The phrase "high pixel" refers to the quality and resolution of an image or display. It means that the image has a large number of tiny dots called pixels, which makes it clearer, sharper, and more detailed. Full definition
With high pixel density devices flavour of the month, it is unlikely that many more devices of this resolution will be made. (trustedreviews.com)
The 10.1 inch display will have a resolution of 1280 x 800 pixels, which isn't so impressive in this age of high pixel counts. (goodereader.com)
For a camera to yield great results, it is not important to have insanely higher pixel resolution but rather good post processing and aperture number to some extent. (phoneradar.com)