktop applications."

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