Thursday, May 12, 2005

Xbox 360 Fact Sheet

Okay, here's the real info, apparently:
http://www.xbox.com/en-US/xbox360/factsheet.htm.

Thanks to the Beyond 3D forums, where I saw the link (forum thread here):
http://www.beyond3d.com/forum/viewtopic.php?t=22836.

There are plenty of technical specs in the first link (fact sheet), and here are some highlights:
Polygon Performance: 500 million triangles per second
Pixel Fill Rate: 16 gigasamples per second fill rate using 4x MSAA
Shader Performance: 48 billion shader operations per second
Memory: 512 MB of 700 MHz GDDR3 RAM (Unified memory architecture)
Memory Bandwidth:
--22.4 GB/s memory interface bus bandwidth
--256 GB/s memory bandwidth to EDRAM
--21.6 GB/s front-side bus
Overall System Floating-Point Performance: 1 teraflop


Like I said earlier this week, I doubt that we'll actually be able to compare these numbers to the performance of the PS3 when it's unveiled next week. Sony doesn't do direct comparisons, usually. They'll talk about how the 385 cores in the PS3 are so sophisticated that direct comparisons are meaningless, or some obtuse bullshit like that. I do hope I'm wrong.

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