Intel Xeon E3 1245 v2 's Advantages
Higher base frequency (3.4GHz vs 2GHz)
Lower TDP (77W vs 115W)
Intel Xeon E7 8880L v3 's Advantages
Released 3 years and 1 months late
Higher specification of memory (DDR3 vs DDR3)
Larger L3 cache size (45MB vs 8MB)