Intel Xeon D 1581 's Advantages
Released 5 years late
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (65W vs 140W)
Opteron 6180 SE 's Advantages
Higher specification of memory (1333 vs 4)
Higher base frequency (2.5GHz vs 1.8GHz)
Larger L3 cache size (12MB vs 1.5MB)