Updated
Updated · Android Central · Aug 7
Amazfit T-Rex 3 Pro Tops 4 Smartwatches in Sleep, GPS and Race Tracking Tests
Updated
Updated · Android Central · Aug 7

Amazfit T-Rex 3 Pro Tops 4 Smartwatches in Sleep, GPS and Race Tracking Tests

3 articles · Updated · Android Central · Aug 7

Summary

  • Four smartwatches were tested across sleep, training runs and a 5K Spartan race, with the Amazfit T-Rex 3 Pro emerging as the most consistently accurate overall.
  • Sleep data showed wide variation: Samsung logged 18 wake-ups and a 72 score, while Amazfit posted a 54 score the reviewer said better matched how he felt.
  • On a 2.5-mile run, Amazfit and Samsung tied for best GPS tracking, Honor showed some tree-cover drift, and OnePlus was the least accurate with speed spikes and dips.
  • In the Spartan race finale, Amazfit and Samsung again led on GPS, but Samsung showed heart-rate dropouts and cadence errors, giving Amazfit the edge.
  • The comparison positions the T-Rex 3 Pro as the strongest fitness-focused option among Samsung, Honor and OnePlus for buyers prioritizing tracking reliability.

Insights

Can a budget-friendly smartwatch truly outperform premium tech giants in extreme real-world fitness tracking?
Why did a premium titanium smartwatch fail to track basic movement during a grueling Spartan race?
Are aggressive software algorithms secretly smoothing workout data to make wearables appear more accurate?