Xeon W 1390 's Advantages
Higher base frequency (2.8GHz vs 2GHz)
Lower TDP (80W vs 250W)
Intel Xeon Platinum 8450H 's Advantages
Released 1 years and 8 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (75MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)