Intel Xeon E5 2403 's Advantages
Lower TDP (80W vs 250W)
Intel Xeon Platinum 8358 's Advantages
Released 8 years and 11 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Higher base frequency (2.6GHz vs 1.8GHz)
Larger L3 cache size (48MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)