Timeline for Why aren't CPUs cooled from below as well as above?
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| Jan 16, 2018 at 10:13 | comment | added | Peter Cordes | Further reading: the "power wall": why we can't build CPUs that dissipate more than about 200W, even if we wanted to. TL:DR: power density with tiny transistors is a problem. (That article has a nice overview of CPU microarchitecture from early pipelined CPUs up to modern OoO, as well as the power wall issue that caused Pentium 4 to fall flat on its face. Intel picked the wrong time to switch to a power-hungry speed-demon design, just a couple generations before the transistors were small enough for that to be the limiting factor.) | |
| Jan 15, 2018 at 22:56 | history | answered | Marcus Müller | CC BY-SA 3.0 |