Xeon W 1390 's Advantages
Lower TDP (80W vs 195W)
Intel Xeon Gold 6526Y 's Advantages
Released 2 years and 7 months late
Higher specification of memory (DDR5-5200 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (37.5MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)