Apple were the first to bring super high pixel density screens to mass production. They called them Retina displays. This technology is used on latest iPad, iPhone, Mac Book and others. Apple claims that Retina Display got high pixel density and human eye is able to notice the pixelation when viewed from a certain distance.
If the developer wants to make a Retina-ready WordPress theme, all he has to do is to prepare additional versions of the graphics at twice the size and do some CSS magic. Here are some creative free retina display ready wordpress themes with responsive design, check them all and choose one based on your requirement.
As of now, only a few are available and hope the count will increase in Future. This list includes theme for all purposes and hope you like them all. You may want to take a look at the following related articles: Creative Typography Illustrations, WordPress Themes for Fashion Blogs, WordPress Widgets for Profile and Matching Tattoo Designs.
1. Clean Retina
Clean Retina is a Simple, Clean and Responsive Retina Ready WordPress Theme which adapts automatically to your tablets and mobile devices. Along with the elegant design the theme is easily customizable with numerous theme options.

2. Blaze
Blaze, the very first free WordPress theme from DiabloThemes. This marks the first in a coming series of free themes for WordPress.

3. Novelty
Novelty – is clean and modern WordPress Portfolio & Blog Theme. With a responsive design it is easily usable with any device, without removing any content!

4. Attitude
Attitude is a Simple, Clean and Responsive Retina Ready WordPress Theme which adapts automatically to your tablets and mobile devices. Along with the elegant design the theme is easily customizable with numerous theme options.

5. Inkness Retina Ready WordPress Theme
Inkness is a beautiful and elegant free WordPress theme release from InkHive. This is a feature-rich theme loaded and jam-packed with awesomeness.

6. Flatty
A clean HTML5, responsive and retina-ready theme created using Bootstrap 3.0 and Font Awesome 4. Customizable layout with two columns (left or right), custom background and a theme options page.

7. Luminescence Lite
Luminescence Lite is a responsive and retina display ready blogging theme that is designed for a powerful blogging website offering a little old-school style with modern features and flexibility.

8. Sixteen – WordPress Theme
Sixteen is a Very Artistic theme suitable for most blogs. This theme has a grid layout on homepage to display latest posts.

9. BizStudio
BizStudio Lite is a Simple, Clean and Responsive Retina Ready Business and Portfolio WordPress Theme. It can be used for corporate as well as personal websites.

10. Vantage
Vantage is a next-generation multipurpose theme featuring strong integration with some amazing plugins.
