many devs have already stated this, but IGN has now done a complete showdown. Here are the results.
They say the ps3 is more powerful because
1. Better CPU
Xbox 360PS33.2 GHz Xenon processor3.2 GHz Cell processor3 dual-threaded cores7 single-threaded cores (plus 1 backup core)Maximum 77 GFlopsMaximum 230 GFlops
The two CPU chips run at the same GHz speed, but the PS3's seven individual cores beat out the Xbox's three dual-threaded cores. And in terms of performance measured in gigaflops, the PS3 tops out at nearly three times that of the Xbox.
Interestingly, the new combined CPU/GPU chip used in the new Xbox 360 is theoretically faster than the individual chips in older models. But in order to ensure proper functionality, Microsoft was forced to install a "frontside bus replacement block" that introduces latency and forces the chip to run at the same speed as the older model. This new combined chip may edge out the PS3's CPU in terms of reliability and temperature control, but no long term tests have been performed yet.
2. Better RAM
Xbox 360PS3512 MB GDDR3 RAM (shared with GPU)256 MB XDR RAM700 MHz speed3.2 GHz speed22.4 Gbps bandwidth25.6 Gbps bandwidth
Once again, the Xbox's total amount of RAM is slightly misleading, as the system RAM and video RAM are shared. The PS3's XDR RAM is also far more fast and efficient than the Xbox's GDDR3 RAM, running at a speed of 3.2 GHz compared to 700 MHz.
Final bandwidth numbers prove PS3 is the victor in this category.
3. Better Hard Drive
4. Better Disc Drive
5. Better Video Support
6. Better Audio Support
7. Better Connectivity
and IMO BETTER GAMES. Discuss.
http://gear.ign.com/articles/111/1116182p1.html
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