Intel Xeon Bronze 3408U 's Advantages
Lower TDP (125W vs 330W)
Intel Xeon Platinum 8558 's Advantages
Released 11 months late
Higher specification of memory (DDR5-5200 vs DDR5-4000)
Higher base frequency (2.1GHz vs 1.8GHz)
Larger L3 cache size (260MB vs 22.5MB)
More modern manufacturing process (7nm vs 10nm)