Xeon w7 2555X 's Advantages
Released 9 years and 2 months late
Higher specification of memory (4800 vs 1600)
Newer PCIe version (5 vs 3)
Higher base frequency (3.3GHz vs 2GHz)
Larger L3 cache size (33.75MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon E3 1278L v4 's Advantages
Lower TDP (47W vs 210W)