Intel Xeon E3 1240 's Advantages
Higher base frequency (3.3GHz vs 2GHz)
Intel Xeon E5 2608L v3 's Advantages
Released 3 years and 5 months late
Higher specification of memory (DDR4-1866 vs DDR3)
Larger L3 cache size (15MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (52W vs 80W)