What is the Difference Between Apple A7 and A8 Processors?

The Apple A7 and A8 processors are both 64-bit ARM-based chips used in Apple devices. They have some differences in terms of performance, technology, and features. Here are the main differences between the two processors:

1. CPU Cores and Base Frequency: The Apple A7 has 2 cores with 2 threads and a maximum frequency of 1.40 GHz, while the Apple A8 has 2 cores with 2 threads and a maximum frequency of 1.50 GHz.
2. Semiconductor Size: The Apple A8 has an 8nm smaller semiconductor size compared to the Apple A7, which has a 28nm semiconductor size.
3. Integrated LTE: The Apple A8 processor has integrated LTE, which is not present in the Apple A7.
4. Performance: According to Apple, the A8 processor has a 25% performance improvement over the A7. This can be attributed to the higher clock speed, smaller semiconductor size, and integrated LTE.

In summary, the Apple A8 processor is an improvement over the A7 in terms of performance, technology, and features. It has a higher clock speed, smaller semiconductor size, integrated LTE, and better overall performance.

Comparative Table: Apple A7 vs A8 Processors

Here is a table comparing the Apple A7 and A8 processors:

The Apple A8 processor has a smaller die size, higher transistor count, and an enhanced micro-architecture compared to the Apple A7 processor. The A8 is also more energy-efficient, with Apple claiming it to be 50% more energy-efficient than the A7. In terms of performance, the A8 is significantly faster, with a 7.69% faster CPU speed. Both processors use ARMv8-A architecture and have 2 CPU cores.