AMD Vishera FX-6300 & FX-4300 Review

Author: SKYMTL
Date: October 30, 2012
Product Name: FX-6300 & FX-4300
Part Number: FD6300WMHKBOX & FD4300WMHKBOX
Warranty: 3 Years
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Overclocking Results

Our experience overclocking the FX-6300 and FX-4300 can be distilled down to one word: easy. By increasing the voltage, disabling Turbo Core and upping the multiplier, we were able to add more than 1GHz to the clock speed of both processors. This is a massive departure from the abilities of similarly priced Intel CPUs which only allow for minor modifications that don’t amount to much. All of the results below were achieved using air cooling via a Thermalright TRUE Black. They have been tested via a 12 hour run of Prime95’s Small FTT test and are considered 24/7 stable.

Our FX-4300 came tantalizingly close to the 5GHz mark but even after some judicious bus speed adjustments, we were only able to hit the 4.966GHz mark. Make no mistake about it, such a massive clock speed increase is impressive and the resulting performance allowed the FX-4300 to play with some of the industry’s big boys.

Overclocking the FX-6300 yielded slightly lower clock speeds than our attempts with other Vishera processors but a final result of 4.864GHz was still quite respectful even though our sample refused to boot after increasing the bus frequency past the 203MHz mark. Unfortunately, it seemed like we were held back by the processor itself rather than heat since temperatures never went above the 76°C mark throughout our testing. Once again the end results were extremely impressive from a performance standpoint.


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