Intel Xeon E7 4820 v3 's Advantages
Released 3 years and 1 months late
Higher base frequency (1.9GHz vs 1GHz)
Larger L3 cache size (25MB vs 6MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E3 1105C 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Lower TDP (25W vs 115W)