Intel Xeon E3 1240 's Advantages
Higher base frequency (3.3GHz vs 1.1GHz)
Larger L3 cache size (8MB vs 4MB)
Intel Xeon E3 1220L v3 's Advantages
Released 2 years and 5 months late
Higher specification of memory (DDR3-1600 vs DDR3)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (13W vs 80W)