Xeon D 1712TR 's Advantages
Released 11 years and 11 months late
Higher specification of memory (2400 vs 3)
Newer PCIe version (4 vs 2)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (40W vs 80W)
Intel Xeon E5640 's Advantages
Higher base frequency (2.666GHz vs 2GHz)
Larger L3 cache size (12MB vs 10MB)