Intel Xeon L5638 's Advantages
Larger L3 cache size (12MB vs 6MB)
Lower TDP (60W vs 65W)
Intel Xeon E3 1285L v4 's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR3-1866 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)