Intel Xeon E3 1285 v4 's Advantages
Released 3 years and 1 months late
Higher specification of memory (DDR3-1866 vs DDR3)
Higher base frequency (3.5GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5 4640 's Advantages
Larger L3 cache size (20MB vs 6MB)