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People were saying how much greater the Cell is than Xenon. Cell may be more precise than Xenon cause of its SPEs, but Xenon has more raw processing power cause of its true, 3 core versus Cells 1 core. Cells 8 SPEs doesnt matter since they are only as fast as the PPE that is a controller for each SPE and if the PPE struggles, they struggle.Link
Think of games like Kameo and N3 with hundreds or thousands of enemys on screen, thanks to its 3 cores its able to multiply its AI and Physics better than cell because its more efficient and more data is able to be pushed through its 3 cores, thats why it has a 512MB GPU Vs 256MB. Another example is Forza 2, 360 physics and AI calculations per second, along with real-time damage for all 300+ cars all at 60fps. http://news.teamxbox.com/xbox/11214/Forza-2-60fps-Better-Physics-and-PGR3like-TV-Confirmed/
"It was revealed that the game engine is multi-threaded...It is therefore likely that the Xbox 360 version will also be able to take advantage of the Xenon CPU's three cores which have a total of six threads."
"It was also claimed that the game is unlikely to run on single-core systems"Link
If you look below, Each CPU in the Xenon only has to handle 2 threads, The Cells 1 CPU has to handle 8 threads, making it much less efficient and sometimes less powerful.
Xenon:
Cell:
Another reason Xenon is more efficient:
"The CPU cores (there are three) are the highest frequency PowerPC cores currently available, running at 3.2GHz. Throughout, the CPU uses extensive clock gating, leaving pipelines shut down until there are instructions to be processed; this dramatically reduces power consumption under real-world loads. The basic design is a 64-bit PowerPC architecture, with the complete PowerPC ISA available"
http://www-128.ibm.com/developerworks/power/library/pa-fpfxbox/
EDIT: This is not my original info, its from another site i visit often. someone there brought it up and i figured i would bring it here. pretty interesting.
Think of games like Kameo and N3 with hundreds or thousands of enemys on screen, thanks to its 3 cores its able to multiply its AI and Physics better than cell because its more efficient and more data is able to be pushed through its 3 cores, thats why it has a 512MB GPU Vs 256MB. Another example is Forza 2, 360 physics and AI calculations per second, along with real-time damage for all 300+ cars all at 60fps. http://news.teamxbox.com/xbox/11214/Forza-2-60fps-Better-Physics-and-PGR3like-TV-Confirmed/
"It was revealed that the game engine is multi-threaded...It is therefore likely that the Xbox 360 version will also be able to take advantage of the Xenon CPU's three cores which have a total of six threads."
"It was also claimed that the game is unlikely to run on single-core systems"Link
If you look below, Each CPU in the Xenon only has to handle 2 threads, The Cells 1 CPU has to handle 8 threads, making it much less efficient and sometimes less powerful.
Xenon:
Cell:
Another reason Xenon is more efficient:
"The CPU cores (there are three) are the highest frequency PowerPC cores currently available, running at 3.2GHz. Throughout, the CPU uses extensive clock gating, leaving pipelines shut down until there are instructions to be processed; this dramatically reduces power consumption under real-world loads. The basic design is a 64-bit PowerPC architecture, with the complete PowerPC ISA available"
http://www-128.ibm.com/developerworks/power/library/pa-fpfxbox/
EDIT: This is not my original info, its from another site i visit often. someone there brought it up and i figured i would bring it here. pretty interesting.
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