^^Has to be your eastern philosophy bias.
Mechanical tension is the same so you'd have to get near the exact same hypertrophy results. Neurologically, the effects would not be the same. The @10 reps would produce potentially substantially different training effects.
3x5@85% is pretty damned close to repeating a 5RM three times. I don't think I could even do that.
It must be hard mentally to come down from long rest periods to shorter ones...it's one of the aspects of SS set up that troubles me the most.
So Hanley, in a density protocol, I'd reckon the 2 numbers that define it completely would be the time interval and the number of reps. So which do you use? Something like 25 reps in 15 minutes?