As such, if you’re already flirting with the upper limits of your power supply (PSU), overclocking may tip it over the edge and cause system instability, or worse-damage the PSU. Overclocking your graphics card puts more strain on your PC’s power supply.Īs we’ve just mentioned, overclocking a graphics card will result in increased power consumption simply because it requires more juice to run the card’s GPU and memory at higher frequencies. Where the “right” peak temperature lies for each GPU will vary from card to card, but typically, you’ll want to keep it around or below the 90-degree Celsius mark. The GPU-tweaking utilities we mention a little later will all report GPU temps as well. Most motherboard manufacturers have utilities available to read the thermal sensors on their boards, and your system BIOS will report hardware health data. System temperatures can be monitored using any number of tools. The coolers used on most of today’s gaming-oriented cards typically have some built-in headroom to accommodate at least some level of overclocking, but if your card or system already run hot, additional cooling may be required. By definition, overclocking a graphics card means running it above its stock GPU and memory frequencies, which will result in higher power usage and heat output.
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