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The '''Apple A5''' and '''A5X''' are [[system-on-a-chip]]s (SoCs) designed by [[Apple Inc.]] and fabricated by [[Samsung]]<ref>{{cite web| url= http://www.eetimes.com/electronics-news/4213981/Samsung-fabs-Apple-A5-processor |title= Updated: Samsung fabs Apple A5 processor | date= March 12, 2011 | publisher= EETimes.com| accessdate=March 15, 2011}}</ref><ref>{{cite web| url=http://www.guardian.co.uk/technology/2011/dec/16/apple-a5-chip-made-by-samsung
The '''Apple A5''' and '''A5X''' is a [[system-on-a-chip]] (SoC) designed by [[Apple Inc.]] and fabricated by [[Samsung]]<ref>{{cite web| url= http://www.eetimes.com/electronics-news/4213981/Samsung-fabs-Apple-A5-processor |title= Updated: Samsung fabs Apple A5 processor | date= March 12, 2011 | publisher= EETimes.com| accessdate=March 15, 2011}}</ref><ref>{{cite web| url=http://www.guardian.co.uk/technology/2011/dec/16/apple-a5-chip-made-by-samsung
| title=Apple's A5 chip is built by Samsung| date=December 16, 2011 | publisher=theguardian | accessdate=January 29, 2012}} "The powerful A5 processor, which uses technology licensed from Britain's ARM Holdings, is designed by Apple in California, by a team formerly part of PA Semi – an American chip design company that Apple bought in April 2008."</ref><ref>{{cite web|title=iPad 3: A5X Processor Manufactured by Samsung and The Retina Display|url=http://techgratuity.com/ipad-3-a5x-processor-manufactured-by-samsung-and-the-retina-display}}</ref> to replace the [[Apple A4]].<ref name="whatisa5x">{{cite|title=What is the Apple A5X Processor?|url=http://www.theipadguide.com/content/what-apple-a5x-processor/71712249|work=The iPad Guide|author=Straker, Fred|date=February 22, 2012|accessdate=May 3, 2012}}</ref><ref>{{cite web|title=Apple A6 chip trial production begins|url=http://www.techradar.com/news/mobile-computing/tablets/apple-a6-chip-trial-production-begins-992019}}</ref><ref>{{cite web|title=iPad 3 Apple A5X chipset reportedly leaked|url=http://www.slashgear.com/ipad-3-apple-a5x-chipset-reportedly-leaked-20214335/}}</ref><ref>{{cite web|title=Apple's 'iPad 3' rumored to have Siri, dual-core A5X chip, 1080p camera|url=http://www.appleinsider.com/articles/12/02/21/apples_ipad_3_rumored_to_have_siri_dual_core_a5x_chip_1080p_camera.html}}</ref> The chip commercially debuted with the release of Apple's [[iPad 2]] tablet, and also powers the [[iPhone 4S]] and 3rd generation [[iPad (3rd generation)|iPad]]. (This is consistent with how Apple debuted the A4 chip: first in the original iPad, followed by the iPhone 4, and then the iPod touch 4th generation.)<ref>{{cite web |url=http://www.macworld.co.uk/ipod-itunes/news/index.cfm?newsid=3264638 |title=iPhone 5 expected to have same A5 chip as iPad 2 |publisher=Macworld |date=March 11, 2011 |accessdate=September 17, 2011}}</ref>
| title=Apple's A5 chip is built by Samsung| date=December 16, 2011 | publisher=theguardian | accessdate=January 29, 2012}} "The powerful A5 processor, which uses technology licensed from Britain's ARM Holdings, is designed by Apple in California, by a team formerly part of PA Semi – an American chip design company that Apple bought in April 2008."</ref><ref>{{cite web|title=iPad 3: A5X Processor Manufactured by Samsung and The Retina Display|url=http://techgratuity.com/ipad-3-a5x-processor-manufactured-by-samsung-and-the-retina-display}}</ref> to replace the [[Apple A4]].<ref name="whatisa5x">{{cite|title=What is the Apple A5X Processor?|url=http://www.theipadguide.com/content/what-apple-a5x-processor/71712249|work=The iPad Guide|author=Straker, Fred|date=February 22, 2012|accessdate=May 3, 2012}}</ref><ref>{{cite web|title=Apple A6 chip trial production begins|url=http://www.techradar.com/news/mobile-computing/tablets/apple-a6-chip-trial-production-begins-992019}}</ref><ref>{{cite web|title=iPad 3 Apple A5X chipset reportedly leaked|url=http://www.slashgear.com/ipad-3-apple-a5x-chipset-reportedly-leaked-20214335/}}</ref><ref>{{cite web|title=Apple's 'iPad 3' rumored to have Siri, dual-core A5X chip, 1080p camera|url=http://www.appleinsider.com/articles/12/02/21/apples_ipad_3_rumored_to_have_siri_dual_core_a5x_chip_1080p_camera.html}}</ref> The chip commercially debuted with the release of Apple's [[iPad 2]] tablet, and also powers the [[iPhone 4S]] and 3rd generation [[iPad (3rd generation)|iPad]]. (This is consistent with how Apple debuted the A4 chip: first in the original iPad, followed by the iPhone 4, and then the iPod touch 4th generation.)<ref>{{cite web |url=http://www.macworld.co.uk/ipod-itunes/news/index.cfm?newsid=3264638 |title=iPhone 5 expected to have same A5 chip as iPad 2 |publisher=Macworld |date=March 11, 2011 |accessdate=September 17, 2011}}</ref>


Revision as of 04:49, 12 May 2012

Apple A5/A5X
The newest A5X chip
General information
LaunchedMarch 2011 (A5) & March 2012 (A5X)
DiscontinuedPresent
Designed byApple Inc.
Common manufacturer
Product codeS5L8940X (A5)
S5L8945X (A5X)[1]
Performance
Max. CPU clock rate800 MHz  to 1 GHz 
Cache
L1 cache32 KiB instruction + 32 KiB data
L2 cache1 MiB
Architecture and classification
Technology node45 nm to 32 nm
Instruction setARM v7
Physical specifications
Cores
  • 1 or 2
Products, models, variants
Variant
  • * Apple A5 (S5L8940, 45 nm)
    • Apple A5 (S5L8942, 32 nm)
    • Apple A5X (quad-core graphics, S5L8945, 45 nm)
History
PredecessorApple A4

The Apple A5 and A5X is a system-on-a-chip (SoC) designed by Apple Inc. and fabricated by Samsung[2][3][4] to replace the Apple A4.[1][5][6][7] The chip commercially debuted with the release of Apple's iPad 2 tablet, and also powers the iPhone 4S and 3rd generation iPad. (This is consistent with how Apple debuted the A4 chip: first in the original iPad, followed by the iPhone 4, and then the iPod touch 4th generation.)[8]

The part model numbers are: S5L8940 (A5)[9], S5L8942 (32 nm version) and S5L8945 (A5X).[1]

Design

The A5 contains a rendition of a chip based upon the dual-core ARM Cortex-A9 MPCore CPU[10] with NEON SIMD accelerator and a dual core PowerVR SGX543MP2 GPU.[11] Apple lists the A5 to be clocked at 1 GHz on the iPad 2's technical specifications page,[12] though it can dynamically adjust its frequency to save battery life.[13][10] Among the customizations that Apple has done to the chip is including an image signal processor unit (ISP) that will do advanced image post-processing such as face detection, white balance and automatic image stabilization[14] and an "earSmart" unit from Audience for noise canceling.[15]

Apple states that the CPU is twice as powerful as the original iPad. And the GPU up to seven times as powerful as its predecessor, the Apple A4. The A5 package contains 512 MiB of low-power DDR2 RAM clocked at 533 MHz.[16][17][18][19] The A5 is estimated to cost 75% more than its predecessor; the price difference is expected to diminish as production increases.[20]

As of December 2011, the A5 is manufactured at Samsung's Austin, Texas factory. Samsung invested $3.6 billion in a facility to produce chips other than memory chips (i.e. processors) in Austin and nearly all of that wing's output is dedicated to Apple components.[21]

Apple A5 (S5L8940)

Apple A5 chip

Apple uses the first version A5 chip in the iPhone 4S and iPad 2.[22] Its manufacturing process is 45 nm having 122.2 mm2 of die area[23] and manufactured in a package on package (PoP) together with RAM.

Apple A5 (S5L8942)

Apple uses a second version of the A5 chip in the third-generation Apple TV and the new iPad 2, both announced on March 7, 2012.[24] This chip is manufactured with a 32 nm fabrication process, with ID code S5L8942 and it has one core disabled in the Apple TV.[25] The new A5 measures nearly 41% smaller than 1st generation A5, coming in at 69.6 mm² [26] and manufactured in a package on package (PoP) together with RAM.

Apple A5X (S5L8945)

Apple A5X chip

Apple announced the A5X chip for the iPad (3rd generation) on March 7, 2012. It features a dual-core CPU at 1 GHz[27] and a quad-core PowerVR SGX543MP4 GPU,[28] it is not packaged together with the RAM. Lithography remains at 45 nm.[29] The silicon die size has increased drastically compared to the A5 at 165 mm2, 310% larger than the 53.3 mm2 die area of the original A4.[30]

Products that include the Apple A5

See also

  • Apple Ax, the series of ARM based system-on-a-chip (SoC) processors designed by Apple for their consumer electronic devices.
  • PWRficient, a processor designed by P.A. Semi, a company Apple acquired to form an in-house custom chip design department.
  • PowerVR SGX GPUs were also used in the iPhone 3GS and the third-generation iPod touch.

References

  1. ^ a b c Straker, Fred (February 22, 2012), "What is the Apple A5X Processor?", The iPad Guide, retrieved May 3, 2012
  2. ^ "Updated: Samsung fabs Apple A5 processor". EETimes.com. March 12, 2011. Retrieved March 15, 2011.
  3. ^ "Apple's A5 chip is built by Samsung". theguardian. December 16, 2011. Retrieved January 29, 2012. "The powerful A5 processor, which uses technology licensed from Britain's ARM Holdings, is designed by Apple in California, by a team formerly part of PA Semi – an American chip design company that Apple bought in April 2008."
  4. ^ "iPad 3: A5X Processor Manufactured by Samsung and The Retina Display".
  5. ^ "Apple A6 chip trial production begins".
  6. ^ "iPad 3 Apple A5X chipset reportedly leaked".
  7. ^ "Apple's 'iPad 3' rumored to have Siri, dual-core A5X chip, 1080p camera".
  8. ^ "iPhone 5 expected to have same A5 chip as iPad 2". Macworld. March 11, 2011. Retrieved September 17, 2011.
  9. ^ Foresman, Chris (February 27, 2012), iOS 5.1 code hints at simultaneous A5X and A6 processor development, Arstechnica.com, retrieved March 26, 2012
  10. ^ a b "Apple iPad 2 Preview". AnandTech. March 12, 2011. Retrieved September 17, 2011.
  11. ^ "Apple iPad 2 GPU Performance Explored: PowerVR SGX543MP2 Benchmarked". AnandTech. March 12, 2011. Retrieved September 17, 2011.
  12. ^ "iPad – View the technical specifications for iPad". Apple. Retrieved March 15, 2011.
  13. ^ "Inside Apple's iPad 2 A5: fast LPDDR2 RAM, costs 66% more than Tegra 2". AppleInsider. Retrieved March 15, 2011.
  14. ^ "Apple Announces iPhone 4S: A5, 8 MP Camera, 1080p Video Recording". October 4, 2011. Retrieved October 9, 2011.
  15. ^ "Why Apple's A5 is so big—and iPhone 4 won't get Siri". August 4, 2012. Retrieved February 6, 2012.
  16. ^ "Apple iPad 2 feature page". Apple.com. Retrieved March 15, 2011.
  17. ^ "Apple's A5 CPU in iPad 2 has 512MB of RAM, same as iPhone 4". Appleinsider.com. March 3, 2011. Retrieved March 15, 2011.
  18. ^ "TiPb Answers: Apple A5 chip – what we know and what we guess". Tipb.com. March 3, 2011. Retrieved March 15, 2011.
  19. ^ "The iPad 2 – Daring Fireball". Daringfireball.net. March 9, 2011. Retrieved March 15, 2011.
  20. ^ Pascal-Emmanuel Gobry (March 14, 2011). "It Costs $326.60 To Make An iPad 2 – Why That Matters". Business Insider, Inc. Retrieved March 14, 2011.
  21. ^ Gupta, Poornima (December 16, 2011). "Exclusive: Made in Texas: Apple's A5 iPhone chip". Reuters. Retrieved December 16, 2011.
  22. ^ "iPhone 4S CPU Clocked At 800MHz Is 73% Faster Than iPhone 4, Twice As Fast As Galaxy S II, And All Other Android Phones". Redmond Pie. October 11, 2011. Retrieved March 7, 2012.
  23. ^ "A First Look at Apple's A5 Processor".
  24. ^ "Apple TV – Technical Specifications". Apple. March 7, 2012. Retrieved March 7, 2012.
  25. ^ "Update – 32-nm Apple A5 in the Apple TV 3 – and an iPad 2!". Chipworks. April 11, 2012. Retrieved April 12, 2012.
  26. ^ "Update – 32-nm Apple A5 in the Apple TV 3 – and an iPad 2!".
  27. ^ "iFixit 3rd generation iPad teardown". Retrieved March 15, 2012.
  28. ^ "Technical Specifications". Apple. March 7, 2012. Retrieved March 7, 2012.
  29. ^ The New iPad: A Closer Look Inside » Recent Teardowns, Chipworks, March 16, 2012, retrieved March 26, 2012
  30. ^ "Chipworks: The Apple A5X versus the A5 and A4 – Big is Beautiful". Retrieved March 22, 2012.

External links

Retrieved from "https://en.wikipedia.org/w/index.php?title=Apple_A5&oldid=492151149"