Intel Xeon E7 4820 v3 's Advantages
Larger L3 cache size (25MB vs 6MB)
Intel Xeon E3 1285L v4 's Advantages
Higher specification of memory (1866 vs 1866)
Higher base frequency (3.4GHz vs 1.9GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 115W)