While your gut may be telling you that, no actual data bears that out as a reality. Exhibit A: a set of benchmarks with actual rationale and cited sources: https://www.diva-portal.org/smash/get/diva2:1578257/FULLTEXT...

From an objective standpoint it's not a valid comparison. Blazor still has a number of fundamental deficiencies in regards to how it interfaces with the DOM event model via its messaging abstraction. You can't create a symmetrical set of tests without dropping concerns Blazor can't accomplish without custom JS, or limiting the scope of comparisons to what Blazor can do.