iPhone 18 to debut with 12 GB RAM

Apple is poised to raise the memory bar for its flagship line, with rumors indicating that the upcoming iPhone 18 will ship with 12 GB of RAM across all models. This jump represents a 50 % increase over the base iPhone 17, which was limited to 8 GB, and aligns the standard device with the Pro variants that already benefit from the larger memory pool. The move is driven primarily by the growing computational demands of on‑device artificial intelligence, especially Apple Intelligence, which processes large language models locally to preserve privacy and speed.

The shift to 12 GB of unified memory is made possible by Apple’s partnership with Samsung, the chief supplier of LPDDR5X chips. Samsung’s 2024‑launched LPDDR5X modules are only offered in 12 GB and 16 GB configurations, effectively ruling out a lower‑spec iPhone 18 with 8 GB. By securing a sizable order of these high‑performance chips, Apple ensures sufficient capacity to support advanced AI workloads, real‑time image processing, and smoother multitasking for power users and creators alike.

From a product‑strategy perspective, equalising RAM across the iPhone 18 range reduces the hardware gap that previously distinguished the Pro line from the standard model. Consequently, differentiation will shift toward other features such as camera sensor upgrades, ProMotion display rates, and exclusive software capabilities. Analysts anticipate that the uniform memory upgrade could also influence pricing, as the cost of premium memory is reflected in the final retail price, positioning the iPhone 18 as a more capable but potentially pricier option compared with its predecessor.

In addition to AI, the extra RAM benefits everyday tasks: faster app launches, reduced background reloads, and improved performance in demanding games and augmented‑reality experiences. By future‑proofing the device, Apple aims to extend the usable lifespan of the iPhone 18, ensuring it remains competitive against Android flagships that already ship with 12 GB or more of RAM.

Overall, the anticipated 12 GB RAM configuration underscores Apple’s commitment to integrating powerful on‑device AI while streamlining its product lineup. The partnership with Samsung for LPDDR5X supplies, combined with the strategic emphasis on memory‑driven performance, suggests the iPhone 18 will set a new benchmark for mobile computing in the coming years.

Sources:

• https://www.macrumors.com/2025/10/25/iphone-18-to-feature-more-ram/

• https://www.digitaltrends.com/phones/iphone-18-rumors-hint-at-12gb-ram-for-everyone-not-just-the-pros/

• https://9to5mac.com/2025/10/25/iphone-18-base-model-offering-12gb-of-unified-memory/