iPhone 17's 8GB Limit Costs It These Two Siri AI Features in iOS 27 - MacRumors

Apple's upcoming iOS 27 update introduces advanced Siri AI features that require 12GB of unified memory, excluding the base iPhone 17 model. While standard users will still receive core AI functionality, they will miss out on enhanced voice expressiveness and improved systemwide dictation accuracy.
Why it matters
This hardware-software segmentation highlights Apple's strategy of using AI capabilities to drive hardware upgrades and differentiates the user experience between base and pro-tier devices.
Apple this week revealed what its most advanced on-device AI model does, and the feature list is shorter than the hardware requirements might suggest.
The report provides a technical breakdown of product specifications and feature availability without editorializing.
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