Intel Xeon W3680 's Advantages
Higher base frequency (3.333GHz vs 2GHz)
Larger L3 cache size (12MB vs 8MB)
Intel Xeon E3 1235L v5 's Advantages
Released 5 years and 7 months late
Higher specification of memory (DDR3 vs DDR3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (25W vs 130W)