It isn't thermal throttling. I have a widget that I use to monitor temps of all 4 cores, GPU, and storage device temps. None of them were over 55c.
If it was a driver issue, I would expect other applications (Citra, Steam games) to be effected as well, but none of them are.
If it was a driver issue, I would expect other applications (Citra, Steam games) to be effected as well, but none of them are.