Intel Xeon E3 1220 v3 's Advantages
Higher base frequency (3.1GHz vs 2.2GHz)
Lower TDP (80W vs 165W)
Intel Xeon Platinum 8276 's Advantages
Released 5 years and 6 months late
Higher specification of memory (DDR4 vs DDR3-1600)
Larger L3 cache size (38.5MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)