iPhone 4 vs iPhone 3GS

June 8, 2010 from engadget.com

Apple's claiming that the iPhone 4 represents the platform's biggest advance since the original model's intro back in 2007 -- but does the argument hold water? Follow the break for a comprehensive rundown of the key differences between the newest member of the iPhone model and last year's king of the hill, the 3GS!

As you can see the iPhone 4 appears to be slightly smaller but heavier (2 grams), then more powerful processor, display all improved, second camera, camera back more powerful and numerous other features that make it a much better smart phone.