Quad core processor series amd opteron package boxed socket socket am3 number of processing cores 4 number of threads 4 clock frequency 28 ghz turbo core max turbo frequency 38 ghz processor code name delhi tdp 45 watt stepping revision or c0 l2 cache 2 x 2 048 kb l2 cache 4 096 kb l3 cache 8 kb manufacturing process 32 nm suitable for amd system features mmx sse2 sse sse3 sse4 sse4a advanced bit manipulation advanced vector extensio