Intel Xeon X5660 's Advantages
Higher base frequency (2.8GHz vs 2GHz)
Xeon E 2278GEL 's Advantages
Released 9 years and 3 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (16MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 95W)