Intel Xeon E 2124 's Advantages
Released 2 years and 11 months late
Higher base frequency (3.4GHz vs 2.3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (72W vs 150W)
Intel Xeon E7 8880 v3 's Advantages
Higher specification of memory (1866 vs 4)
Larger L3 cache size (45MB vs 8MB)