Xeon E 2278GEL 's Advantages
Lower TDP (35W vs 330W)
Xeon 6780E 's Advantages
Released 5 years late
Higher specification of memory (DDR5-6400 vs DDR4-2666)
Newer PCIe version (5 vs 3)
Higher base frequency (2.2GHz vs 2GHz)
Larger L3 cache size (108MB vs 16MB)
More modern manufacturing process (7nm vs 14nm)