AMD EPYC 7261 's Advantages
Released 8 years and 3 months late
Higher specification of memory (2666 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (2.5GHz vs 1.866GHz)
Larger L3 cache size (32MB vs 18MB)
More modern manufacturing process (14nm vs 45nm)
Xeon L7555 's Advantages
Lower TDP (95W vs 170W)