Intel Xeon E7 4820 v3 's Advantages
Released 1 years and 1 months late
Larger L3 cache size (25MB vs 8MB)
Intel Xeon E3 1226 v3 's Advantages
Higher specification of memory (DDR3-1600 vs DDR3)
Higher base frequency (3.3GHz vs 1.9GHz)
Lower TDP (84W vs 115W)