When a manufacturer decides how to package their processors, the type of TIM used is an important part of that decision. Visual representation of a regular CPU versus a delidded CPU (Thanks to EKWB) The quality of the TIM used on modern processors can vary greatly, from a layer of cheap thermal paste to direct indium-tin soldering between the silicon die and the IHS. The TIM is designed to transfer the heat away from the processor into the headspreader and eventually into a CPU cooler. Between the CPU and the headspreader is a thermal interface material (TIM). ![]() ![]() Most modern processors are manufactured with the integrated heat spreader (IHS) on top of the package, and attached to the package with a layer of glue. ![]() However, delidding a processor does carry risk, such as potentially damaging the CPU when done incorrectly and certainly voiding the warranty. In this article, we have produced a How-To guide for delidding one of the latest desktop processors: AMD's Ryzen 5 2400G APU. Delidding is a process with the aim being to reduce CPU core temperatures on processors with a less-than-ideal thermal interface between the silicon and headspreader. The benefits of delidding a design with such an interface lead to having a cooler system, or the ability perform extra overclocking with a larger delta for thermal headroom.
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