Are you thinking about adding a comparison chart to your product detail page? While comparison charts can provide a helpful visual guide to your product's features, they have to be done right. Before creating a comparison chart (or a product matrix that compares different versions of the same product) it's important to spend some time thinking about the content and the design.
Here's an example of a comparison chart for Philips AVENT baby monitors that I think does a splendid job of providing useful information via a user-friendly design (click for full-size image):
The bottom line: Successful comparison charts always improve the consumer experience.
View the full version of the Philips AVENT comparison chart on the product page.