Intel Xeon E3 1225 v5 's Advantages
Released 2 years and 1 months late
Higher base frequency (3.3GHz vs 2.2GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 95W)
Intel Xeon E5 2660 v2 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Larger L3 cache size (25MB vs 8MB)