Q: Is there a site or program where I can compare visually an image between two iMacs for comparing resolution quality?
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Oct 14, 2016 2:08 PMby K Shaffer,With an external calibration product to assure the screens are of the same appearance
then other aspects of the image appearance may be better understood. Before trying to
find or buy a third-party calibration, see what the built-in macOS display options do first.
There is a hidden (opt/click) key to exhibit more options (depends in version OS X) in the
Display control preferences (that I haven't used.)
Just saying, that if their respective settings are not comparable, then visual is not likely.
Each machine can be a little bit different. As BabyBoomer suggests, an online search
may (or may not) be a method of locating software or hardware solutions in this regard.
Good luck & happy trails!
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Oct 15, 2016 4:17 AMby woodmeister50,Are the iMacs identical (same model number)?
Do they have the same graphics processor (GPU)?
If they are identical, do the have roughly the same number of hours
of usage?
If the above are true, you could use the visual calibrator available
in Display Preferences on one of them. You could then use the icc
profile from it on the other iMac. It should be pretty close if the
above are all true.
If they are totally different models and years, then you may need
to resort to a calibration device depending on how close they need to
match. If "close enough" is sufficient, just use the built in visual calibrator
on both. You need to make very sure that the calibration is done under
exactly the same conditions, i.e. find a spot you can put them and also
be sitting at exactly the same distance from them.
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