You misunderstand; these devices are willy substitutes* so separate measurements are not necessary.
*At least from the amount that people play with them I assume that they are.
I don't find one much different from the other; they've been borrowing each other's good ideas for the past few years and I think it comes down more to personal preference. It's not like the bad old days where one OS could do something significant that the other couldn't.
Have to agree with the 'meh' comment. Apple fell off the pace in smartphone leadership a couple of years ago in terms of hardware, and I haven't seen anything about this 'phone that suggests it's anything than a catch-up.