Just got through a chunk of 96 items in 15-16 minutes with 85% accuracy, but there were some radicals I burned in there so it probably would’ve taken a little more time if the radicals were kanji or vocab instead.
There’s actually this script that times how long your review session took if you’re interested in looking at how fast you do your reviews
It puts a small timer in the upper left corner of the screen when you’re doing your reviews (sometimes, I look at it to see how long I’ve been procrastinating like when I realize I went from 15 mins to 45 minutes when I thought "eh I’ll just quickly check my phone) and it tells you at the end of the review session how long it took :3