Xeon E 2488 's Advantages
Higher base frequency (3.2GHz vs 2.4GHz)
Lower TDP (95W vs 500W)
Xeon 6972P 's Advantages
Released 9 months late
Higher specification of memory (8800 vs 4800)
Larger L3 cache size (480MB vs 24MB)
More modern manufacturing process (5nm vs 10nm)