iFixit has torn down the fifth-generation iPod touch, and confirmed that the device contains 512 MB of RAM — just as reported by Geekbench testing, and the same as the iPhone 4/4S, but more than the 256MB of RAM found in the previous generation iPod touch. Apple’s A5 processor and 32 GB of NAND flash from Toshiba were also found in the new iPod touch. The device’s display is claimed to be “a much simpler, cheaper design”…