In terms of a desktop computer, the 9th gen is pretty robust. The 9th and 10th generations would be faster, but keep in mind that a Core i5 8th gen chip could still beat the 10th gen Core i3 chip. We will give you general knowledge about these CPUs, the oldest is the 8th generation and could have the worst performance and efficiency compared to other generations.
Each generation has unique aspects of differences that cause more confusion to its users. There are different generations of Intel CPU, two 10th generations, a 9th generation, and the 8th generation.