Why embedded DRAM?
Graphics accelerator needs GB/s of memory bandwidth, to render at 600 MPIX/s at true color and 32-bit Z, 7.2 GB/s of memory bandwidth is required
External memory can no longer provide enough bandwidth for future graphics accelerators
Cost-efficient - less chips on board
Reduced power consumption
Customized size - we needed exactly 9 MB (= 72 Mbits)
Customized organization in terms of bus width, banks, etc.