AMD’s FX-series Zambezi processors (based on Bulldozer cores) were highly anticipated back in 2011 and people actually had some hopes from them. AMD’s advertisement was also top notch but once finally out after a long wait, they failed to impress most people. Obviously, AMD brought something new like 8-core consumer CPU to the market for a reasonable price but when it came to performance, the Bulldozer based Zambezi processors didn’t do anything special. The single-threaded performance was considerable lower than Intel’s offering and there weren’t many applications to fully utilize 8-core. All in all, the Zambezi was a disappointment.
Fast forward to October 23, 2012 and AMD launches second instalment of FX-series; the Piledriver based Vishera processors. These chips are based on same 32nm manufacturing process from GlobalFoundries as the previous generation Zambezi chips which means that there isn’t much room for new architecture or considerable improvements. Explaining it briefly, one can say that Vishera and Zambezi are same chips; AMD just swapped the old Bulldozer cores with the new Piledriver cores. These are the same cores used in recently launched Trinity APUs but the integrated graphics are missing and in Vishera the cores are optimized solely for performance.
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