Intel Xeon E5 2680 's Advantages
Larger L3 cache size (20MB vs 10MB)
Intel Xeon E5 2623 v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (DDR4-1866 vs DDR3)
Higher base frequency (3GHz vs 2.7GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (105W vs 130W)