Intel Xeon E3 1505L v5 's Advantages
Higher specification of memory (2133 vs 1866)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (25W vs 150W)
Intel Xeon E7 8880 v3 's Advantages
Higher base frequency (2.3GHz vs 2GHz)
Larger L3 cache size (45MB vs 8MB)