Intel Xeon E 2124 's Advantages
Released 3 years and 8 months late
Higher base frequency (3.4GHz vs 1.9GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (72W vs 85W)
Intel Xeon E5 2609 v3 's Advantages
Higher specification of memory (DDR4-1600 vs DDR4)
Larger L3 cache size (15MB vs 8MB)