$100 CPU Shootout: Comparing the Ryzen 5 5500, Core i3-14100F, & Core i3-12100F
tomshardware.comWhy would you run a benchmark with a for a 100$ cpu with a 5090 GPU!?!
So that it's as CPU-bottlenecked as possible, thus measuring CPU performance the most. They also noted they ran the test with a 4060 as more representative.
Open the article and ctrl-f for "5090". The first mention explains why.