Ryzen 5 PRO 7645 's Advantages
Released 6 years and 9 months late
Higher specification of memory (DDR5-5200 vs DDR3)
Higher base frequency (3.8GHz vs 2.4GHz)
More modern manufacturing process (5nm vs 28nm)
Opteron X2170 's Advantages
Lower TDP (25W vs 65W)