38mm compared to 45mm pole

Is 38mm alot different to 45mm? I am looking to get a proper brass pole after finding out my xpole brass is a "finish" not true brass (no wonder its slippery!) and I found a place that sells 38mm brass.  It sounds tempting, I would imagine my handsprings and strength moves would feel better on it, but are leg holds a lot harder on 38? Who uses 38 here, do you find it hard to use a 45mm after 38? Ta