![]() ![]() Your memory clock speed generally won’t affect your frame rate or benchmark scores as much as the core clock speed, but it’ll help, especially if you’re running at a higher resolution. When you’ve found the highest stable clock speed for your card, repeat step two with the memory clock slider. If the benchmark crashes to the desktop, seems to slow down dramatically, or gives you a lower frame rate or score upon completion, drop the clock speed by 10MHz until you can run through the benchmark without any problems. Keep an eye out for weird graphical artifacts-visual glitches that range from colorful lines of light to random off-color pixels across the screen-and for crashes. After applying your changes, crank up the settings on Heaven Benchmark-quality at ultra, tessellation to extreme, anti-aliasing to 8x, and resolution at system-and run through it at least once by pressing F9 or clicking the “Benchmark” button. Then grab the Core Clock slider and move it forward at 20MHz increments. Start by maxing out the Power Limit slider-this isn’t the same as overvolting, the power limit is simply how much power your card can draw. Once you’ve got some averages in hand-for the 650 TI: 1,179MHz GPU and 1,687MHz memory-you’re ready to start overclocking. Unigine’s Heaven benchmark looks good and is packed with features. Run through 3DMark or Heaven Benchmark once to get your base scores. ![]() ![]() Although you probably don’t need to run through an entire suite of benchmarks, having a baseline to refer to is useful. It also helps to know how much real-world performance you’ll be getting out of your overclocks. Our test bench included the GTX 650 TI and 7850, which have average overclocks listed on the site. HWBOT is the easiest way to look up what overclocks other users are achieving. Getting in the Knowīefore you even start overclocking, it helps to know what sort of overclocks you can expect from your hardware. GPU-Z is the final piece of the puzzle and although you don’t technically need it, it’s super helpful for checking your GPU and memory clock speeds. They’re also useful for quantifying just how much more performance you’re getting out of your hardware. You’ll also need a benchmark like 3DMark -download the demo-or Unigine’s Heaven Benchmark to make sure your overclocks are stable enough for daily use. If any part of the guide doesn’t make sense, ask for help in the comments or spend some time on Google. Keep in mind that the procedure for each video card can be slightly different. If you’re willing to take the risk, read on to learn how to overclock your graphics card. Although we’re willing to walk you through the steps, we can’t be responsible for any damaged hardware or problems arising during the overclocking process. Be forewarned-even the most basic overclocks can end in tragedy. We’re here to help with a guide on how to overclock your graphics card. That’s not to say that the best overclocking practices are obvious. Wringing more performance out of your graphics card is now as simple as moving a few sliders and testing for stability with a benchmark. AMD even bundles its own overclocking solution-AMD OverDrive-with its Catalyst drivers. EVGA Precision X and MSI Afterburner are just two of the most popular choices for software overclocking. Overclocking a graphics card used to be more trouble than it was worth, but things have changed. ![]()
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