Why won't the D600 have better high ISO performance than D800?

Started Sep 13, 2012 | Discussions thread
KLO82
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Re: Why doesn't the D7000 have D800 performance?
In reply to Dan, Sep 16, 2012

Thats why I wrote "lets just assume that a full frame camera which has exact same pixels as D7000", and didn't mention D800, AFAIK D800's pixels are (slightly?) different than D7000's.

Dan wrote:

Thanks. That makes sense. What's the real-world difference vs. the 1.2 stops of actual difference? Isn't it more than 1.2 stops?

KLO82 wrote:

Lets just assume that a full frame camera which has exact same pixels as D7000. In that case will have better high ISO performance as it will collect 2.25 times ( ~ 1.2 stops) more light (due to having sensor area of 2.25 times larger) than D7000 at same exposure. Here we are talking about same sized output.

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