Apple set to build 30M iPhone 5 units with 512MB RAM, improved antenna
Even with an improved antenna design, Apple's next-generation iPhone is expected to look largely the same as the current iPhone 4, and it will also feature the same amount of RAM: 512MB.
http://feeds.appleinsider.com/click.phdo?i=a7b1cec5b0ada6f46c73c809c504d7e9