Intel Xeon E5 2640 v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (DDR4-1866 vs DDR3)
Higher base frequency (2.6GHz vs 2GHz)
Larger L3 cache size (20MB vs 15MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 2630L 's Advantages
Lower TDP (60W vs 90W)