The nature of the job often requires a device with a faster processor to meet the demands of everyday life. Most often, the quality of Chip, the size of RAM, and a battery capacity that's huge, especially if they have large RAM or more, it will allow faster processing equipment.
The speed of reading and writing data on the Hard Drive (storage of equipment) are important factors as well. To make those devices or faster processor. Enabling device manufacturers such as Apple and Samsung to develop a device to read, write feature stories and more.