Intel Xeon E5 2680 v2 's Advantages
Larger L3 cache size (25MB vs 8MB)
Intel Xeon E3 1220 v5 's Advantages
Released 2 years and 1 months late
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (3GHz vs 2.8GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 115W)