Intel Core i3 12300 's Advantages
Released 3 years and 3 months late
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Newer PCIe version (5 vs 3.0)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (60W vs 95W)
Intel Core i9 9900K 's Advantages
Higher base frequency (3.6GHz vs 3.5GHz)
Larger L3 cache size (16MB vs 12MB)