Ryzen 5 PRO 7645 's Advantages
Released 8 years and 9 months late
Higher specification of memory (5200 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3.8GHz vs 2.5GHz)
More modern manufacturing process (5nm vs 22nm)
Lower TDP (65W vs 135W)
Intel Xeon E5 1691 v3 's Advantages
Larger L3 cache size (35MB vs 32MB)