The short answer to this question is "Yes". A new router is a better router. It uses newer technology hardware. Its firmware is also equipped to use the latest technologies. A better router doesn't need to be expensive equipment. Even the simplest new router is much better than the best router from a few years ago. There are many articles about the importance of your router for your internet speed. Here is a well-rounded one: https://www.highspeedinternet.com/resources/how-important-is-my-wireless-router-to-my-internet-speed