Xeon E 2488 's Advantages
Released 8 years and 9 months late
Higher specification of memory (4800 vs 4)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2GHz)
Larger L3 cache size (24MB vs 1.5MB)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon D 1540 's Advantages
Lower TDP (45W vs 95W)