Xeon D 2899NT 's Advantages
Higher base frequency (2.2GHz vs 2.1GHz)
Lower TDP (135W vs 330W)
Intel Xeon Platinum 8558 's Advantages
Higher specification of memory (5200 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (260MB vs 30MB)
More modern manufacturing process (7nm vs 10nm)