How Graphics Base Frequency Caluculate

[Oniel_K_Intel]

I was wondering how is the Graphics Base Frequency calcluated on Intel processors that have integrated graphics? Example for i5-2500 graphics base frequency is published as 850MHz @ http://ark.intel.com/products/52209/Intel-Core-i5-2500-Processor-(6M-Cache-3_30-GHz)

[Hussam_Mousa__Intel_]

Try asking in this forum:
http://software.intel.com/en-us/forums/developing-software-for-visual-computing/
They have a lot more graphics experts there.

Also, there's a cpu id tool that may have this information for your specific machine:
http://www.intel.com/support/processors/tools/piu/sb/CS-014921.htm