I have build 10080 on my Lumia 1020. The default camera app (Microsoft Camera) is simply awful. Granted it doesn't take long to load, but that's about all it has going for it. It's extremely buggy and takes even longer than the Lumia Camera to save a picture and be ready for the next shot. That being said the Lumia Camera app runs pretty much exactly the same as on 8.1. Same loading times, same picture quality, and same shot-to-shot speeds.
So to counter what Geo Hutchings has stated, you aren't really missing anything by being on W10TP, but then again there are other issues with it not related to the camera. I don't have any sample pictures right now, but I'll try to get some from both the default camera app and the lumia camera app.