Intel Xeon E 2124 's Advantages
Released 3 years and 8 months late
Higher base frequency (3.4GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (72W vs 120W)
Intel Xeon E5 2683 v3 's Advantages
Higher specification of memory (2133 vs 4)
Larger L3 cache size (35MB vs 8MB)