G500 GPU 8570m issue

I have the essential g500 with windows 7 64bit intel 2020m and 8570m gpu. The gpu is clocked at 825mhz and has 1gb of memory. How is that so since amd site repots that this gpu should have 2gb memory and 650mhz clock?
I also have a wierd issue. Wether i lower/increase my cpu ghz or overclock the card the frames on games remain the same. Also the frames are the same even if i underclock the card up to a point. What kind of graphics card doesnt change frames when it is either overclocked or underclocked when the cpu isnt bottlenecking?  Is this a special lenovo version of 8570m?

hi pushpender,
Welcome to Lenovo Community Forums!
Try opening the Mouse / Touchpad settings
    Open Control Panel / Hardware and Sound / Mouse
       The last tab on this Windows should be your touchpad
Once you have that window click on the ELAN hardware then click on options.
   Try configuring the tapping option in there.
Let me know your findings
Cheers!
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    Did someone help you today? Press the star on the left to thank them with a Kudo!
    If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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