AMD EPYC 7643P 's Advantages
Larger L3 cache size (256MB vs 16MB)
AMD Ryzen Embedded 8840U 's Advantages
Released 7 months late
Higher specification of memory (5600 vs 3200)
Higher base frequency (3.3GHz vs 2.3GHz)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (28W vs 225W)