Xeon E7520 's Advantages
Lower TDP (95W vs 225W)
Intel Xeon Gold 6448Y 's Advantages
Released 12 years and 10 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (2.1GHz vs 1.866GHz)
Larger L3 cache size (60MB vs 18MB)
More modern manufacturing process (10nm vs 45nm)