Intel Xeon E3 1225 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (1600 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.2GHz vs 2.133GHz)
More modern manufacturing process (22nm vs 32nm)
Xeon L5639 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (60W vs 84W)