[SATLUG] [OT] Why no cooling fan on older graphics card??
othniel at gmail.com
Thu Jan 6 14:58:32 CST 2011
This answer is bogus. The previous answer was correct.
Modern GPUs (especially nVidia and ATI) operate at significantly
higher temperatures than Intel / AMD CPUs.
They are enormously more powerful than the older generation
frame buffer type Video Cards. They actually offload work
from the Main Processor or CPU.
Thus the enormity of the generated heat. But no the manufacturing
processes have not gotten that good yet. in fact laptops generate
lots of heat.
On Thu, Jan 6, 2011 at 2:34 PM, David Kowis <dkowis at shlrm.org> wrote:
> On 01/06/2011 12:01 PM, emon wrote:
>> Hi guys
>> I tried to google for this, but could not get any relevant answer. May I
>> am not googling right :-/
>> So here is my question.... I often noticed that the latest model of
>> graphics cards come in large packaging and have a huge heat sink& a
>> cooling fan, so much so that the heat sink& fan even blocks access to
>> the the PCI slot just below the AGP/PCIe card...., but as the model get
>> older (say by a year or two) the size of the packaging shrinks along
>> with the Board, heat sink& fan. Sometimes the fan is completely done
>> away with.
>> As far as I can tell, the packaging is totally a marketing gimmick; but
>> I can't understand how they manage to shrink the circuit board, heat
>> sink& the fan!! Surely it is still the same electronics& it must
>> produce the same amount of heat!!
> As processes for producing chips improve, they're able to better dissipate
> the heat, and so the thermal production of the newer models of old graphics
> cards goes down significantly.
> Basically, they build better circuits, and so they don't generate as much
> I think that answers your question?
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