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Message: <blockquote data-quote="Anusha" data-source="post: 26032" data-attributes="member: 828">Isn't that how they make all the stuff? Good example is video cards. The huge differences of performance is a result of disabling the # of functional pipelines, limiting the memory bus width etc. The clock speeds also are changed, but they don't contribute much to the HUGE performance differences.Why they do this is because it's easier (less costly) to make only a limited number of PCBs. Same with CPUs, but they need to do some tweaking after a certain clock speed, to go for higher clocks.I didn't know that they check each CPU. I know that when it comes to motherboards, they power the motherboards (each of them) up and check the voltages at certain predetermined test points to see it the voltages are within the allowable range (the margin of error better be very small <img src="/styles/default/xenforo/smilies/default/wink.gif"  class="smilie" loading="lazy" alt=";)" title="Wink    ;)" data-shortname=";)" />). They never test if the board is working or not, other than that basic electronics.</blockquote>

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