Intel Xeon E5 1620 v2 's Advantages
Higher base frequency (3.7GHz vs 2.8GHz)
Xeon E 2276M 's Advantages
Released 5 years and 8 months late
Higher specification of memory (DDR4-2666 vs DDR3-1866)
Larger L3 cache size (12MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 130W)