Intel Xeon D 1528 's Advantages
Released 5 years and 8 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 40W)
Intel Xeon L5630 's Advantages
Higher base frequency (2.133GHz vs 1.9GHz)
Larger L3 cache size (12MB vs 1.5MB)