Intel Xeon W 3335 's Advantages
Higher base frequency (3.4GHz vs 2GHz)
Intel Xeon Gold 5420 's Advantages
Released 1 years and 6 months late
Higher specification of memory (DDR5-4400 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (52.5MB vs 24MB)
Lower TDP (205W vs 250W)