Intel Xeon E5 4648 v3 's Advantages
Released 4 years and 4 months late
Higher specification of memory (DDR4-1866 vs DDR3-1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (30MB vs 12MB)
Lower TDP (105W vs 140W)
Opteron 6180 SE 's Advantages
Higher base frequency (2.5GHz vs 1.7GHz)