How to Overclock an ATI Radeon HD 3650

Written by eric brown
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How to Overclock an ATI Radeon HD 3650
Overclocking your ATI graphics card can lead to unwanted damage. (graphic card image by from

The ATI Radeon HD series is a set of graphics cards available from AMD, creators of the ATI graphics chipsets. The ATI Radeon HD 3650 is a single PCI-express slot graphics card that comes with dual DVI ports on it as well as an S-video connector and HDMI interface. Overclocking an ATI Radeon HD 3650 can increase the speed and abilities of the card, but it can potentially cause unwanted damage to your graphics card and other hardware components in your computer due to the heat output generated.

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  1. 1

    Click start in the lower left of your screen to open your Windows Start Menu. If you are using Vista or Windows 7, it will be found in the Windows icon.

  2. 2

    Click on "All Programs" at the bottom of the left-hand menu. Hover your mouse over the folder containing your ATI installation items. Select "Catalyst Control Center" from the pop-up menu.

  3. 3

    Select "ATI Overdrive" from the left-hand graphics settings menu in Catalyst Control Center.

  4. 4

    Check "Enable ATI Overdrive" at the top of the window and click "apply" at the bottom if ATI Overdrive is not enabled. Otherwise, skip to step five.

  5. 5

    Adjust the sliders to your desired settings for both the GPU clock and memory clock in the section labelled "Requested Clock Settings," in the middle of the window. Some ATI graphics cards may max out at a certain level and cannot be overclocked beyond it. This is an effort to reduce potential damage to your graphics card.

  6. 6

    Click "Apply" at the bottom of the window. Reboot your computer to put the changes into effect.

Tips and warnings

  • You can check your GPU temperature from within ATI Overdrive.
  • Use the "Auto-Tune" feature to find optimal settings for your graphics card.
  • Never overclock your graphics card if it is already running hot. Damage will likely occur.

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