I bought a FireTV. It wouldn't work with my TV and Netflix would constantly stop and buffer (I think it forced an HD stream). I returned it and got a Roku and

I bought a FireTV. It wouldn't work with my TV and Netflix would constantly stop and buffer (I think it forced an HD stream). I returned it and got a Roku and it just works perfectly. I wonder if this will have compatibility problems. The TV reported as meeting the requirements and my computer finds and configures it as a 720p monitor.