Opteron 6344 's Advantages
Higher specification of memory (1866 vs 4)
Higher base frequency (2.6GHz vs 2.2GHz)
Lower TDP (115W vs 125W)
Xeon Platinum 8253 's Advantages
Released 6 years and 1 months late
Larger L3 cache size (22MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)