Opteron 6180 SE 's Advantages
Larger L3 cache size (12MB vs 10MB)
Intel Xeon E5 1620 v2 's Advantages
Released 2 years and 7 months late
Higher specification of memory (DDR3-1866 vs DDR3-1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 2.5GHz)
Lower TDP (130W vs 140W)