Intel Xeon X5677 's Advantages
Higher base frequency (3.466GHz vs 2.4GHz)
Larger L3 cache size (12MB vs 10MB)
Xeon D 1715TER 's Advantages
Released 11 years and 11 months late
Higher specification of memory (2667 vs 3)
Newer PCIe version (4 vs 2)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (50W vs 130W)