Intel Xeon E7 4830 v3 's Advantages
Released 5 years and 3 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (30MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (115W vs 130W)
Intel Xeon W3680 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (3.333GHz vs 2.1GHz)