[mythtv-users] Lowest power HD frontend?

Raymond Wagner raymond at wagnerrp.com
Tue May 28 17:45:16 UTC 2013


On 5/28/2013 1:28 PM, Joseph Fry wrote:
>
>         I know there is i3 530 that is like 16 watts
>
>
>     Really?  I looked up the i3-530 and it has a TDP of 73 W!
>
>     http://ark.intel.com/products/46472/Intel-Core-i3-530-Processor-4M-Cache-2_93-GHz
>
>     Also, that's just the CPU.  By comparison the Atom 330 used in the
>     IONITX stuff has a TDP of 8 W.
>
>
> TDP numbers are really almost worthless these days.  The number is 
> accurate IFF the processor is fully utilized... which it rarely, if 
> ever, is.  They pack so much on the silicon these days that it's hard 
> to get to the TDP... essentially, you would need to fully load both 
> cores, the GPU, memory controllers, cache, etc.

It's also only accurate at the top end of the family.  A whole series of 
CPUs from 2.5GHz to 3.5GHz from the same bin might report the same TDP, 
even though only the ones running 3.5GHz will ever actually hit that.


More information about the mythtv-users mailing list