A new DigiTimes report out of Taiwan has reaffirmed what supply chain watchers have been saying since October 2025: the standard iPhone 18 is getting a jump to 12GB of LPDDR5X RAM. The bigger story, though, isn't the memory bump itself — it's that Apple is apparently absorbing the extra cost rather than passing it to buyers. If that holds, the iPhone 18 launches at the same $799 starting price as the iPhone 17. During a full-blown global DRAM crisis. That's not nothing.
Summary
- The iPhone 18 is confirmed by multiple supply chain sources to feature 12GB of LPDDR5X RAM, up 50% from the iPhone 17's 8GB.
- Apple is reportedly absorbing the RAM cost increase itself, keeping the starting price at $799 — the same as the iPhone 17.
- The 12GB minimum is required to run Apple's most advanced on-device Siri AI features in iOS 27, including expressive voices and advanced dictation.
- iPhone 17 owners will be locked out of these specific iOS 27 AI features due to the 8GB RAM ceiling.
- The standard iPhone 18 is expected to launch in spring 2027 alongside the iPhone 18e and likely the iPhone Air 2.
Why 12GB Matters More Than It Usually Would
RAM upgrades on base iPhones are rare, and Apple doesn't do them without a reason. The reason here is iOS 27's Siri AI — a ground-up rebuild of Siri powered by Apple Intelligence. Apple confirmed at WWDC 2026 that the most advanced on-device AI model requires a minimum of 12GB of RAM to run. That means expressive Siri voices with personalization sliders, major accuracy improvements to system-wide dictation, and other future AI features are simply off the table for iPhone 17 owners. The phone that launched just months ago is already partially locked out.
The iPhone 17 Pro, iPhone 17 Pro Max, and iPhone Air all shipped with 12GB. The standard iPhone 17 didn't. That gap is now a real-world consequence, and it's almost certainly accelerating Apple's decision to close it with the iPhone 18.
Apple Is Eating the DRAM Crisis for Breakfast
Here's the part that's genuinely surprising. RAM prices are elevated globally — AI data center demand has sent DRAM supply chains into a squeeze that's pushed costs higher across the board. Apple has reportedly told its top memory suppliers — SK Hynix, Samsung, and Micron — to supply more LPDDR5X chips for the 2026 iPhone lineup. In its March-June quarter earnings language, Apple itself acknowledged "significantly higher memory costs." And yet, the current rumor from DigiTimes says the $799 price tag stays put.
"Apple is reportedly offsetting the DRAM cost increase by negotiating down the price of other components — including displays and cameras — rather than passing the burden to buyers."
I suppose the competitive context explains the decision. The Galaxy S27 is expected to start around $899 — roughly $100 more — with broadly comparable specs. If the iPhone 18 hits the market at $799 with 12GB of RAM and Apple's silicon advantage, that's a tough combination for Android OEMs to answer. PhoneArena called it bluntly: the best iPhone deal ever, if it holds.
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What We Still Don't Know
The iPhone 18 launch is a spring 2027 affair, arriving alongside the iPhone 18e and a likely iPhone Air 2. The September 2026 event belongs to the iPhone 18 Pro, Pro Max, and the long-awaited foldable iPhone. So there's roughly a year for something to change — RAM supply situations shift, and Apple has reversed course on specs before. The $799 price point and 12GB figure have now been corroborated by multiple independent sources across several months, but it's still a rumor until Apple says otherwise.
For iPhone 17 owners wondering whether to upgrade: the AI feature gap in iOS 27 just made that decision a lot more interesting.
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