Xeon E 2488 's Advantages
Released 2 years and 7 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.2GHz vs 2.8GHz)
Larger L3 cache size (24MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)
Xeon W 1390 's Advantages
Lower TDP (80W vs 95W)