Xeon w7 3545 's Advantages
Released 8 years and 11 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (2.7GHz vs 2.3GHz)
Larger L3 cache size (67.5MB vs 25MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 2649 v3 's Advantages
Lower TDP (105W vs 310W)