AMD EPYC 9135 's Advantages
Released 6 months late
Higher specification of memory (6000 vs 5600)
Newer PCIe version (5 vs 4)
Higher base frequency (3.65GHz vs 3.5GHz)
Larger L3 cache size (64MB vs 16MB)
AMD Ryzen Embedded 8640U 's Advantages
Lower TDP (28W vs 200W)