Intel Xeon E5507 's Advantages
Higher base frequency (2.266GHz vs 2GHz)
Lower TDP (80W vs 240W)
AMD EPYC 7663P 's Advantages
Released 13 years and 6 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (256MB vs 4MB)
More modern manufacturing process (7nm vs 45nm)