Opteron 4334 's Advantages
Higher base frequency (3.1GHz vs 2GHz)
Larger L3 cache size (8MB vs 6MB)
Intel Xeon E3 1278L v4 's Advantages
Released 2 years and 6 months late
Higher specification of memory (1600 vs 3)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (47W vs 95W)