Got info on the first couple segments of speeds with H90…
103s (107 equivalent)- Best: 2:47, Worst: 3:40, Average 3:10 (36% more time vs ZR)
106s (110 equivalent)- Best: 2:33, Worst: 4:00, Average 3:29 (16% more time vs ZR)
Next up, 111s (115 eq).
Edit:
111s (115 equivalent)- Best: 3:35, Worst: 5:05, Average 4:29 (equal time vs ZR)
Rough estimate on 115s: about 6:15? (Haven’t recorded these, but have been running them periodically and know they pretty much all fall between 5:30 and 7:00. )
My guess is that the 2 builds will somewhat even out from this point up to the ceiling of what you’d consider “speeds”. ZR is, of course, much better at pushing, since it can leverage so many RnG factors in a good rift.
For anybody interested, there’s video of my last 3 111s here.