Apple A4

Apple A4
General information
LaunchedApril 3, 2010
DiscontinuedSeptember 10, 2013
Designed byApple Inc.
Common manufacturer(s)
Product codeS5L8930X[1]
Performance
Max. CPU clock rate800 MHz to 1 GHz
Cache
L1 cache32 KB instruction + 32 KB data[2]
L2 cache512 KB[2]
Architecture and classification
ApplicationMobile
Technology node45 nm
MicroarchitectureARM Cortex-A8
Instruction setARMv7-A
Physical specifications
Cores
  • 1
GPU(s)PowerVR SGX535[3]
History
Predecessor(s)Samsung S5L8920
Successor(s)Apple A5

The Apple A4 is a 32-bit package on package (PoP) system on a chip (SoC) designed by Apple Inc., part of the Apple silicon series, and manufactured by Samsung.[4][5] It was the first SoC Apple designed in-house. The first product to feature the A4 was the first-generation iPad, followed by the iPhone 4, fourth-generation iPod Touch, and second-generation Apple TV.[6]

The last operating system update Apple provided for a mobile device containing an A4 (iPhone 4) was iOS 7.1.2, which was released on June 30, 2014 as it was discontinued with the release of iOS 8 in September 2014. The last operating system update Apple provided for an Apple TV containing an A4 (second-generation Apple TV) was Apple TV Software 6.2.1, which was released on September 17, 2014.

  1. ^ "iOS 5.1 code hints at simultaneous A5X and A6 processor development". 27 February 2012. Archived from the original on 2012-05-02. Retrieved 2017-06-14.
  2. ^ a b Cheng, Jacqui (March 14, 2011). "Ars reviews the iPad 2: big performance gains in a slimmer package / The Apple A5". Ars Technica. Archived from the original on June 15, 2011. Retrieved July 13, 2011.
  3. ^ Klug, Brian; Lal Shimpi, Anand (June 30, 2010). "Apple's iPhone 4: Thoroughly Reviewed". AnandTech. Archived from the original on September 21, 2013. Retrieved September 20, 2013.
  4. ^ "Updated: Samsung fabs Apple A5 processor". EETimes.com. March 12, 2011. Archived from the original on 2013-05-09. Retrieved 2011-03-15. The company conducted a cross-section analysis of the chip that revealed details indicating Samsung made the chip in its 45nm process, the same process and fab Apple used for its previous generation A4 SoC.
  5. ^ Clark, Don (2010-04-05). "Apple iPad Taps Familiar Component Suppliers - WSJ.com". Online.wsj.com. Archived from the original on 2018-09-19. Retrieved 2010-04-15.
  6. ^ "Apple Launches iPad" (Press release). Apple. 2010-01-27. Archived from the original on 30 January 2010. Retrieved 2010-01-28.

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