Intel Xeon E5 4667 v3 's Advantages
Released 2 years and 7 months late
Higher specification of memory (2133 vs 1866)
Newer PCIe version (3 vs 2)
Larger L3 cache size (40MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6378 's Advantages
Higher base frequency (2.4GHz vs 2GHz)
Lower TDP (115W vs 135W)