Isn't C++ just capable of being a lot lower level and faster because of it? Aren't all (or almost all) AAA games written using C++? I don't think C# can match C

Isn't C++ just capable of being a lot lower level and faster because of it? Aren't all (or almost all) AAA games written using C++? I don't think C# can match C++ performance, even if it is closer than Java.