Intel Xeon E3 1220 's Advantages
Higher base frequency (3.1GHz vs 2.1GHz)
Lower TDP (80W vs 125W)
Xeon D 2798NT 's Advantages
Released 10 years and 10 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)