Intel Xeon E3 1285L v4 's Advantages
Released 2 years and 7 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (65W vs 115W)
Opteron 6308 's Advantages
Higher base frequency (3.5GHz vs 3.4GHz)
Larger L3 cache size (8MB vs 6MB)