Opteron 6262 HE 's Advantages
Lower TDP (85W vs 250W)
Xeon 6766E 's Advantages
Released 12 years and 7 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (1.9GHz vs 1.6GHz)
Larger L3 cache size (108MB vs 16MB)
More modern manufacturing process (5nm vs 32nm)