Intel Xeon E5 2407 v2 's Advantages
Released 6 years and 10 months late
More modern manufacturing process (22nm vs 65nm)
Lower TDP (80W vs 120W)
Xeon X5355 's Advantages
Higher specification of memory (DDR3
Depends on motherboard vs DDR3)
Higher base frequency (2.667GHz vs 2.4GHz)