EPYC 7552 's Advantages
Larger L3 cache size (192MB vs 64MB)
AMD EPYC 9135 's Advantages
Released 5 years and 2 months late
Higher specification of memory (6000 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.65GHz vs 2.2GHz)
More modern manufacturing process (4nm vs 7nm)