AMD EPYC 7663 's Advantages
Larger L3 cache size (256MB vs 16MB)
AMD Ryzen Embedded 8645HS 's Advantages
Released 3 years and 1 months late
Higher specification of memory (5600 vs 3200)
Higher base frequency (4.3GHz vs 2GHz)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (45W vs 240W)