We won't compare the Core i5-750 results from our previous review here, because the newer graphics drivers showed some notable performance differences compared to the older results.
As we saw in our previous review, the first thing we notice is sub-par performance from the stock Pentium G6950. If you're a budget gamer and uncomfortable with overclocking, this processor should probably be avoided in favor of something faster.
The Phenom II X2 555 fares a little better at its stock clock rate, but it really takes overclocking to get both the Intel and AMD solutions at a similarly impressive level of performance.
Unlocking the Phenom II X2 555's dormant CPU cores only seems to deliver a noticeable advantage in Far Cry 2. Otherwise, most of these games don't seem to care if there are two or four CPU cores present.