AMD Overdrive would be useful if you had a good desktop computer or a laptop with a good CPU. It's for in windows overclocking of CPU, HT frequency and ram settings. Different motherboards will have different overclocking capabilities with AMD Overdrive; some motherboards will allow more overclocking functions in AMD Overdrive compared to others, and Black Edition CPUs will allow you to change their multipliers. AMD Vision Graphics Overdrive is for overclocking your graphics card.