Xeon w7 3555 's Advantages
Released 12 years and 3 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.7GHz vs 2.3GHz)
Larger L3 cache size (75MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E3 1220L v2 's Advantages
Lower TDP (17W vs 325W)