Opteron 1381 's Advantages
Higher base frequency (2.5GHz vs 2GHz)
Xeon D 1746TER 's Advantages
Released 12 years and 8 months late
Higher specification of memory (2667 vs 1333)
Newer PCIe version (4 vs 2)
Larger L3 cache size (15MB vs 6MB)
More modern manufacturing process (10nm vs 45nm)
Lower TDP (67W vs 115W)