AMD EPYC 7543P 's Advantages
Larger L3 cache size (256MB vs 16MB)
AMD Ryzen Embedded 8640U 's Advantages
Released 3 years and 1 months late
Higher specification of memory (DDR5-5600 vs DDR4-3200)
Higher base frequency (3.5GHz vs 2.8GHz)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (28W vs 225W)