Intel Xeon E3 1225 v5 's Advantages
Released 4 years and 8 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.3GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Xeon L5645 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (60W vs 80W)