Opteron 13KS EE 's Advantages
Lower TDP (50W vs 500W)
Xeon 6979P 's Advantages
Released 15 years and 5 months late
Higher specification of memory (8800 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (2.1GHz vs 2GHz)
Larger L3 cache size (504MB vs 6MB)
More modern manufacturing process (5nm vs 45nm)