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The 3D rendering shows a supposed fourth-generation iPad Mini with a 6.1 mm depth, which is the same depth as the iPad Air 2. For comparison, the current iPad Minis have a 7.5 mm depth. All other dimensions appear the same as the current iPad Mini.
If true, a slightly thinner iPad Mini would look and feel sleeker, but there is little mention about its weight.
Previous rumors also suggest that the next iPad Mini will get a performance upgrade and anti-glare lamination on its screen, just like the iPad Air 2.
Apple typically reveals and releases new iPads in October or November, so we can expect to see an announcement this fall.
Check out the video of the 3D rendering to get a full look at the purported iPad Mini 4: