1. A computer-implemented method of analyzing performance of a device model, said method comprising: accessing graphical data; determining a workload associated with rendering said graphical data; accessing configuration information associated with said device model; automatically generating theoretical performance analysis for said device model processing said graphical data, wherein said theoretical performance analysis is generated based upon said determined workload and said configuration information, and wherein said theoretical performance analysis comprises information about processing of said graphical data by at least one graphics pipeline unit of said device model; and outputting the theoretical performance analysis.