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 Post subject: the dreaded S chip.
PostPosted: Wed Jan 15, 2014 5:16 pm 
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I know everyone here warns the S chip is "just an underclocked regular chip that costs more!"
-But if a;
i5-3470s @ 2.90 GHz (3.60 GHz Turbo ) is $198

and a;
i5-3470 @3.2 GHz (3.60 GHz Turbo ) is $212


then wouldnt the S chip be a better deal, with turbo enabled? :?

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Last edited by xan_user on Wed Jan 15, 2014 5:25 pm, edited 3 times in total.

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 Post subject: Re: the dreaded S chip.
PostPosted: Wed Jan 15, 2014 5:23 pm 
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Isn't Max Turbo Frequency 3.6GHz for both?

http://ark.intel.com/products/68315/
http://ark.intel.com/products/68316/

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 Post subject: Re: the dreaded S chip.
PostPosted: Wed Jan 15, 2014 5:25 pm 
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Vicotnik wrote:

yes, thanks. i had pasted the wrong stats. (was just editing op)

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 Post subject: Re: the dreaded S chip.
PostPosted: Wed Jan 15, 2014 5:48 pm 
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The maximum frequency may be the same but the Turbo schemes are different:

i5 3470

3600 MHz (1 or 2 cores)
3500 MHz (3 cores)
3400 MHz (4 cores)

i5 3470s

3600 MHz (1 core)
3500 MHz (2 cores)
3300 MHz (3 cores)
3200 MHz (4 cores)

Source: CPU World 3470 and 3470S


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 Post subject: Re: the dreaded S chip.
PostPosted: Wed Jan 15, 2014 6:00 pm 
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AFAIK Intel Turbo Boost isn't as straight-forward as the GHz is labelled. The 3.60 GHz Turbo doesn't mean that all 4 cores will be able to reach that frequency; there's a certain calculation based on the base clock frequency, which the non-S version here obviously is higher (faster).

http://en.wikipedia.org/wiki/Intel_Turbo_Boost


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 Post subject: Re: the dreaded S chip.
PostPosted: Wed Jan 15, 2014 7:22 pm 
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The exception being Asus motherboards that would allow both CPU's to run at 3.6GHz on all four cores (set by default I think). This would probably make change their effective TDP values to be nearly identical. :lol:


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 Post subject: Re: the dreaded S chip.
PostPosted: Wed Jan 15, 2014 7:40 pm 
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yakuman wrote:
AFAIK Intel Turbo Boost isn't as straight-forward as the GHz is labelled. The 3.60 GHz Turbo doesn't mean that all 4 cores will be able to reach that frequency; there's a certain calculation based on the base clock frequency, which the non-S version here obviously is higher (faster).

http://en.wikipedia.org/wiki/Intel_Turbo_Boost
It used to be like that, and maybe it is for some CPUs + Mobos, but on my i7 4770K + MSI Z87-GD65 i can reach 3.9ghz on prime95 and sustain it on all cores, ill leave you HWinfo with the loads and the ghz per core,

Image

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 Post subject: Re: the dreaded S chip.
PostPosted: Thu Jan 16, 2014 5:29 am 
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That would be great then, because that would merit the S series CPUs since they would be more efficient on lighter loads and achieve the same max GHz on load. That would also make the lower price on the S version strange.


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 Post subject: Re: the dreaded S chip.
PostPosted: Wed Jan 22, 2014 5:09 pm 
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thanks all/
well it looks like im getting an S-chip. its $175 on amazon...seems like the best bang for my buck right now.

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