The iPhone 13 mini is equipped with the A15 Bionic chip, which is one of Apple's latest mobile processors at present, using a 5-nanometer process process, with six CPU cores and four GPU cores, and the performance is very strong.
Compared to the previous generation iPhone 12, the A15 Bionic chip in the iPhone 13 mini has improved both single-core and multi-core performance, while also being more power efficient. This means that the iPhone 13 mini can provide a smoother experience in everyday use, such as opening apps, browsing the web, taking photos and so on.
It's important to note that while the iPhone 13 mini has a very powerful processor, it's not one of the most powerful. If you need a higher-end processor for intensive computing, you may want to consider buying a higher-end iPhone model.