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Revision as of 18:32, 13 February 2010
| File:Ipad-a4.jpg | |
| General information | |
|---|---|
| Launched | April 2010 |
| Designed by | Apple Inc. |
| Performance | |
| Max. CPU clock rate | 1 GHz |
| Architecture and classification | |
| Instruction set | ARM6 |
| Physical specifications | |
| Cores |
|
The Apple A4 is a system-on-a-chip (SoC) designed by Apple and first used in the iPad tablet computer.[1] The first version released runs at 1 GHz and has an integrated graphics processor (GPU).[1][2] It was announced on January 27, 2010, during Apple's "Latest Creation" event.[1]
Similar devices
Other SoCs with similar applications such as tablet computers, portable media players, in car entertainment systems and smartphones.
ARM architecture based platforms
- Qualcomm's Snapdragon – Up to 1.5 GHz dual-core ARM Scorpion processor + Imageon GPU
- Nvidia's Tegra 2 – 1 GHz dual-core ARM Cortex-A9 MPCore processor + Nvidia GoForce GPU
- Freescale's i.MX51 – 800 MHz single-core ARM Cortex-A8 processor + 3D accelerating GPU
- Marvell's Armada 500/600 – Up to 1.2 GHz single-core ARM Sheeva processor + Vivante GC-series GPU
- ST-Ericsson's DB8500 – 1 GHz dual-core ARM Cortex-A9 MPCore processor + Mali-400 GPU
- Texas Instruments' OMAP4 – 1 GHz dual-core ARM Cortex-A9 MPCore processor + PowerVR SGX 540 GPU
x86 architecture based platforms
- Intel's Atom N450 – 1.66 GHz single-core x86 Atom Pineview processor + Intel GMA 3150 GPU
See also
- PWRficient, a processor designed by P.A. Semi, a company Apple bought to form an in-house custom chip design department.
- PowerVR SGX GPUs are used in the iPhone 3GS and 3rd generation iPod Touch.
References
- ^ a b c "Apple Launches iPad" (Press release). Apple. January 27, 2010. Retrieved 2010-01-28.
- ^ "iPad — Technical specifications and accessories for iPad". Apple. Retrieved 2010-01-28.
External links
- MacWorld – Apple inside: the significance of the iPad's A4 chip
- CNET – Inside the iPad: Apple's new 'A4' chip
- HotHardware – iPad's Identity Crisis and Apple's A4 CPU Showstopper
- PowerVR GPU specifications pages
- Understanding iPad’s A4 Processor
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