Xeon E 2278GEL 's Advantages
Released 10 years and 3 months late
Higher specification of memory (2666 vs 1066)
Newer PCIe version (3 vs 2)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (35W vs 80W)
Xeon E5530 's Advantages
Higher base frequency (2.4GHz vs 2GHz)