Garmin Venu X1 and Apple Watch Ultra 3 are premium fitness smartwatches, but they solve different problems. Venu X1 is slimmer, lighter, and better for longer battery life, while Apple Watch Ultra 3 is the stronger iPhone smartwatch with cellular, ECG, satellite safety, and deeper app integration.
Last updated: June 28, 2026
Apple
A rugged iPhone smartwatch built for cellular connectivity, safety features, bright outdoor visibility, health tracking, and adventure workouts.
Garmin
A slim premium Garmin smartwatch built for fitness tracking, offline maps, health insights, a large AMOLED display, and longer battery life.
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Apple Watch Ultra 3 is usually the better fit if you are an iPhone user who wants the strongest smartwatch experience: cellular, 5G, satellite safety, ECG, Blood Oxygen, a brighter display, third-party apps, Apple Pay, Siri, and deeper Apple integration. Garmin Venu X1 is usually the better fit if you want a premium fitness watch that is lighter, thinner, easier to sleep with, and much better for multi-day battery life. It gives you Garmin's health, recovery, training, mapping, and fitness tools without locking you into an iPhone. The real decision is iPhone adventure smartwatch versus fitness watch. Pick Ultra 3 if safety, apps, cellular, and Apple health features matter more. Pick Venu X1 if battery, comfort, and Garmin training matter more.
A: Garmin Venu X1 is better for battery life, comfort, and Garmin fitness tracking. Apple Watch Ultra 3 is better for iPhone users who want cellular, safety features, ECG, apps, and the most complete smartwatch experience.
A: Garmin Venu X1 is a slim fitness smartwatch with longer battery life and Garmin training tools. Apple Watch Ultra 3 is a rugged iPhone smartwatch with cellular, satellite safety, ECG, apps, and adventure features.
A: Garmin Venu X1 has better everyday battery life. Garmin rates it up to 8 days in smartwatch mode, while Apple rates Ultra 3 up to 42 hours of normal use or 72 hours in Low Power Mode.
A: Garmin Venu X1 is better if you want Garmin-style training, recovery, HRV, and multi-day battery life. Apple Watch Ultra 3 is better if you want cellular runs, Apple Music, Race Route, Pacer, and iPhone integration.
A: Apple Watch Ultra 3 is stronger for safety because it includes satellite features, siren, Backtrack, and emergency tools. Garmin Venu X1 is still excellent for maps, battery life, and lightweight comfort on longer walks and hikes.
A: No ECG app is listed for Garmin Venu X1 in the checked official product positioning. Apple Watch Ultra 3 includes the ECG app, along with Blood Oxygen, sleep apnea notifications, and hypertension notifications.
A: No. Apple Watch Ultra 3 requires iPhone 11 or later with iOS 26 or later. Garmin Venu X1 is the better choice if you use Android or want flexibility across phone platforms.
A: Both support maps, but they do it differently. Garmin Venu X1 focuses on Garmin preloaded maps and fitness navigation. Apple Watch Ultra 3 supports offline maps, custom routes, Compass waypoints, Backtrack, and U.S. park topographic maps.
A: Apple Watch Ultra 3 is better for diving because it supports recreational scuba diving to 40m with a compatible app. For normal pool and open-water swim tracking, both watches cover the basics well.
A: Buy Apple Watch Ultra 3 if you use an iPhone and want cellular, safety, health sensors, apps, and Apple ecosystem features. Buy Garmin Venu X1 if you want battery life, comfort, Garmin fitness tools, and Android compatibility.
Prices, features and specifications in this comparison were verified from official sources.
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