The Amazon Kindle Fire HD will bump up against the iPad Retina in the very exclusive ultra-high-resolution tablet club.
That club is made up of pretty much one product right now: Apple's third-generation iPad Retina. Its 9.7-inch display boasts a 2,048-by-1,536 pixel density, which yields 264 pixels per inch (PPI).
Amazon's just-announced 8.9-inch Kindle Fire HD almost matches that, with a 1,920x1,200 resolution, giving it a PPI of 254.
Apple describes a Retina display as a pixel density that "is so high your eye is unable to distinguish individual pixels." … Read more