Given the performance difference, I’m actually really impressed how well the 8GB one kept up. Sure, it was slower because it has to spend time compressing & decompressing ram, but it was surprising to see how little overhead that actually cost.
That’s to say nothing of how much Apple charges for more ram, because that’s just egregious.
Having this issue too
Edit: saying the app’s name before the search term seems to work. Ex. Open YouTube to the search page and say “search YouTube for ”