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The clock rate of the Cortex-A9 in the A5 used inside the iPad 2 and first-generation iPad Mini is 1 GHz. The A5 also directly integrates Audience earSmart technology for removing surrounding background noise and secondary voices during phone calls. The A5 integrates an image signal processor unit (ISP) that can perform advanced image post-processing, such as face detection, white balance, and automatic image stabilization.
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The A5 chip features a dual-core 45 nm Cortex-A9 CPU (shrunk to 32 nm in later versions of the chip) including the Advanced SIMD (Neon) extension, and a dual-core 32 nm PowerVR SGX543MP2 GPU.
APPLE KEYPAD FOR IPAD A9 UPDATE
The latest operating system update Apple has provided for an Apple TV containing an A5 ( third-generation Apple TV and third-generation Rev A Apple TV) was Apple TV Software 7.6.2, which was released on December 14, 2020. The last operating system update Apple provided for a mobile device containing an A5 (iPad 2 CDMA, iPhone 4S, and first-generation iPad Mini cellular models) was iOS 9.3.6, which was released on July 22, 2019. Apple also claimed that the A5 uses the same amount of power as the A4. Apple claimed during their media event on Mathat the ARM Cortex-A9 central processing unit (CPU) in the A5 is up to two times faster than the CPU in the Apple A4, and the PowerVR SGX543MP2 graphics processing unit (GPU) in the A5 is up to nine times faster than the GPU in the A4. The first product Apple featured an A5 in was the iPad 2. The Apple A5 is a 32-bit system on a chip (SoC) designed by Apple Inc.