Microsoft has unveiled the first technical details for the XBox One today at Hot Chips 25. The Xbox One supports shared coherent memory between 8 AMD Jaguar cores and it's DX 11.1+ GPU, includes 8GB DDR3 memory which peaks at 68GB/sec, 264GB/s total memory bandwidth, and a 500 GB Hard Drive.

Xbox One Specs:

• Custom Jaguar x86-64 cores, two clusters of 4 cores
• 68 GB/sec peak bandwidth to off-chip 8GB DDR3 memory.
• 204 GB/s peak bandwidth to 32MB of on-die storage.
• 47MB of cache
• 8G DDR3 
• 8G FLASH
• Coherent Shared Memory
• Memory sharing & bandwidth (HSA HUMA)
• DX11.1+ GPU @ 1.71 BILLION POLYGONS A SECOND
• 264GB/s total memory bandwidth
• GPU CONTAINS 15 co-processors
• 500 GB HARD DRIVE ++
• Audio offload processor 15 GFLOPS

XBox One Main SoC (System on a chip)

XBox One System

Xbox One CPU

Xbox One GPU

XBox One audio diagram