At this point, most of the laptops come with mobile processors. Mobile processors are good at the battery. They are power efficient and conserve power for the long run.nnIn laptops, processors and displays consume the most power. With the budget laptops, you see dim displays are integrated with less illuminance.nnSo, the point seems true, both the specs under a budget price range are sub-par that makes the laptops go longer than a premium laptop.