The iPhone 4 had a new design, but it didn't surprise us with its specs--it received the same A4 chip as the iPad. Following the same lines, I think the next iPhone will have the same dual-core A5 chip that debuted in the iPad 2.

I think we can probably look forward to a new camera--not only do that the next iPhone will have an 8MP camera, but Apple has a history of the with . To go with the new chip and camera, the next iPhone will also probably have 1GB of RAM--but Apple probably won't say much about this. After all, Apple doesn't usually spend a lot of time discussing specs.

Prediction #3: Hardware Isn't Everything

Rumor has it that the next iPhone will have , including expanded voice commands. The new voice commands--part of a feature reportedly called Assistant--are based on , the virtual assistant software maker that Apple acquired last year.

This system-wide voice navigation system could be a standout feature that's exclusive to the iPhone 5, and a big focus at next Tuesday's event. Apple did make voice commands exclusive to the iPhone 3GS in 2009, so requiring an iPhone 5 for expanded voice commands isn't without precedent.