Shooting RAW vs JPEG is a question that every photographer faces at some point. There are many articles out there that cover the topic from the basics of size and quality, to all of the advanced technical details regarding color bits per channel, compression, firmware DCT processing, etc.
So, here is the disclaimer, if you want the technical details regarding RAW vs JPEGs, Digital Photography School has a great technical primer discussing the basic technical differences, a brief Google search will also unearth loads of additional more in depth technical resources as well.
This article is designed to teach you the differences between RAW and JPEG (JPG) from a pragmatic real world point of view. Thus, we will be using a lot of actual image examples to help show the exact concrete differences. In addition, we are going to leave out most of the technical mumbo jumbo that won’t really help you beyond being exceptionally proficient at speaking “nerd.” [read]