Accidental Tech Podcast
Accidental Tech Podcast

1: iPhone Plus

Speculation on what a bigger iPhone's screen might be and why.

Featured Speakers

Marco Arment, Casey Liss, John Siracusa Host

Topics Discussed

Episode Summary

Executive Summary: The conversation centers on Apple’s chip and product strategy, especially rumors that an A5X die shrink could power the Apple TV and/or a Retina iPad mini, while an A6X is preferred for the mini. The speakers debate Apple’s binning, margin management, screen-size tradeoffs, and whether Apple is shifting to a faster release cadence for iPhone and iPad models, including speculation about a larger iPhone aimed at older users.

Main Topics: A5X vs. A6X for Apple TV and Retina iPad mini: The speakers argue over whether Apple would reuse A5X silicon in the Apple TV or reserve it for a Retina iPad mini, with one preferring A6X for the mini and another seeing A5X reuse as likely due to cost and binning. Binned chips and die-shrink economics: They discuss Apple using chips with GPU cores burned out or otherwise binned to salvage large numbers of imperfect dies, especially for lower-end or low-demand products like Apple TV. Margins, pricing, and the 128GB iPad strategy: The conversation speculates that Apple introduced 128GB iPad capacity to boost margins after criticism, and that high-capacity models may temporarily support profitability before storage tiers are simplified. Apple’s release cadence and product refresh rhythm: The speakers consider whether Apple is moving toward more frequent updates—possibly twice yearly or every six to eight months—especially for iPhone/iPad, to stay competitive against rapidly iterating Android devices. Screen size, DPI, and a possible larger iPhone: They debate a larger iPhone model—around 4.5 inches or more—arguing it could appeal to older users, improve usability, and still maintain acceptable pixel density despite lower DPI than current iPhones. Display manufacturing, supplier rebidding, and yield efficiency: The discussion touches on Apple’s display sourcing strategy, including multi-supplier bidding, IGZO-related manufacturing, and the possibility that standardizing sizes/DPI could improve yields and simplify production.

Key Arguments: Apple may reuse A5X chips in low-end products like Apple TV because excess/binned dies can be repurposed cheaply. A5X is a poor choice for CPU-bound iPad development because it adds GPU power without improving CPU performance. A Retina iPad mini is more likely to get A6X than A5X, because Apple would want a better balance of CPU and GPU performance. Apple’s 128GB iPad model likely serves margin expansion and high-end segmentation rather than pure consumer demand. Apple may be moving to a faster product cadence to avoid shipping stale hardware against newer Android competitors. A larger iPhone could be positioned for older users and those who want bigger UI targets, better readability, and a larger battery. Apple does not necessarily care about criticism over a 264-DPI large iPhone if the product sells and the pixels remain effectively invisible at normal viewing distance. Apple’s display and chip suppliers are likely chosen through aggressive rebidding to maximize cost and availability, even if it creates supply risk.

Data Points: Apple TV resolution: 1080p - Used to argue that the Apple TV would not need the full GPU capability of an A5X. GPU cores in A5X discussion: 4 cores - Speakers refer to four GPU cores and suggest some could be intentionally disabled for Apple TV. Estimated Apple product cycle shift: 6–8 months or twice a year - Speculation that Apple may be moving toward more frequent iPhone/iPad refreshes. iPad 3 product window: about 7 months - Referenced as an example of Apple releasing a new iPad relatively soon after the iPad 3. 128GB iPad capacity: 128 gigabytes - Discussed as a high-margin configuration and a likely temporary top storage tier. Likely larger iPhone size: about 4.5 inches - One speaker argues Apple should offer a bigger model, possibly around this size. Another size estimate: 4.65 inches - Mentioned as an upper bound the speaker could imagine Apple adopting for a larger iPhone/iPad Plus-like device. Mockup result: about 4.8 inches diagonally - A quick Photoshop/iPad mock-up is used to estimate the size of a proposed larger device. DPI comparison: 264 vs. 312 - The speakers compare Retina iPad and iPhone pixel densities while debating a larger phone display.

Pivotal Quotes: ""That's going into the Retina iPad Mini, of course."" — Speaker 1: Used while revising the chip rumor and debating where the A5X die shrink would land. ""I think they just need to decide how much bigger than 4-inch do you want it and just make the screen that big."" — Speaker 2: Summarizes the argument that Apple could simply scale up the iPhone rather than overcomplicate DPI theory. ""It will still... it’s supposed to be the old people phone."" — Speaker 1: Explains the case for a larger iPhone aimed at readability and usability for older users.

Implications: The discussion suggests Apple may be optimizing by reusing silicon, pushing high-margin storage tiers, and experimenting with larger or more frequent-refresh devices. If true, it points to a more aggressive, segmented hardware strategy aimed at balancing cost, margins, and competitive pressure.

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