Intel Xeon D 1581 's Advantages
Released 4 years and 3 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (65W vs 140W)
Opteron 6282 SE 's Advantages
Higher base frequency (2.6GHz vs 1.8GHz)
Larger L3 cache size (8MB vs 1.5MB)