Today you learn how to speed up a video card, by what means to test it on stability and to measure productivity of a video subsystem. So, are you ready? Then here we begin …
The general concept about video card speeding up
Over clocking of video cards are provided by increase of frequency of a graphic kernel and memory and as consequence the increase of productivity of a video subsystem of the computer. It is the most safe to speed up a video card by specialized utilities — such as Riva Tuner, Power Strip and etc. Change of frequencies occurs hurriedly in the video driver, therefore, if something has gone wrong — it is always easy to be rolled away on a step back. Also it is possible to raise frequencies directly in BIOS itself of video cards (by an insertion of new frequencies), but it can happen so that you will stitch frequencies on which the video card cannot work — then it will be much more difficult to restore its working abilities, therefore the first way of speeding up is the most safe.
About the speed of the memory
The speed of the memory is measured in nanoseconds. To define it is possible on last two figures of one of lines of marks of a microcircuit of memory. For example, xxxxx xxx-33 means that, 33 is 3,3 nanoseconds (in abbreviated form nanosecond). To shift nanosecond in megahertz is simple enough: there is a formula – 1000/nanosecond; if you memory is of type DDR, then in addition it is necessary to increase the received value on 2. For example, on my video card the memory type DDR is of 2,8 nanoseconds—it means, that it is necessary 1000/2,8 = 357 x 2 = 714 MHz.
So we start to speed up
The principle of overclocking itself is simple enough: we raise the frequencies of a kernel/memory and we test a video card for stability of work. So, you have already installed Riva Tuner. If is not , download the freshest version of the given program. We start Riva Tuner, and before us there is a main window of the program where it is possible to see model of your video card, the installed video driver, etc. And now there are two ways of action: to speed up a video card by means of the video driver or “directly”, without mentioning the video driver. Last variant will not pass practically on all new models of video cards, we will consider therefore a variant number 1.
We click on Customize, there is an additional menu where the first bookmark System settings is necessary to us only, accordingly we pass to it, and to our look the control center of frequencies of a graphic kernel and memory of your video card opens, further we install a flag opposite the Enable driver-level hardware overclocking ,then the window with the prevention of the recommendation of reboot of system for ostensibly more correct definition of frequencies of a video card will jump out. Safely we press Detect now and we pass directly to the process of speeding up.
You see before yourselves a pair of sliders: Core clock is responsible for frequency of a kernel, Memory clock — is for the frequency of memory (if your video card has separate frequencies 2D – and 3D-modes it is necessary to be switched to management of 3D-frequencies and to disperse them).
Let’s begin with increase of frequency of memory: we add 20 MHz, we press button Test, to Apply, and further we test a video card, for example, in 3DMark 2001/2003, then still we raise frequency, again we test — and so until we will find a ceiling of speeding up of memory (more in detail, than to test, more low). A method of speeding up of a graphic kernel is same. We will consider that you have found a ceiling of frequencies of a kernel and memory, have tested a video card on stability and a work correctness. So that all our works were not gone in vain, after rebooting the Windows, it is necessary to keep already new frequencies of a video card. For this purpose we establish a flag opposite Apply overclocking at Windows startup all in the same window of management of frequencies and we press Save.
Your PC can get into serious troubles if you do not pay attention to the regular update of the drivers. And this is where driver updater can save you much time and efforts.
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