![]() There are two main ways to apply thermal grease, one is to squeeze a dab of thermal grease onto the center of the CPU/GPU surface and then rely on the pressure of the heat sink to press the thermal grease evenly, the other way is to spread the thermal grease evenly onto the CPU/GPU surface. There is no single standard for how thermal grease should be applied, but the rule is that it should be applied evenly, without air bubbles, without impurities and as thinly as possible. How to apply thermal grease for better results? In theory, the thinner the layer of thermal grease, the better, as long as it fills the gap between the CPU/GPU and the heat sink surface, because in terms of thermal performance, the thicker the thermal material, the higher the thermal resistance. The effect of the thickness of the thermal grease applied on the heat dissipation: Moreover, the thermal grease has a certain degree of adhesiveness and can keep the heat sink from separating from the CPU surface to a certain extent in case the metal spring plates holding the heat sink in place are slightly loosened by aging, thus maintaining the performance of the cooling fan. The purpose of thermal grease is not only to transfer the heat produced by the CPU to the heat sink quickly and evenly, but also to increase the thermal contact between the less flat lower surface of the heat sink and the CPU. Then, when installing a cooling fan, it is best to apply thermal grease between the heat sink and the CPU. Therefore, CPU thermal conductivity becomes particularly important. If the CPU is overheated, the system will experience a blue screen of death, crashes, reboots, etc. The CPU is usually cooled through thermal grease, which directs heat into the heat sink. The CPU, as the heart of the computer, generates an incredible amount of heat. ![]() For example, Core 3 on an Intel i7-3770K runs hotter due to it being closer to the iGPU module within the processor.Why should thermal grease be used? Where to apply it? Through experience, we found that Intel CPUs run hotter on certain cores which are closer to the extremities of the die. Vertical line method generally yields the lowest CPU temperatures. Intel CPUs generally have a rectangular die under the IHS, which means the How to apply thermal paste to a CPU: Intel vertical line method Once you’ve completed the cleaning process, you can move onto applying your new thermal paste! Read next:īest gaming PCs. You can also do the same method to clean your CPU cooler’s heatsink. If there’s residue thermal paste by the CPU latch, feel free to open your CPU latch and clean the latch and sides of your processor. This will slowly clean the processor, resulting in a clean IHS. In order to do this, apply a few drops of the TIM cleaner on a paper towel or cloth and then gently rub the solution in a circular motion on your processor. Once you’ve removed the majority of the thermal paste, you’ll want to fully remove any residue that’s been left, by using TIM cleaner. However, due to heatsinks and even the CPU’s Integrated Heat Spreaders (IHS – the metal part on top of the CPU) not being perfectly flat, micro gaps between the heatsink and the CPU create less efficient heat dissipation through the spread method.Īs well as the methods here, you can also use the X-shape, double- and even triple-line methods, but we’ve found the line and pea methods to be the best for the vast majority of modern processors.įirst you need to remove your old CPU cooler from the processor and clean the thermal paste using a cloth or a paper towel. ![]() ![]() Previously, it was believed that a ‘spread’ method yielded the lowest CPU temperatures. Similarly if there’s too much thermal paste, you might suffer from bubbles between the CPU and the heatsink, creating pockets of heat to build up. If there is too little or uneven thermal paste application, you might see a few of your CPU cores running hotter than the rest. How to apply thermal paste to a CPU: understanding the importance of thermal paste This isn’t essential, but prevents thermal paste from being accidentally applied to the latch. You should ensure the CPU latch is closed and secured before proceeding. Disclaimer: All the pictures in this guide are pictured with the CPU latch open for clarity.
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