Intel Xeon E3 1220 's Advantages
Higher base frequency (3.1GHz vs 2.4GHz)
Lower TDP (80W vs 165W)
Xeon Platinum 8260M 's Advantages
Released 7 years and 8 months late
Higher specification of memory (4 vs 3)
Larger L3 cache size (35.75MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)