Intel Xeon D 1521 's Advantages
Released 1 years and 10 months late
Newer PCIe version (3 vs 2)
Higher base frequency (2.4GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 99W)
Opteron 6370P 's Advantages
Higher specification of memory (1600 vs 4)
Larger L3 cache size (8MB vs 1.5MB)