Xeon W 1390P 's Advantages
Higher specification of memory (DDR4-3200 vs DDR4-2667)
Higher base frequency (3.5GHz vs 2.2GHz)
Lower TDP (125W vs 185W)
Intel Xeon Gold 6338N 's Advantages
Larger L3 cache size (48MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)