Image Resizing

One small feature I always disliked about the iPhone was it resizing any image to display on the iPhone at a lower resolution. I would have always liked the ability to save high resolution images and just be able to zoom into them but it's not possible in the default Photos app.

So maybe people who've played with the iPad Simulator would be able to answer my question. Does the iPad do the same function? Or with it being a more powerful device then the iPhone can it handle the higher resolution?

I hope my question(s) made sense.