Intel Xeon E3 1585L v5 's Advantages
Released 6 years and 2 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 130W)
Intel Xeon W3680 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (3.333GHz vs 3GHz)
Larger L3 cache size (12MB vs 8MB)