Xeon w7 3555 's Advantages
Released 12 years and 5 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.7GHz vs 1.8GHz)
Larger L3 cache size (75MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5 2648L 's Advantages
Lower TDP (70W vs 325W)