Intel Xeon Platinum 8268 's Advantages
Released 7 years and 8 months late
Higher specification of memory (DDR4 vs DDR3)
Larger L3 cache size (35.75MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E3 1275 's Advantages
Higher base frequency (3.4GHz vs 2.9GHz)
Lower TDP (95W vs 205W)