Intel Core i3 8100T 's Advantages
Lower TDP (35W vs 60W)
Intel Core i3 12300 's Advantages
Released 3 years and 9 months late
Higher specification of memory (4800 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (5 vs 3.0)
Higher base frequency (3.5GHz vs 3.1GHz)
Larger L3 cache size (12MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)