Intel Xeon D 1528 's Advantages
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 105W)
Intel Xeon E5 4620 v3 's Advantages
Higher specification of memory (DDR4-1866 vs DDR3)
Higher base frequency (2GHz vs 1.9GHz)
Larger L3 cache size (25MB vs 1.5MB)