Comparison of Adobe Photoshop Versions − What Are the Differences CS5.5 vs CS CS2 CS3 CS4 CS5 Posted on April 12, 2010April 22, 2012 By P U 12 Comments on Comparison of Adobe Photoshop Versions − What Are the Differences CS5.5 vs CS CS2 CS3 CS4 CS5 Comparisons of Photoshop versions – what new features are in each version of Photoshop? Make Photoshop Work