What does it tell us about future iPad 4 in next year?

Since iPhone 5 comes out with a lot of impressive technology which it has fast new A6 chip, Lightning dock connector and some others, now what does it tell us about future iPad 4? Will iPad 4 have A6 chip or A6X chip? Here is our sample to show to compare between the past and future.

For iPad

1. First generation iPad- A4 chip
2. Second generation iPad 2- A5 chip
3 Third generation iPad 3- A5X
4. Fourth generation iPad- A6 or A6X

For iPhone

1. Fourth generation iPhone 4- A4 chip
2. Fifth generation iPhone 4S- A5 chip
3. Sixth generation iPhone 5- A6 chip
4. Seventh generation iPhone 5S- A7 chip