Not only faster, but we aren't beholden to the APIs offered by Google and others. Manifest v3 threatened the existence of popular content-blockers like uBlock Origin. Since we are the browser, we aren't so limited. A recent example of how we are able to do more was with the introduction of CNAME blocking, which allowed us to identify when a third-party tracker had managed to be requested from a first-party URL: https://brave.com/privacy-updates-6/.

uBlock Origin is using Web Assembly now for certain critical code. Anyway performance differences between the two have always been negligible and often fluctuating.