I'm afraid I'm no good to you, I have the older 8" screen. I would think that the SD card only contains map data, not the actual navigation software itself. But who knows, maybe it does.
As an aside, I just got off the phone with a Mazda dealership. It turns out my navi SD card that was causing my infotainment to reboot in extremely cold weather is covered under warranty. So the replacement card is waiting for me at the dealer. I'm curious to see what the model number is and if it has newer map data (mine is outdated, although of hand I can't remember how out dated).