Intel Xeon D 1548 's Advantages
Released 4 years late
Newer PCIe version (3 vs 2)
Lower TDP (45W vs 115W)
Opteron 6274 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2.2GHz vs 2GHz)
Larger L3 cache size (16MB vs 1.5MB)