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

Key Points:

• The Apple Watch Ultra 4 is now available for pre-order, launching on September 18 at the same $799 starting price as the Ultra 3, featuring a new health sensing system, doubled memory (4GB vs. 2GB), and improved battery life.
• Key upgrades include the S11 chip, third-generation optical heart sensor with high-frequency background heart rate tracking, enhanced recovery and readiness apps, more accurate step tracking, and new Audio Intelligence features like Sound Recognition.
• Battery life improvements allow up to 50 hours of normal use and up to 45 hours in Max Extended Workout mode, with faster charging times supporting longer usage and sleep tracking.
• For current Ultra 3 owners, upgrading is generally not necessary unless they prioritize advanced recovery tracking, longer battery life for endurance activities, or Audio Intelligence features, particularly for hearing-impaired users.
• New buyers are recommended to choose the Ultra 4 for its enhanced features and future-proofing, while the Ultra 3 remains a good value option if significantly discounted and if advanced health insights or extended battery life are not priorities.