Here is Major Nelson for you:
"Our world class technology team looked at the numbers and claims and decided to do what everyone else does: compare them to the PS3. The difference it that these guys are uniquely qualified to do so, and
can cut through the smoke and mirrors to see what the real deal is.
There are three critical performance aspects of a console:
Central Processing Unit (CPU) performance.
The Xbox 360 CPU architecture has three times the general purpose processing power of the Cell.
Graphics Processing Unit (GPU) performance
The Xbox 360 GPU design is more flexible and it has more processing power than the PS3 GPU.
Memory System Bandwidth
The memory system bandwidth in Xbox 360 exceeds the PS3′s by five times.
Xbox 360 has 278.4 GB/s of memory system bandwidth. The PS3 has less than one-fifth of Xbox 360′s (48 GB/s) of total memory system bandwidth.
CONCLUSION
When you break down the numbers, Xbox 360 has provably more performance than PS3. Keep in mind that Sony has a track record of over promising and under delivering on technical performance. The truth is that both systems pack a lot of power for high definition games and entertainment.
However, hardware performance, while important, is only a third of the puzzle. Xbox 360 is a fusion of hardware, software and services. Without the software and services to power it, even the most powerful hardware becomes inconsequential. Xbox 360 games ”by leveraging cutting-edge hardware, software, and services” will outperform the PlayStation 3."
http://majornelson.com/2005/05/20/xbox-360-vs-ps3-part-1-of-4/
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He certainly knows how to bend the truth. CBOAT all the way for me.