For most people (for the time being), the most important benchmark will be how the emulator/translation layer performs for their most common programs.
Chrome, Firefox, and more obviously already have ARM builds, but most programs do not, not to mention device drivers that will need to be recompiled for ARM.
There’s an Arstechnica article that goes into it, hopefully it works well and both MacOS, Windows, and Linux users will be able to reap the resulting benefits