Close to 50-50 according to their breakdown of revenue by business division [0]. Assuming "consumer electronics" and "mobile communications" mostly refer to selling finished products, and the other groups like "semiconductors" are for selling components.
Samsung is a big and diverse company, not really comparable to a more focused company like Apple. In addition to smartphones and components, they’re the largest manufacturer of TVs and a big manufacturer of appliances. If you look at the larger Samsung group, and not just Samsung Electronics, it includes one of the largest shipbuilders in the world, construction, life insurance, and more.
