Well, that probably depends greatly on the device you are using. There's dozens of Android smartphones out there.
With this said, OsmAnd updated their rendering engine last year to use OpenGL, so the way each phone and OS handles OpenGL will have a great impact too. Of course considering that you have your Android OsmAnd configured to use the Version 2 rendering engine (which uses OpenGL), and not Version 1.
Well, that probably depends greatly on the device you are using. There's dozens of Android smartphones out there.
With this said, OsmAnd updated their rendering engine last year to use OpenGL, so the way each phone and OS handles OpenGL will have a great impact too. Of course considering that you have your Android OsmAnd configured to use the Version 2 rendering engine (which uses OpenGL), and not Version 1.