Why the iPhone 4S Only Has 512MB of RAMAdrian Covert10/14/11 8:40amFiled to: gutsIphone 4siPhoneAppleTop2871EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkWe'll probably never hear an official justification for why Apple only put 512MB of RAM in the iPhone 4S. But you know what? They don't need one. Because you'll hardly be able to tell. Here's why.