What Actually Changed in Apple Intelligence: iPhone 18 Pro, Pro Max, and Duo

Apple shipped three new iPhones at once yesterday — iPhone 18 Pro, iPhone 18 Pro Max, and the first foldable, iPhone Duo — and buried in the keynote’s foldable-hinge theatrics was a number worth pulling out on its own: the Neural Engine had been stuck at 16 cores and roughly 35 trillion operations per second since the A17 Pro. Three generations, no movement. The A20 Pro in this year’s phones ships a dual 16-core Neural Engine — 32 cores total, north of 80 TOPS. That’s not an iteration, that’s the compute budget doubling in one generation after sitting flat for two years running.

That number is what makes this year’s Apple Intelligence upgrades different from the last few rounds of “now with more AI” marketing.

What the extra compute actually unlocks

Last year’s Siri could answer questions and run a fixed set of app actions you’d have to trigger yourself. Siri AI, the version shipping with iOS 27 on these phones, gets two things it didn’t have before: personal context awareness, and the ability to look at what’s actually on your screen and take multi-step actions across apps on your behalf without you driving each step. That’s a meaningfully different assistant, not a renamed one — screen understanding and cross-app action chaining are exactly the kind of workload that needed the Neural Engine headroom to run locally instead of round-tripping to a server.

The rest of iOS 27’s Apple Intelligence layer rides the same compute bump: automatic tab grouping in Safari, new Photos editing modes (Extend, Reframe), an Image Playground that generates wallpapers and contact posters on-device, and Shortcuts/Home automations you can describe in plain language instead of building node by node.

The Duo’s version of this isn’t just “AI on a bigger screen”

iPhone Duo — 5.4-inch outer display, 7.6-inch inner display, titanium frame, IP68, starting at $1,999 — gets an Apple Intelligence feature the slab phones structurally can’t: Split View lets you run two full apps side by side, and you can talk to Siri AI on one half while looking at content on the other. That’s a genuinely new interaction shape for Siri, not a resized version of the same one-app-at-a-time assistant. Apple’s framing the foldable as a productivity device first and a novelty second, and the AI feature list backs that read up more than the hinge does.

The catch nobody put on a slide

iOS 27’s most advanced Apple Intelligence features only run on hardware that clears a 12GB memory threshold. Apple didn’t say this from the stage — it’s in the fine print. Which means “the new iPhone has Apple Intelligence” and “the new iPhone has all of Apple Intelligence” aren’t the same claim, and the keynote wasn’t especially interested in you noticing the difference. Worth checking your specific model’s memory configuration before assuming every AI feature on the site demo works on the phone you’re buying.

Where the real advancement is

If you’re comparing this year to last year, don’t compare feature lists — Apple adds features every year regardless of what the hardware can actually do locally. Compare the Neural Engine number. Three flat years, then a hardware doubling the same year Siri AI gains screen-reading and cross-app autonomy is not a coincidence — it’s the actual dependency. The interesting question for next year isn’t what new AI feature Apple announces. It’s whether the Neural Engine keeps climbing at this rate, because that’s the number that decides which features are possible at all.

Sources