ATITool is an overclocking utility designed for ATI and NVIDIA video cards. Design target is to write a light-weight application for the enthusiast - so no questionable registry tweaks.
Features:
- No limits overclocking.
- Support for overclocking for NVIDIA cards.
- Adjustment of GPU and memory voltage (when supported by VGA card).
- Tweaking of memory timings (most ATI cards).
- Finding maximum core and memory overclock by rendering into a Direct3D window and scanning the output for visual artifacts.
- Temperature monitoring and fan speed control (on supported cards).
- Removal of Catalyst overclocking lock for 9000/9200/9550/9600 series.
- Artifact scanning mode to test for stability.
- Loading a predefined clock profile on Application/Windows startup.
- Hotkeys that can be used any time to load clocks from a profile.
- Extract video card BIOS to file for backup purposes.
- 3D application detection (Direct3D 8, Direct3D 9, OpenGL) to overclock your video card only when required.
- Gamma control
- Full Vista and XP64 support
- Support for all ATI RV6xx ASICs
- No changes to R600 support in this build
- Better support for multiple adapters
- Latest NVIDIA non-WHQL drivers with some G8x cards not supported
- Better handling of clock step sizes
- Fixed vertex/pixel/unified shader reporting
- Added detection for about 20 older and newer ATI ASICs
This is BETA software!, please use caution when installing it on your system
Download: ATI Tool 0.27 Beta 3
Screenshot: >> Click here 
Link: Home Page | Official Forum | Wiki
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