This is the million-dollar queries for many indidual – if the function to cost ratio of a collapsed product is very significant, why don’t ATI and Nvidia crank the clocks to their determines, granting for no room for DIY tinkering? The trouble is chiefly 1 of yields and supply, though other elements have their component to play.


As manufacturing a silicon chip is even an general science – despite the ridiculously lengthy function– a company can never be convinced how many chips of an acceptably high quality will come from each wafer. This is concerned to as the ‘yield’. If you acquire a plenty of less-quality, but not really broken, chips you may have to satisfy your supply commitments by campaigning the chips at less frequencies. This is a bad-matter scenario, but generally producers of high-require chips incline to be pretty moderate about the official frequency of their chips so that they can sell as many chips as potential.


Chip production in common follows a bell-curve of quality, so when you’re circumstances the last clock speeds of a particular product, you’re choosing how long down the slopes of the curve you want to go to receive the demanded yield for your supply.

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However, you don’t need to fix you cut-off point so less, as you’ll lose the cost-to-function war with your competitor.


All just and then a subsequent function-value of chips can handle much higher frequencies than the 1st batches. If the chip manufacturer is convinced that it can develop chips of this quality consistently, it might select to brand these chips as better component. Maybe a novel stepping has been brought in and you can give the novel chips a slightly higher product number to present this extra speed and quality to consumers.


Generally the concludes for a high-quality batch of chips are random or unsustainable. Perhaps the silicon wafers were now purer that month or there was low-quality tectonic action or Saturn was adjusted with Venus in the correct way. If this happens then you now finish up a batch of chips that, despite having the similar product name as other chips, overclock much better.