Opteron 4310 EE 's Advantages
Higher specification of memory (1600 vs 4)
Higher base frequency (2.2GHz vs 1.3GHz)
Larger L3 cache size (8MB vs 1.5MB)
Lower TDP (35W vs 45W)
Intel Xeon D 1577 's Advantages
Released 3 years and 2 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)