Opteron 4376 HE 's Advantages
Higher base frequency (2.6GHz vs 2.1GHz)
Lower TDP (65W vs 500W)
Xeon 6979P 's Advantages
Released 11 years and 9 months late
Higher specification of memory (8800 vs 3)
Larger L3 cache size (504MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)