Opteron 6278 's Advantages
Higher base frequency (2.4GHz vs 2GHz)
Xeon D 2775TE 's Advantages
Released 9 years and 9 months late
Higher specification of memory (2933 vs 3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (100W vs 115W)