There are three cameras in the GoPro lineup: The Black, the Silver, and the White. Those aren’t options for the color of the case–they’re actually all slightly different shades of gray, after all–they refer to different models of camera.
The one with the most features and the highest price is the Black edition. It’s the flagship model. The White is the simplest and lowest-priced. The Silver sits between them. But it’s not always clear what the differences are between the models.
The quick version is that the Black and can do everything the Silver can do, and quite a lot more. It’s a better camera and more capable, but it’s also more expensive, and with all those features can come some extra complexity. The Silver is still a very capable camera, but it has fewer features (so can be a little simpler to use) and is priced lower.
The White and Silver are both suitable for active holidays and outdoor sports. Novice videographers use the White to record sharp images.
The Black is suitable for advanced videographers that want to make detailed 4K videos.