AMD EPYC 7351 's Advantages
Larger L3 cache size (64MB vs 16MB)
AMD Ryzen Embedded 8840U 's Advantages
Released 6 years and 10 months late
Higher specification of memory (DDR5-5600 vs DDR4-2666)
Newer PCIe version (4 vs 3)
Higher base frequency (3.3GHz vs 2.4GHz)
More modern manufacturing process (4nm vs 14nm)
Lower TDP (28W vs 170W)