AMD ATI Radeon HD 3800 Series User Manual download pdf (Page 14)

Beyond Programmable Shading: Fundamentals

All slides © 2008 Advanced Micro Devices, Inc. Used with permission.

All slides © 2008 Advanced Micro Devices, Inc. Used with permission.

Memory Controller Architecture

• New distributed design with hub

• Controllers distributed around

periphery of chip, adjacent to

primary bandwidth consumers

• Memory tiling & 256-bit interface

allows reduced latency, silicon area,

and power consumption

• Hub handles relatively low

bandwidth traffic

– PCI Express, CrossFireX interconnect,

UVD2, display controllers,

intercommunication)

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