Opteron 3320 EE 's Advantages
Lower TDP (25W vs 330W)
Xeon 6780E 's Advantages
Released 11 years and 6 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.2GHz vs 1.9GHz)
Larger L3 cache size (108MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)