Xeon Platinum 8268 's Advantages
Released 7 years and 10 months late
Higher specification of memory (4 vs 3)
Higher base frequency (2.9GHz vs 1.6GHz)
Larger L3 cache size (35.75MB vs 4MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5603 's Advantages
Lower TDP (80W vs 205W)