Belgian company Imec has proposed an effective CPU cooler crafted out of silicon and only a couple hundred micrometres deep. This microchannel chiller is capable enough to dissipate massive quantities of heat from its relatively low square-footage, plenty enough for current CPU or GPU designs, and could even reside inside the chip itself. With a growing need for compute power, the energy efficiency of today’s CPUs and graphics cards is more crucial than ever to their eventual implementation. There's a tradeoff for all that power within a single package, after all: waste heat. And current cooling methods are exponentially larger than the chips themselves in order to dissipate enough heat for smooth operation. But Imec has proposed a solution over at the Embedded World Conference 2019 (via HardwareLuxx). Built from silicon, its tiny chip chiller features miniscule channels just 32μm x 260μm big, and these are capable of cooling up to 600W/cm2 at under 100°C. Even Nvidia’s RTX 2080 Ti could be a potential candidate - its 754mm2 die necessitating just a 260W TDP. And the company aims for a price tag of just one dollar a piece.
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