Intel Xeon D 1557 's Advantages
Lower TDP (45W vs 250W)
Xeon 6746E 's Advantages
Released 8 years and 4 months late
Higher specification of memory (DDR5-5600 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (2GHz vs 1.5GHz)
Larger L3 cache size (96MB vs 1.5MB)
More modern manufacturing process (7nm vs 14nm)