Intel Xeon w7 3455 's Advantages
Released 12 years late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (67.5MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon X5687 's Advantages
Higher base frequency (3.6GHz vs 2.5GHz)
Lower TDP (130W vs 270W)