Though the new A5X chip in Apple's third-generation iPad features the same dual-core CPU found in its predecessor, the system-on-a-chip is still believed to double the onboard RAM to 1 gigabyte.



From AppleInsider:

Apple has never announced the amount of RAM built into any iPad or iPhone, preferring to focus less on technical specifications and more on the abilities of a device, and this week's new iPad unveiling was no different. But a source who spoke with The Verge said the new A5X processor found in the latest iPad will, in fact, feature a gigabyte of RAM.

That's twice that of the iPad 2 released last year, powered by the custom-built A5 processor. It's also double that of the iPhone 4S released late last year, which also features the A5.

  A5X chip in Apple's new iPad doubles RAM to 1GB - report