Intel Xeon Platinum 8276 's Advantages
Released 6 years and 9 months late
Higher specification of memory (DDR4 vs DDR3-1600)
Larger L3 cache size (38.5MB vs 20MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5 2689 's Advantages
Higher base frequency (2.6GHz vs 2.2GHz)
Lower TDP (115W vs 165W)