16.09.2026 14:45 Uhr, Quelle: Macrumors

Apple Watch Ultra 3 vs. Ultra 4 Buyer's Guide

The Apple Watch Ultra 4 is now available for pre-order, bringing a new health sensing system, more memory, and longer battery life over its predecessor. Here's everything that's new. Last year, the Apple Watch Ultra 3 introduced a larger, more efficient display, satellite connectivity, 5G, and improved battery life. The Ultra 4 retains the same basic design and display, but focuses on more detailed health and fitness insights, new Audio Intelligence features, and further battery life improvements. It launches on Friday, September 18, at the same $799 starting price as the Ultra 3. The comparison below outlines the differences between the two generations: Apple Watch Ultra 3 Apple Watch Ultra 4 S10 chip (2024) S11 chip (2026) 2GB RAM 4GB RAM Electrical heart sensor "Health Sensing System" with second-generation electrical heart sensor Third-generation optical heart sensor Always-on optical heart sensor Background heart rate tracking High-frequency background heart

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