Real world benchmarks show they are neck and neck leap frogging each other all the time, so both of you are wrong; they're generally so close a human can't tell the difference, it's all biases these days unless someone shows you the numbers. Lots of people don't realize the extensions they add can also severely upset performance, but that's on the user. My 4 year old computer works just fine with both of them and 4 or 5 extensions.