![]() Heatsink thermal pads are much less messy than thermal paste. ![]() You'll likely need to add a cooling fan to these components to ensure temperature is brought down to an appropriate level. In components that consume much more power, such as a high-performance FPGA or CPU, using thermal pads or thermal paste is not where the debate ends. If temperature rise is a greater concern and you need that extra half a degree of temperature reduction, then go with the thermal paste. If you're still unsure if you should use thermal pads or thermal paste, both solutions will leave you with a very close-to-level surface on which to mount your heat sink. These small air gaps will provide slightly lower heat transfer conductivity rate as air is not as good at transferring heat. However, there will still be very small gaps between the CPU and the thermal pad. Thermal pads, on the other hand, will still lay down nicely on this nearly flat surface (similar to laying down a huge piece of plywood over my close to level ground). This provides much better heat transfer to the heat sink. Because it is a thick liquid, it will fill in all the gaps on the component and the bottom of the heatsink. A layer of thermal paste or thermal grease will form a complete coating over the top of the component. The thermal adhesive will hold for a very long time, and it will be a far superior option when it comes to heat transfer or thermal conductivity to your heatsink. This is one of the advantages of using a thermal pad vs. This paste will fill all your micro-bumps exceptionally well. Now imagine that concrete (that will fill the small inconsistencies very nicely) as a thermal paste or thermal grease that you pour over your CPU. But I still had to get it to a point for others to pour concrete all over and erect a fantastic foundation that will last for years to come. Realistically, there’s never going to be a perfectly level foundation-there are too many outside influences and factors that are entirely within our (practicable) control. Thermal Paste: Which Provides Better Coverage? ![]() With the right understanding of mounting heat sinks, though, you can do better at keeping your CPU in the shape and structure that it needs to be. It’s the way of the world for a CPU to experience difficulties staying at pristine levelness. Although at a micro-fraction of the size, your CPU will inevitably hold those tiny bumps here and tiny dips there, too. By the end of the day, you better believe I had that sucker down and looking like a site fit enough to build the great pyramids on.īut as perfect and flawless as I thought my work to be, there still remained the unavoidable one-inch bumps and dips here and there. One inch leaves very little room for error in my work. I would run through a spit of land with nothing more than a shovel ensuring that the ground is flat and level within an inch tolerance. It was a tedious and taxing job, but something that is quite crucial for a building in order for it to withstand years of use and abuse. I used to work as a construction assistant, where my primary responsibility was to level properties prior to the heavy concrete trucks laying down a level foundation. ![]()
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