Hi Nate. The wall hasn't come about yet.
To judge things for yourself have a look at the pics here http://1drv.ms/1jN6FZ6
With Lumix TZ30, Lumia 920, Lumia 1520. Examples from Lumia 1020. With Lumia 1520, Nokia Camera has settings for 5MP only, 5MP + 16MP, 5MP + 16MP DNG.
Oh horror, it doesn't store location info in high-res files!
Feel the TZ30 is best in High Dynamic Range still.