Intel Xeon E5 2663 v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (DDR4-2133 vs DDR3)
Higher base frequency (2.8GHz vs 2.6GHz)
Larger L3 cache size (25MB vs 20MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (105W vs 115W)