A Quick Color & Noise Comparison: Canon EOS-1D X vs Canon EOS 5D Mark III

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Canon Rumors Guy

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Jul 20, 2010
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<strong>A big difference</strong>


A reader sent in a quick comparison between the Canon EOS-1D X and Canon EOS 5D Mark III showing a very different color rendition as well as a significant difference in noise performance at ISO 25,600.</p>
<p><strong>The Quick Test


</strong>The following test was conducted at sunset. This is the reason for the white balance setting, which on my 5d3 most closely approximated the warm tone of the light. Both files were dialed in at 8000k, +15 magenta. Both use the exact same lens, and were shot within 1 minute of each other. Both files are DNG 7.1, process version PV2012, and use the camera calibration setting “Camera Neutral.” All other settings including sharpening, noise reduction, tone curve, etc are all zero’d out for consistency. I’m using the latest version of Adobe Photoshop Lightroom available as of this writing, which is 4.1.</p>
<div id="attachment_11373" class="wp-caption alignnone" style="width: 208px"><a href="http://www.canonrumors.com/wp-content/uploads/2012/09/5d3-vs-1dx-no-NR1.jpeg"><img class="size-medium wp-image-11373" title="5d3-vs-1dx-no-NR1" src="http://www.canonrumors.com/wp-content/uploads/2012/09/5d3-vs-1dx-no-NR1-198x575.jpeg" alt="" width="198" height="575" /></a><p class="wp-caption-text">The Test with 100% Crops | Click for Larger</p></div>
<p><strong>Canon EOS-1D X at <a href="http://www.bhphotovideo.com/c/product/827036-REG/Canon_5253B002_EOS_1D_X_EOS_Digital.html/bi/2466/kbid/3296" target="_blank">B&H</a> | <a href="http://www.amazon.com/gp/product/B005Y3T1AI/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B005Y3T1AI&linkCode=as2&tag=canorumo-20" target="_blank">Amazon</a> | <a href="http://www.adorama.com/ICA1DX.html?kbid=64393" target="_blank">Adorama</a> | Canon EOS 5D Mark III at <a href="http://www.bhphotovideo.com/c/product/886948-REG/Canon_EOS_5D_Mark_III.html/bi/2466/kbid/3296" target="_blank">B&H</a> | <a href="http://www.amazon.com/gp/product/B007FGYZFI/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B007FGYZFI&linkCode=as2&tag=canorumo-20" target="_blank">Amazon</a> | <a href="http://www.adorama.com/ICA5DM3.html?kbid=64393" target="_blank">Adorama</a></strong></p>
<p>Source: [<a href="http://protogtech.com/cameras/canon-eos-5d-mark-iii-vs-eos-1d-x-low-light-high-iso/" target="_blank">PPT</a>]</p>
<p><strong><span style="color: #ff0000;">c</span>r</strong></p>
 
IMHO, there is a noticeable difference in lighting color - as evidenced by the reflection in the windshield.
One minute can make a huge difference during sunset, and given that the shots aren't perfectly aligned, I'd wager that each camera measured the light somewhere else.

The difference between their high ISO performance is vast, but I'd prefer to see a slightly more reasonable exposure. Pulling 1/6400s just to be able to use ISO 25600 during the day seems a bit outlandish and quite unlikely in most settings.
 
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Jul 21, 2010
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pharding said:
I was at the WFX 2012 Trade Show and our booth was immediately next to Canon's large booth. I spent a fair amount of time chatting with their camera representatives. They stated for normal situations the 1DX and 5D Mark III perform equally well. For low light/high ISO situations the 1DX performs better.

Due to it specs it must not perform differently than this! So I am happy for the PJs and everyone who can afford this cam. The 5D3 for me is plenty of camera, though. At almost half of the price. Coming from a 30D, ISO 25k is awesome...I even dare to go up as high as ISO 51kk and 102 k for b/w.
It's taking me back to my Contax 139 Quartz days some 30 years ago 8) 102k look similar to Tri-X pan pushed to ISO 3200 ;D Cheers, Pedro
102k
http://www.flickr.com/photos/guatitamasluz/7925050234/#in/photostream
51k
http://www.flickr.com/photos/guatitamasluz/7925036148/#in/photostream
 
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Jul 20, 2010
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Regardless of how good the 1DX sensor is, it is still slightly behind the Nikon D4:
http://www.juzaphoto.com/article.php?l=en&article=113

"The performance of the two cameras is similar, but from ISO 6400 upwards the Nikon D4 is the winner by a little margin: I'd say that it has about 0.5 stop better high ISO performance than the 1DX; the D4 shows a little more noise and it has a more easy to remove, fine granulated noise."
 
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Woody said:
Regardless of how good the 1DX sensor is, it is still slightly behind the Nikon D4:
http://www.juzaphoto.com/article.php?l=en&article=113

"The performance of the two cameras is similar, but from ISO 6400 upwards the Nikon D4 is the winner by a little margin: I'd say that it has about 0.5 stop better high ISO performance than the 1DX; the D4 shows a little more noise and it has a more easy to remove, fine granulated noise."

The 1DX exposure is darker in every shot vs the D4 (look at light flare and sunlight reflections as well as more color saturation in the 1DX pictures).

Perhaps, as Brett has said, there is also a metering differential between the 1DX and the Nikon D4 or the gap between the actual observed ISO and nominally quoted ISO vary between the 2 models.

I prefer the 1DX photos and fail to see hardly any difference in ISO performance (especially at say 12,800)
 
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Woody said:
Regardless of how good the 1DX sensor is, it is still slightly behind the Nikon D4:
http://www.juzaphoto.com/article.php?l=en&article=113

"The performance of the two cameras is similar, but from ISO 6400 upwards the Nikon D4 is the winner by a little margin: I'd say that it has about 0.5 stop better high ISO performance than the 1DX; the D4 shows a little more noise and it has a more easy to remove, fine granulated noise."

I'd love to see keepers from a football game at ISO 25,600 from a D4, especially printed out 8 x 10. The overall performance of the two cameras aren't the same either. This of course coming from actual real-life users who shoot every weekend at night games and not an article on the internet.
 
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Woody said:
Regardless of how good the 1DX sensor is, it is still slightly behind the Nikon D4:
http://www.juzaphoto.com/article.php?l=en&article=113

"The performance of the two cameras is similar, but from ISO 6400 upwards the Nikon D4 is the winner by a little margin: I'd say that it has about 0.5 stop better high ISO performance than the 1DX; the D4 shows a little more noise and it has a more easy to remove, fine granulated noise."
Take another look at http://www.imaging-resource.com/IMCOMP/COMPS01.HTM
We'll see that at high ISO the black in Nikon's images shift to red while Canon's maintain.
But it's not a big deal as rarely high ISOs are used. It's just a technical fact.
 
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Since it doesn't seem to be possible to post on the website of the tester I'd like to post here:

Due to the fact that the 5D3 pictures are brighter than the 1DX it appears to me that Canon used a little trick to "improve" the 1DX's noise performance, which is that the Camera displays ISO 25,600 but in fact it uses just ISO 20,000 or so. If both cameras were using the same ISO-speed the brightness should match in my opinion. Of course the 1DX is supposed to have better noise performance at ISO 20,000 than the 5D3 on 25,600.

So i think that a second comparison should be done using exactly the same brightness (which means the same ACTUALLY ISO-speed) while disregarding displayed ISO numbers. This should show the real difference in noise between the two cameras.

I'd love to see that comparison!
 
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