The A12z has more Processor Cores and Graphics Cores. Even though it’s Called the A14, it’s not better than our A12z. Energy Efficiency might be a bit better due to the 5nm Design compared to the A12z’s 7nm Design. The A12z is Plenty Fast, though. I also think it has a Higher Clock Speed than the A14, but we’ll have to wait and see.
Here’s what I’ve gathered so far:
A12z:
7nm Process
8 Processing Cores>4 High Efficiency>4 Performance
8 Graphics Cores
Max Clock speed of 2.49GHz
A14:
5nm Process
6 Processing Cores>3 High Efficiency?>3 Performance?
4 Graphics Cores
Max Clock Speed of 2.??GHz