AMD EPYC 9684X 's Advantages
Released 14 years and 9 months late
Higher specification of memory (4800 vs 667)
Higher base frequency (2.55GHz vs 2.4GHz)
Larger L3 cache size (1152MB vs 16MB)
More modern manufacturing process (5nm vs 45nm)
Xeon E7440 's Advantages
Lower TDP (90W vs 400W)