RD-M7000-GS and RD-M5120-SGS are almost identical except the RD-M5120-SGS is maybe 1-2mm shorter between the pivot and the hanger mount.

I visually estimated the pull distance, and both the RD-M7000-GS and RD-M5120-SGS are almost the same.
RD-M5120-SGS may be 0.2-0.3mm wider overall. It could also be from tolerances.

Both of them overshift 0.5mm for me, so Either the smallest 3 or largest 3 sprockets are noisy and there's only 1/4 turn of the barrel adjuster in either direction before the next sprockets on either end starts colliding with the chain.

Are mountain 11 cassettes wider than road 11 cassettes?
The exploded diagram for mountain and road both show 2.18mm spacers so I'm guessing they're the same?
Miche cassettes are 0.4mm wider overall than Shimano road cassettes, but the teeth on the Miche cassettes have very minimal chamfering that causes unavoidable chain collision with the next sprocket teeth.

RD-M7000-GS cage pivot isn't exactly parallel with the hanger mount. It's slightly angled with the front inward. So when swinging the cage forward, the pulley moves 0.2-0.3mm inward. This was ok because the big chainring uses the entire cassette while the small chainring only uses the last 8 cogs. I could also insert a 2.35mm 10 speed spacer instead of a 2.18mm 11 speed spacer near the middle of the cassette.

RD-M5120-SGS was the opposite, when the cage swings forward, the pulley moves 0.2-0.3mm outward, and chain collisions with next sprocket teeth when switching between chainrings could not be solved. It's only a problem for double chainrings. 1x is ok.

With the B-screw out, both derailleurs could probably work with 28T max cog.
This photo is 34T last position and 28T second to last position.





With double 44/24 and a 34T max cog, the derailleur cage just barely clears the 406-47 tires. I have a 25c rim which makes the inflated tires wider.

When shifting between the large and small chainrings, the trailing tip of the cage brushes against the tire.

Video
https://imgur.com/a/YfhBqJW

If I set the high limit screw so that the guide pulley is 0.4mm offset outward from the center of the 34T cog, there's a 0.2mm gap to the tire.
1.6 tires or a 19c rim would probably not have this problem.
1x should be able to go up to 42 or 46T as you have shown, with narrower rims or tires, because the B-screw would move the cage pivot behind the axle.










When I had 10 speed, the chain cleared the mudguard by 0.5mm when on the small chainring and big cog. But on 11 speed, the big cog is around 2mm closer inward, and so I had to cut a notch in my mudguard for the chain.




It was a pain initially to setup 10 speed with 2x on a folding bike because of the thick seat tube blocking the front derailleur from swinging completely inward.

It was double the pain to switch to 11 speed with 2x. Plus the even smaller tolerances in the cassette was such a headache.

44/24 double
I had 10 speed 12, 13, 14, 15, 17, 19, 21, 24, 28, 34
Now 11 speed, 12, 13, 14, 15, 16, 17, 19, 21, 24, 28, 34
519%

I can only shift from the small to big chainring while on gear 1, 2, 3, 4 because of the front derailleur angle, with specific trimming.
Gear 8 is the maximum cog while on the small chainring, and I shift 5 gears when switching chainrings, between gear 3 and 8 (24F-15R to 44F-24R).
Rapid fire only shifts up to 4 at a time though, which was ok with the 10 speed. Now I'll have an extra trigger to make!

Next time, for ease of building a custom cassette, the 27-30-34 spider would be much easier to source than the 34T that I took from a 10 speed cassette.