Intel Xeon Phi 7210 's Advantages
Lower TDP (215W vs 300W)
Intel Xeon Platinum 8558U 's Advantages
Released 7 years and 6 months late
Higher specification of memory (DDR5-4800 vs DDR4)
Higher base frequency (2.0GHz vs 1.3GHz)
More modern manufacturing process (7nm vs 14nm)