Intel Xeon E3 1285 v3 's Advantages
Higher base frequency (3.6GHz vs 2.1GHz)
Larger L3 cache size (8MB vs 1.5MB)
Intel Xeon D 1541 's Advantages
Released 2 years and 5 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 84W)