Intel Xeon E5 2618L v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (20MB vs 15MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (75W vs 95W)
Intel Xeon E5 2640 's Advantages
Higher base frequency (2.5GHz vs 2.3GHz)