Will DisplayPort improve image quality over DVI on an Eizo ColorEdge CX271?
Asked 7/2/2014
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I use an Eizo ColorEdge CX271 for editing 24MP RAW files in Lightroom. Right now it is connected over DVI, and I’m considering upgrading my graphics card so I can use DisplayPort.
The monitor specs suggest DisplayPort supports higher tonal depth and wider color capability, while DVI is typically limited to standard 8-bit output. In real-world photo editing, will switching from DVI to DisplayPort give a noticeable improvement for viewing and occasional printing?
If anyone has experience with a ColorEdge or a similar wide-gamut professional monitor, I’d like to know whether DisplayPort is worth using and what else has to be in place for it to matter.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
12y ago
2 Answers
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In theory, DisplayPort enables you to get the most out of your monitor. How much you will notice the improvement depends on a lot of factors; proper calibration, ambient lighting, your own colo(u)r perception and so on.
Thath being said, the image certainly won't get worse. Maybe your pics will look worse, because minor details suddenly become more noticeable. Then again, that is exactly what you want when using a proper, 'honest' monitor.
My advice would be to just buy a DisplayPort cable and use it. The worst thing that can happen is that you for some reason dislike the image and you are left with a unused cable, the best thing that could happen is that you use your monitor to the best of its capabilities.
Originally by user29643. Source · Licensed CC BY-SA 4.0
user29643
12y ago
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DisplayPort can let you get more from a monitor like the CX271, mainly by enabling 10-bit output, but the connection alone does not guarantee a visible improvement.
To benefit from 10-bit color, the whole chain must support it: graphics card, driver settings, monitor, cable, and the software you use. If your software or driver still outputs 8-bit, switching from DVI to DisplayPort may show little or no difference.
How noticeable it is also depends on calibration, ambient light, and your own ability to see subtle gradations. You may notice smoother tonal transitions and more visible fine color differences, especially on a well-calibrated wide-gamut display.
So yes, DisplayPort is worth using if your system supports true 10-bit workflow. It won’t make the monitor worse, and it may help you use it closer to its full capability. Just be aware that you may need to enable 10-bit output in the graphics driver, and your editing software must support it too.
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