Opteron 6348 's Advantages
Higher base frequency (2.8GHz vs 2.6GHz)
Lower TDP (115W vs 135W)
Intel Xeon E5 4627 v3 's Advantages
Released 2 years and 7 months late
Higher specification of memory (DDR4-2133 vs DDR3-1866)
Newer PCIe version (3 vs 2)
Larger L3 cache size (25MB vs 8MB)