Opteron 6344 's Advantages
Higher base frequency (2.6GHz vs 2.3GHz)
Larger L3 cache size (8MB vs 6MB)
Intel Xeon E3 1265L 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 (35W vs 115W)