The Kindle Fire HD 7" has an omap 4460 not an omap 4470
This is just an FYI. I was under the impression that the 7" HD also had an omap4470 but no such dice. The 4460 is the same chip in the galaxy nexus and it's definitely a good enough chip but it's not as powerful as a tegra 3, CPU or GPU wise. So the 7" HD is not nearly as powerful as the nexus 7 in pushing out that resolution. Something to consider before placing that order.