That doesn't look that different to me.
Granted, the picture doesn't do it justice. Nor is that really the best picture I could find either. But authentic Italian pizza is a lot different though. The dough is hand tossed, fresh rather than processed. Rather than pre-cut toppings, it uses fresh tomato, basil and mozzarella (the real kind, not that cheap imitation stuff) all baked into the dough, with a very light, thin crispy texture to it, kind of like a pie. Also it's baked in a wood oven which also gives it a nice flavor.
Plus unlike the stuff we call pizza, I hear Italian pizza is actually healthy. They use everything in moderation, just the right amount of cheese, tomato, etc. with all the flavors balanced so neither overtakes another. While here, we just dump everything we can on to it.