Intel Core i3 9100T 's Advantages
Higher base frequency (3.1GHz vs 2.5GHz)
Lower TDP (35W vs 125W)
Intel Core Ultra 9 285 's Advantages
Released 5 years and 6 months late
Better graphics card performance
Higher specification of memory (5600 vs 2400)
Larger memory bandwidth (102.4GB/s vs 37.5GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (36MB vs 6MB)
More modern manufacturing process (7nm vs 14nm)