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Inside Apple’s A7: dual-core CPU, quad-core GPU, Secure Enclave has 3MB SRAM

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A7 floorplan (Chipworks 001)

Following their initial analysis of the iPhone 5s’s innards, silicon experts at Chipworks have now taken a closer look at the handset’s 64-bit A7 processor to reveal a number of interesting tidbits in their initial low-level chip analysis. Based on transistor-level images of the Apple-designed, Samsung-built package, Chipworks was able to determine that the A7 consists of a dual-core processing core and quad-core graphics, tentatively identified as the four cluster version of Imagination Technologies’s PowerVR Series 6, the G6430.

Apple, along with Intel, is of course an investor with a ten percent stake in Imagination Technologies, the UK-based fabless semiconductor maker. Chipworks also focused on a portion of the A7 chip called Secure Enclave where Apple says fingerprint profile is stored securely and walled off from the entire system, except the Touch ID circuitry…... Read the rest of this post here


"Inside Apple’s A7: dual-core CPU, quad-core GPU, Secure Enclave has 3MB SRAM" is an article by iDownloadBlog.com.
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