The similarities about Lightroom and Photoshop they are both digital photography editing programs. Also, have similar controls and editing options in both programs. lastly, Photoshop and lightroom use ACR processing engine to handle RAW file.

The different about Lightroom and Photoshop is that Lightroom is focused on organizing and processing photos. while Photoshop ventures into image manipulation and creation. lastly, Photoshop is the best choice for images where you want pixel-level perfection.