Intel Xeon E5 2676 v3 's Advantages
Released 3 years and 3 months late
Larger L3 cache size (30MB vs 20MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (120W vs 130W)
Intel Xeon E5 2680 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2.7GHz vs 2.4GHz)