Three of the current small tablet leaders - the Amazon Kindle Fire HDX 7, Apple iPad mini with Retina Display, and Google's new Nexus 7, have been pitted against each other for a display quality competition by Dr Raymond Soneira from Displaymate.
The conclusions pretty much jibe with what Anandtech observed in its own tests of the iPad mini 2 with Retina Display. The new iPad mini has the highest pixel density of the three, despite the inch larger screen diagonal, thanks to the breathtaking 2048 x 1536 pixels of resolution.
In terms of color accuracy, though, it represents the smallest color gamut range of the three, and also has the highest mirror reflection ratio, which means it will be the worse to use under direct light. The average reflection on all three slates was pretty good, though, making them fairly suitable for outdoor usage. The Retina Display iPad mini showed lowest peak brightness, though, and comparatively weak contrast rating at high ambient light levels.
The iPad mini 2 with Retina Display is rumored to ship with a variety of panels, made by LG, Samsung and Sharp, since Sharp's IGZO tech can't churn out enough yield, so the results might vary in the next batch of iPad minis that arrives from the assembler. Here's the rather lengthy, but telling conclusion after the professional display quality measurement equipment has spoken: