Intel Xeon L5640 's Advantages
Lower TDP (60W vs 80W)
Intel Xeon W 1290 's Advantages
Released 10 years and 2 months late
Higher specification of memory (DDR4-2933 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.2GHz vs 2.266GHz)
Larger L3 cache size (20MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)