Xeon E7 4830 's Advantages
Higher base frequency (2.133GHz vs 2GHz)
Larger L3 cache size (24MB vs 16MB)
Xeon E 2278GEL 's Advantages
Released 8 years and 2 months late
Higher specification of memory (2666 vs 1333)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 105W)