Intel Xeon E 2124G 's Advantages
Released 6 years late
Higher specification of memory (4 vs 3)
Higher base frequency (3.4GHz vs 1.9GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (72W vs 95W)
Intel Xeon E5 2420 's Advantages
Larger L3 cache size (15MB vs 8MB)