Hmmm... It's a toss up. They all did well. Unfortunately, the 950 doesn't have built in panorama mode so it couldn't compete in that category. Otherwise, they all took really good pics.
Best smartphone cameras: Galaxy S7 vs. iPhone 6s vs. Nexus 6P vs. Lumia 950 | Windows Central
Best smartphone cameras: Galaxy S7 vs. iPhone 6s vs. Nexus 6P vs. Lumia 950 | Windows Central