Intel Xeon E5 2630 's Advantages
Lower TDP (95W vs 130W)
Intel Xeon E5 1680 v2 's Advantages
Released 1 years and 6 months late
Higher specification of memory (DDR3-1866 vs DDR3)
Higher base frequency (3GHz vs 2.3GHz)
Larger L3 cache size (25MB vs 15MB)
More modern manufacturing process (22nm vs 32nm)