Ryzen 5 PRO 7645 's Advantages
Released 8 years and 9 months late
Higher specification of memory (DDR5-5200 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.8GHz vs 2GHz)
Lower TDP (65W vs 120W)
Intel Xeon E5 2686 v3 's Advantages
Larger L3 cache size (45MB vs 32MB)