We were able to put the Athlon 64 X2 5000+ base clock at 220 MHz, a 10% increase on the CPU clock. We could only achieve this result after increasing the CPU voltage to 1.3375 V (the CPU default voltage is 1.31 V). We could put it running at a higher clock rate, but the system was unstable. We didn’t push overclocking too much, so with more patience and playing with other settings you may achieve better results than we did.

Figure 5: Athlon 64 X2 5000+ overclocked to 2.86 GHz.

With this overclocking PCMark05 scores increased 5.02% for the system batch and 9.35% for the CPU batch.