Comparison: Apple Watch Ultra 4 vs Garmin Fenix 9 Pro

The Garmin Fenix 9 Pro and Apple Watch Ultra 4 have emerged as two of the most prominent and expensive smartwatches released this year. A crucial aspect that has been analyzed is the accuracy of their health monitoring systems. Apple has touted its new Health Sensing System as the most precise to date, and a recent test compared its performance with that of Garmin.

To assess the accuracy of both devices, the test conductor used an electrical heart rate monitor, the Frontier X2, as a reference during a 30-minute run. This approach mirrors that used by Apple in its own tests, adding a level of credibility to the results. During the run, which included hilly terrain, both smartwatches managed to measure heart rate with high accuracy.

## Why it matters Accuracy in health monitoring is vital for smartwatch users, especially for those who use these devices to track their physical activity and health status. The competition between Apple and Garmin in this segment highlights the importance of sensor technology in wearables, which can influence consumers' purchasing decisions.

## What we know Both devices, the Apple Watch Ultra 4 and the Garmin Fenix 9 Pro, have proven to be accurate in their measurements during the test. This suggests that users can rely on them for relevant health and performance data.

## What remains unclear It has yet to be confirmed if either of these devices has a significant advantage over the other in specific situations or in long-term use. Details on how they perform in different types of physical activities or environmental conditions are also lacking.