Score 1300 and 2250 is big difference. I can try the game on my shield tablet with score 1100 and will see. And you compare two very different operating systems and cpu architectures. See from table how big difference is between nvidia cpu and snapdragon. And see how was alex able tune his note 4. It is all about cpu and how is utilized by system.
Edit : I run it on my tablet, but I dont know how to control car. Car wont move. Probably I don’t know how to setup it. But I see how cars are driving around me and all is fluent. Then I switched to svga and it is a bit slower but seems still well playable. I used sound blaster 2.0 and svn core.