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Why do laptop manufacturers use thermal pads?

post #1 of 4
Thread Starter 
Hi guys, what are all the reasons for laptop manufactures using thermal pads/tape on processors, chipsets and on-board graphics cards?
post #2 of 4
Because it cheaper for them to make
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Intel Core i5 3570 | 4.0GHz | 1.1v Asrock Z77 Extreme6 Inno3D GTX 470 Hawk | 850 | 1800 | 3600 | 1.1v Corsair Vengeance Pro 8GB | 2x4GB | 9-9-9-24 |... 
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Western Digital Caviar Blue 1TB Asus DVD-RW Stock Windows 8.1 Pro | x64 
MonitorMonitorKeyboardPower
Samsung PX2370 Samsung S20B300 Rapoo E9070 Silverstone ST50F-230 
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post #3 of 4
Thread Starter 
Are they used for components with raised heatsinks? There must be another reason for the manufactures using them.

Also do you know how much more effective thermal paste is compared to pads and tape?
post #4 of 4
because its cheaper and easier for them to apply on ram.

cpu/gpu chips have heat spreader that covers up SMT capacitors/resistors, so they can use a paste. whereas the RAM chips are just chips and putting paste on top of the chips could spread onto other components that could mess up thier electrical properties like resistance and capacitance.

you can use paste on the ram chips, but its ill-advised as there may not be a direct contact between the sink and the paste and you have less control on how much paste you are using that may end up screwing something else up.
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