Intel Xeon E5 2620 's Advantages
Larger L3 cache size (15MB vs 8MB)
Intel Xeon E 2124 's Advantages
Released 6 years and 2 months late
Higher specification of memory (4 vs 3)
Higher base frequency (3.4GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (72W vs 95W)