Opteron 6308 's Advantages
Higher base frequency (3.5GHz vs 2.8GHz)
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)