Intel Xeon E3 1515M v5 's Advantages
Released 3 years and 2 months late
Higher specification of memory (2133 vs 1866)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 115W)
Opteron 6308 's Advantages
Higher base frequency (3.5GHz vs 2.8GHz)