Intel Xeon D 1541 's Advantages
Released 3 years and 8 months late
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 115W)
Intel Xeon E5 2689 's Advantages
Higher specification of memory (DDR3-1600 vs DDR3)
Higher base frequency (2.6GHz vs 2.1GHz)
Larger L3 cache size (20MB vs 1.5MB)