What could Apple do with 2GB of RAM in the iPhone?<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p><a href='
http://www.imore.com/imagining-iphone-2gb-ram' title="What could Apple do with 2GB of RAM in the iPhone?"><img src='
http://www.imore.com/sites/imore.com/files/styles/large_wm_blw/public/field/image/2014/10/iphone_6_geekbench_hero.jpg?itok=zQCp362f' />[/url]</p> <p>iOS has always been incredibly efficient when it comes to its use of random access memory (RAM). It's what makes cross-platform spec comparisons so much more than just a numbers game. Apple gets to write their own native code directly for their own hardware. There's also no garbage collection to account for, no third-party skins to prop up, and no interpreters running between the apps and the metal. It lets Apple get away with 1GB of RAM in the
iPhone 6 and
iPhone 6 Plus. But it also makes me wonder — what could they do with 2GB?<!--break--></p> <p>Apple has always been conservative when it's come to RAM. Part of it might be cost at scale, but part of it might also be balancing resources and power demands, not to mention fitting the chips onto the dies and into the super-thin casing while keeping everything within thermal tolerance levels.</p> <p>In 2007, the original iPhone shipped with 128MB of RAM. It supported multiple browser tabs and first-party multitasking, but didn't have to juggle any App Store apps. In 2009, the iPhone 3GS doubled the RAM to 256MB. It had App Store apps but didn't allow them to run any background processes. In 2010, the iPhone 4 doubled RAM again to 512MB. It allowed for limited background processes like streaming audio, location, and VoIP. In 2012, the iPhone 5 doubled RAM yet again to 1GB. By then background processes had begun to open up as well. And... then it stopped. 2014 and the iPhone 6 line came and went with nary a RAM doubling in sight.</p> <p>Not so the iPad. Originally matching the 2010 iPhone with 512MB of RAM, and the 2012 iPhone with 1GB of RAM, in 2014 the iPad Air 2 didn't stop. It doubled once again to 2GB of RAM.</p> <p>I've joked previously that the iPhone 6 Plus is as much tiny iPad as it is big iPhone, but it's really not a joke. It doesn't have the same custom, octo-core graphics processing unit (GPU) — the one that puts the X in the Apple A8X — as the iPad Air 2, but it does have the same 64-bit architecture and almost as many pixels to push around — 2,742,336 internally (down-sampled to 2,073,600 on the display) compared to 3,145,728 for the iPads.</p> <p>2GB of RAM allows the iPad Air 2 to keep multiple browser tabs open with ease and multiple apps in memory with aplomb. Yet iOS does a lot to conceal the difference. Everything from background refresh to the new extensibility system makes apps feel feel like they were awake even when they weren't, and brings enough functionality to you that you don't need to go jumping around as much to find it.</p> <p>The iPhone 6 Plus is also so fast that, as long as they properly preserve state, when apps do relaunch it's fairly quick. Likewise, as long as the network connection is strong, the browser renders so quickly more tabs reload in the blink of an eye. Problems arise when apps
don't properly preserve state — looking at you,
Instagram! — or network connections
aren't consistently strong — insert carrier gag of your choice.</p> <p>So, yes, having 2GB of RAM on the iPhone would be nice for that reason alone. But what about for other reasons? Every previous increase in RAM has come not just with an increase in pixel count but with an increase in app functionality. In the span of 7 years we've gone from no third party multitasking to universal, just-in time multitasking. What more could there be?</p> <p>There are rumors of multi-window apps and drag and drop data in iOS' future, and while intriguing, it's also just a starting point. As phones become primary computing devices, they have not only the potential but the need to do so much more, and in ways that only minimally involve the numbers on the specs.</p> </div></div></div><div id="comment-wrapper-nid-29462"></div><img width='1' height='1' src='
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What could Apple do with 2GB of RAM in the iPhone?
