Intel Xeon D 1541 's Advantages
Higher base frequency (2.1GHz vs 1.9GHz)
Lower TDP (45W vs 250W)
Xeon 6766E 's Advantages
Released 8 years and 7 months late
Higher specification of memory (DDR5-6400 vs DDR3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (108MB vs 1.5MB)
More modern manufacturing process (7nm vs 14nm)