How much RAM is there in an an iOS (Iphone/iPad/iPod Touch) Device?
iPhone
- iPhone (June 2007): 128MB
- iPhone 3G (July 2008): 128MB
- iPhone 3GS (June 2009): 256MB
- iPhone 4 (June 2010): 512MB
- iPhone 4S (October 2011): 512MB
- iPhone 5 (September 2012): 1GB
- iPhone 5S (September 2013): 1GB
- iPhone 6 (September 2014): 1GB
- iPhone 6 Plus (September 2014): 1GB
- iPhone 6S (September 2015): 2GB
- iPhone 6S Plus (September 2015): 2GB
- iPhone 7 (September 2016): 2GB
- iPhone 7 Plus (September 2016): 3GB
iPod touch
- 1st generation (September 2007): 128MB
- 2nd generation (September 2008): 128MB
- 3rd generation (September 2009): 256MB
- 4th generation (September 2010): 256MB
- 5th generation (October 2012): 512MB
- 6th generation (July 2015): 1GB
iPad
- 1st generation (April 2010): 256MB
- iPad 2 (2011): 512MB
- 3rd generation (March 2012): 1GB
- 4th generation (November 2012): 1GB
- iPad Air (November 2013): 1GB
- iPad Air 2 (October 2014): 2GB
- iPad Pro 12.9" (November 2015): 4GB
- iPad Pro 9.7" (April 2016): 2GB
iPad mini
- 1st generation (November 2012): 512MB
- iPad mini 2 (November 2013): 1GB
- iPad mini 3 (October 2014): 1GB
- iPad mini 4 (September 2015): 2GB
Apple Watch
- 1st generation (April 2015): 512MB
Apple TV
- 2nd generation (2010): 256MB
- 3rd generation (2012): 512MB
- 4th generation (2015): 2GB
iOS doesn't use swap space, therefore, only RAM will be available to processes. (That said, iOS does support paging executables.)
Currently released Apple iOS devices have the following amounts of working memory:
iPhone = 128 MBiPhone 3G = 128 MBiPhone 3GS = 256 MBiPhone 4 = 512 MBiPhone 4S = 512 MB iPhone 5 = 1024 MBiPhone 5S = 1024 MBiPod Touch 1G = 128 MBiPod Touch 2G = 128 MBiPod Touch 3G = 256 MBiPod Touch 4G = 256 MBiPod Touch 5G = 512 MBiPad = 256 MBiPad 2 = 512 MBiPad (3) = 1024 MBiPad (4) = 1024 MBiPad Air = 1024 MBiPad mini (1G) = 512 MBiPad mini (2G) = 1024 MB
iPhone and iPod touch has 128 megs of ram, but 3rd party applications should only count on having about 20 megs available.