Internally, the same RSX GPU drives the newest model PS3, and the 45nm Cell processor from the Slim returns.

ENGADGET: PlayStation 3 Slim review (late 2012): is the third time a charm?

According to Intel, Apple has apparently committed to using the company's 45nm Silverthorne chip in multiple products slated for 2008.

ENGADGET: Apple prepping devices based on Intel's Silverthorne chip

Because AnandTech discovered that Apple switched to smaller 32nm transistors, compared to the 45nm chips it used in previous runs of the iPad 2.

ENGADGET: Primed: why nanometers matter (and why they often don't)

The iPad 2 got a chip update last year, for example, which significantly extended its battery life by using a 32nm A5 SoC instead of a 45nm one.

ENGADGET: Latest Apple TV reveals smaller A5 chip, adds to rumors of split with Samsung

Apparently, unlike the massive shift from the PS2 to PS3, the eventually PS4 will be a decidedly smaller leap, with it relying on a slightly speedier (and, likely, 45nm) Cell processor but not a completely new architecture.

ENGADGET: Sony said to be hanging onto Cell processor for PlayStation 4