Earlier this month, I put the Apple Watch Series 8 and the Garmin Forerunner 265 head-to-head in a step-counting challenge and found the Garmin to be slightly more accurate than Apple. Yet what would happen when I compared the two watches' ability to track my calories during a workout? To find out more, I strapped both to my wrist and followed a YouTube workout that promised to burn 300 calories. The results surprised me.
One important caveat: It’s really tricky to work out which watch is more accurate when it comes to estimating how many calories you burn during a workout. Both the Apple Watch and Garmin use your personal information like heart rate, height, weight, gender, and age to make an accurate prediction.
