Edit: seems mobile and desktop have a different crop of that image. Here is the image that shows 720: https://images.ctfassets.net/rporu91m20dc/1XYHhlYZzNI1NxRRJl...
That would make sense as well in their discussion about CPU power - that resolution would require a lot of it compared to, say, 4k.
Edit: seems mobile and desktop have a different crop of that image. Here is the image that shows 720: https://images.ctfassets.net/rporu91m20dc/1XYHhlYZzNI1NxRRJl...