Ryzen 5 PRO 7645 's Advantages
Released 8 years late
Higher specification of memory (DDR5-5200 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.8GHz vs 2.1GHz)
Lower TDP (65W vs 140W)
Intel Xeon E7 8870 v3 's Advantages
Larger L3 cache size (45MB vs 32MB)