Intel Xeon E3 1258L v4 's Advantages
Released 3 years and 7 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (47W vs 115W)
Opteron 6274 's Advantages
Higher base frequency (2.2GHz vs 1.8GHz)
Larger L3 cache size (16MB vs 6MB)