Ryzen 5 PRO 7645 's Advantages
Released 10 years and 6 months late
Higher specification of memory (DDR5-5200 vs DDR3)
Higher base frequency (3.8GHz vs 2.2GHz)
Larger L3 cache size (32MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)
Opteron 43CX EE 's Advantages
Lower TDP (35W vs 65W)