Unless you have tried it "for real" you have no way of knowing if it works at all in actual games, and perhaps more importantly if it is a stable overclock, i.e., that it works consistently when gaming for hours on end without crashing or overheating.Ī couple of good programs that are specifically designed to stress test your system are Furmark and Futuremark's 3D Mark benchmarks (see Guru3D for these downloads as well). Just increasing the clock frequencies of your laptop's graphics card and see whether it hangs or not won't do you any good. You can probably safely raise the clocks by a larger amount, say 50MHz, the first time around, and then up them by 10MHz at a time, testing for system stability between each increase. It's highly recommended that you raise the clocks in small increments and test the system for stability in between the clock increases. ![]() Now you are free to start adjusting those clock speeds, but be careful! Raising the bar to high will cause your system to hang and/or overheat. In most laptops, the fan speed is controlled by the BIOS (the computer's firmware), so this option will be grayed out. The simplicity of this tool is admirable you can adjust the core clock, shader clock and memory clock separately, with an option to link the shader and core clocks (recommended). It's branded and created by eVGA for use with the manufacturer's own graphics cards, but works equally well with other cards and even laptop GPUs. For the sake of this demonstration we will use eVGA's Precision software, which is very easy to use. ![]() ![]() If you want to browse around, visit Guru3D for a more or less complete list of downloadable software (most of which are freeware). As for the aforementioned overclocking tools, there are several good ones-even official varieties from AMD and NVIDIA.
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