Xeon L5639 's Advantages
Higher base frequency (2.133GHz vs 2GHz)
Larger L3 cache size (12MB vs 8MB)
Intel Xeon E3 1240L v3 's Advantages
Released 3 years and 3 months late
Higher specification of memory (1600 vs 1333)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (25W vs 60W)