When running on a Win10 machine I do get about 100Gh higher but the second I use the machine for anything else it drops back by quite a bit.  I like running them off the Raspberry even if it is a little slower.  The Pi's work well and use less power.  With the great GS hub it makes everything very streamlined.  I did just pickup a Pi "HAT" that has a hardwired network connection that may help (though I think it is still on the USB bus so it may not make any difference).  Here is the HAT that first the Pi nicely: https://www.amazon.com/gp/product/B07CQ11TCJ
Of course the Pi Zero's are so cheap it was worth the experiment ($5 if you happen to be near a Micro Center in the US).

Anyway, a few hundred Gh for such a lower amount of power seems worth it to me.  With that said I do get the desire to squeeze as many hash as possible out of these little boxes!