Microsoft microfluidic channels cool GPU 65%, outperform cold plates by up to 3x

"Microsoft develops breakthrough chip cooling method — microfluidic channels can cut peak temps by up to 65%, outperform conventional cold plates by up to 3x" (2025) https://www.tomshardware.com/pc-components/liquid-cooling/mi...

"AI chips are getting hotter. A microfluidics breakthrough goes straight to the silicon to cool up to three times better." (2025) https://news.microsoft.com/source/features/innovation/microf...

	▲	westurner 9 hours ago \| parent [-]
		Graphene based chips would have less thermal loss. Graphene heat sinks without thermal paste: "Graphene based CPU coolers" (2025) https://www.pcgamer.com/hardware/processors/cyberpower-begin... "Graphene thermal pad for AMD CPUs promises 17X better conductivity than thermal paste, 2X improvement over Thermal Grizzly" (2025) https://www.tomshardware.com/pc-components/thermal-paste/gra... ... What work can channeled heat do? "Electrically gated molecular thermal switch" (2023) https://www.science.org/doi/10.1126/science.abo4297 ... "Thermal transistors handle heat with no moving parts" (2023) https://news.ycombinator.com/item?id=38270523 FWIU it takes extra heat to heat pipe heat e.g. to a thermal energy recovery area of a datacenter. New advances in thin-film thermoelectrics for cooling not energy harvesting IIUC: "New thermoelectric cooling breakthrough nearly doubles efficiency" (2025) https://news.ycombinator.com/item?id=45323213