Apple Watch Ultra 3 vs Samsung Galaxy Watch Ultra: Which is the More Accurate Device? (2026)

In the world of smartwatches, the Apple Watch Ultra 3 and Samsung Galaxy Watch Ultra are two of the most highly anticipated devices. As an expert editorial writer, I was eager to put these two devices to the test and see which one comes out on top. After a 6,500-step walk, the results were almost too close to call, but the Apple Watch Ultra 3 emerged as the winner by a tiny margin.

What makes this comparison particularly fascinating is the fact that both devices are known for their accuracy in tracking fitness activities. The Apple Watch Ultra 3 and Samsung Galaxy Watch Ultra are two of the best smartwatches you can buy today, and both models have proven themselves to be accurate fitness trackers in numerous prior tests. However, when it comes to tracking basic outdoor workouts like walks, runs, and hikes, the Apple Watch Ultra 3 seems to have a slight edge.

One thing that immediately stands out is the step count. Both devices noted step count totals that are well within 100 steps of my actual count, which is to say, performance here is outstanding. However, with a tally that's 45 steps under versus 65 steps over, the Apple Watch Ultra 3 beats the Samsung Galaxy Watch Ultra by a teeny, tiny margin. This is a significant finding, as step count is an essential metric for measuring the intensity of a walking workout.

From my perspective, the Apple Watch Ultra 3's slight edge in step count accuracy is a result of its advanced algorithms and sensors. The device's ability to accurately track elevation gain and distance is also impressive, and it's reassuring to see that both wearables recorded nearly the same average and max heart rate for my walk. However, the Samsung Galaxy Watch Ultra proved more accurate at tracking my elevation gain and distance, which is a common issue with Apple Watches.

What many people don't realize is that the Apple Watch Ultra 3's battery life is a significant advantage over the Samsung Galaxy Watch Ultra. At the end of the test, the Apple Watch Ultra 3 was still showing 100% battery, while the Samsung Galaxy Watch Ultra burned through 8% battery. This is a crucial factor for outdoor enthusiasts who need their devices to last for extended periods.

In conclusion, the Apple Watch Ultra 3 and Samsung Galaxy Watch Ultra are both excellent smartwatches, and the results of this test are almost too close to call. However, the Apple Watch Ultra 3's slight edge in step count accuracy, advanced algorithms, and longer battery life make it the winner in this showdown. As an avid outdoor adventurer, I'm excited to see how these devices continue to evolve and improve, and I can't wait to put them to the test again in the future.

Apple Watch Ultra 3 vs Samsung Galaxy Watch Ultra: Which is the More Accurate Device? (2026)
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