Xeon E 2488 's Advantages
Released 10 years and 3 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 3)
Larger L3 cache size (24MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (95W vs 130W)
Intel Xeon E5 1620 v2 's Advantages
Higher base frequency (3.7GHz vs 3.2GHz)