Intel Xeon E3 1220 v5 's Advantages
Released 3 years and 5 months late
Higher base frequency (3GHz vs 2.2GHz)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5 2407 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Larger L3 cache size (10MB vs 8MB)