Apple Watch Ultra 2 vs Ultra 4: What’s New and Should You Upgrade?

The briefing

MacRumors compares the Apple Watch Ultra 2 with the Ultra 4, noting additions over three years such as satellite connectivity, a larger display, new health sensors, and longer battery life. Both keep the 49mm titanium case, Action button, siren, 3,000‑nit display, dual‑frequency GPS, and recreational diving to 40 meters, with the Ultra 4 starting at $799 in the U.S.