Myrgjorf

I rarely (= almost never) used the top screen on my 1DX mk ii and I (almost) never seen use it on my R5. And I never miss it on my R6 (currently secondary camera).

The R5 will give you the same "reach" as your 7D mk ii. The R6 will not. No reason to consider the 1DX mk ii (unless you want to buy mine which I don't use anymore). The R5 is more flexible for ...