Intel Xeon E3 1284L v4 's Advantages
Released 4 years and 4 months late
Higher specification of memory (DDR3-1866 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.9GHz vs 2.133GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (47W vs 80W)
Intel Xeon E5606 's Advantages
Larger L3 cache size (8MB vs 6MB)