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The 8-core 64-thread 64b power-efficient 2nd-generation Niagara SPARC SoC has 4MB L2 cache with one times8 PCI-Express, two 10G Ethernet (XAUI), and 8 FBDIMM ports. The on-chip SerDes provide greater than 1Tb/s bandwidth. The 500M transistor chip with a die size of 342mm 2 is implemented in a 11M 65nm triple-V t CMOS process
Nawathe et al. (Thu,) studied this question.