Apple's Macroscalar Architecture: Will it Take iOS to the Next Level?
The general consensus in the market today is that Apple's upcoming A6 quad core processor is to bring more performance to the 2012 iPad and iPhone. It's said that it will also preserve battery life due to a shift from a 40-nanometer to a 28-nanometer process.
Context & Ripple Effects
Apple's in-house silicon began life as an iPad part: PC World reported back in January 2010 that the A4 could find a home in iPhones, and it did. Two years on, Patently Apple's reading of the Macroscalar patent filings feeds the market consensus that the next A6 arrives quad-core on a 28nm process — though both the core count and the node shrink remain rumor, not announcement.
The stakes are concrete: NPD's Q4 2011 figures confirm Apple leapt past Samsung and LG to become the best-selling U.S. handset brand, so whatever silicon powers the 2012 iPad and iPhone sets the benchmark its largest rival has to answer. The story's pickup across MacRumors, Electronista, RazorianFly and O'Grady's PowerPage shows how tightly the rumor cycle is wound ahead of the expected spring refresh.
First-order effects
- If the rumored quad-core, 28nm A6 ships in the 2012 iPad and iPhone, buyers get a performance step-up with battery life preserved by the smaller process — but until Apple confirms it, this is market consensus rather than product.
- Spec pressure lands immediately on Samsung, which NPD data show Apple just overtook atop the U.S. handset market, making the A6's eventual specs the number its Galaxy flagships will be measured against.
Second-order effects
- A credible quad-core claim forces Samsung and other Android handset makers to match core counts on paper to stay competitive in 2012 flagship comparisons, turning processor specs into a headline arms race.
- A shift to 28nm concentrates demand on whichever foundries hold capacity at that node, tightening supply for every vendor chasing the same shrink in the same year.
Third-order effects
- The arc from the 2010 A4 through a rumored A6 points toward vertically integrated chip design becoming table stakes for premium smartphones, with each process-node transition treated as a competitive event.
- If Macroscalar-style vector techniques ever surface in shipping silicon, custom architectural extensions — not raw core counts — become the durable differentiator in mobile processors.
The trend: Smartphone differentiation is migrating toward in-house system-on-chip design, where each process-node shrink and custom architecture becomes a competitive weapon.