A medium-sized laptop has a 15 or 16-inch screen size, These laptops are useful if you work at a desk, but take your laptop with you from time to time. A 15-inch laptop has wider bezels. 16-inch laptops have a wider aspect ratio and thinner bezels, while the laptops are a lot bigger. You can see more details on the larger screen and work more smoothly in 2 windows next to each other.