Intel Xeon E5 2687W v3 's Advantages
Released 2 years and 10 months late
Higher specification of memory (DDR4-2133 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.1GHz vs 2.3GHz)
Larger L3 cache size (25MB vs 8MB)
Opteron 6276 's Advantages
Lower TDP (115W vs 160W)