Question: A large amount (more than a third) of DRAM power can be due to page activation (see download.micron.com/pdf/technotes/ddr2/TN4704.pdf and www.micron.com/systemcalc). Assume you are building a

A large amount (more than a third) of DRAM power can be due to page activation (see download.micron.com/pdf/technotes/ddr2/TN4704.pdf and www.micron.com/systemcalc). Assume you are building a system with 1 GB of memory using either 4-bank 512 Mbit × 4 DDR2 DRAMs or 8-bank 1 Gbit × 8 DRAMs, both with the same speed grade. Both use a page size of 1 KB. Assume DRAMs that are not active are in precharged standby and dissipate negligible power. Assume the time to transition from standby to active is not significant. Which type of DRAM would be expected to result in lower power? Explain why.

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