Xeon L7555 's Advantages
Lower TDP (95W vs 115W)
Intel Xeon E7 4820 v3 's Advantages
Released 5 years and 3 months late
Higher specification of memory (1866 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (1.9GHz vs 1.866GHz)
Larger L3 cache size (25MB vs 18MB)
More modern manufacturing process (22nm vs 45nm)