Intel Xeon E5 2678 v3 's Advantages
Released 2 years and 10 months late
Higher base frequency (2.5GHz vs 2.3GHz)
Larger L3 cache size (30MB vs 15MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 2630 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Lower TDP (95W vs 120W)