Opteron 13KS EE 's Advantages
Higher specification of memory (1333 vs 4)
Lower TDP (50W vs 79W)
Intel Xeon E3 1285 v6 's Advantages
Released 8 years and 4 months late
Newer PCIe version (3 vs 2)
Higher base frequency (4.1GHz vs 2GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (14nm vs 45nm)