Xeon E 2488 's Advantages
Released 12 years and 8 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2.2GHz)
Larger L3 cache size (24MB vs 3MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E3 1220L 's Advantages
Lower TDP (20W vs 95W)