Intel Xeon E3 1220 v2 's Advantages
Higher base frequency (3.1GHz vs 2.4GHz)
Xeon D 1715TER 's Advantages
Released 9 years and 9 months late
Higher specification of memory (2667 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (10MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (50W vs 69W)