It dominates the spec sheet, but is the Apple Watch Ultra 4 actually worth $799 if you own last year's model? We tested both to see if the upgrades warrant the jump.

Apple Watch Ultra 4 looks remarkably similar to the Ultra 3, but major health-sensing, battery, and intelligence upgrades make the comparison more complicated than it appears.

The Apple Watch Ultra 4 is a great smartwatch with longer battery life and smarter training and health insights.

The Apple Watch Ultra 4 is a meaningful upgrade mainly for users coming from older Apple Watches or the original Ultra, offering better battery life, a redesigned sensor system, brighter 3,000-nit ...

Apple Watch Ultra 4 raises normal-use battery life from up to 42 to 50 hours and adds a new Health Sensing System powered by the S11 chip. Those are the clearest reasons to consider it over Ultra 3, ...

Is the Apple Watch Ultra 4 different enough to justify upgrading from the Ultra 3?Apple Watch Ultra 4 Many people interested ...

The Apple Watch Ultra 3 is now $649 (was $799) for Prime Day—that’s 19 percent off and the lowest price in over a month. Serious running metrics, a rugged titanium build, and the full Apple ecosystem ...

These premium smartwatches can take a beating and deliver multi-day battery life. I've tested both, so read on to find out which Ultra reigns supreme. I’m PCMag’s senior writer covering smart home and ...