Intel Xeon W 11855M 's Advantages
Released 8 years and 6 months late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 2)
Larger L3 cache size (18MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (35W vs 115W)
Opteron 6308 's Advantages
Higher base frequency (3.5GHz vs 3.2GHz)