Amazfit Balance 3 vs Amazfit T-Rex 3 Pro: which should you buy?

Get the Amazfit Balance 3. It is the better watch for running and workouts, it is just as ready for the water, and it is the better buy today: we would wait on the Amazfit T-Rex 3 Pro for a better price.

Who should get the Amazfit Balance 3

Get the Balance 3 if you want one tough watch for the gym, the trail and the pool. Amazfit lists more than 180 workout modes, HYROX training tools and up to 21 days of typical battery, with dual-band GPS and offline maps. It is rated for swimming and freediving, and its case is built to take knocks. On an iPhone it works with limits, so some features that need deeper phone access stay on Android.

Who should get the Amazfit T-Rex 3 Pro

Get the T-Rex 3 Pro if you dive or disappear for weeks. Amazfit certifies it for diving to 45 meters and lists up to 25 days of typical battery on the larger size. It works with an iPhone and with an Android phone. Our page reads wait on it today, so check its price before you pay.

The differences that matter

Both are certified for diving, with the Balance 3 rated for freediving and recreational scuba to 45 meters. In the water, they match.

The T-Rex 3 Pro is the more rugged of the two and lasts a little longer between charges, and it works fully with an iPhone. Those are its strengths.

Price and value

Today the Amazfit Balance 3 costs $369.99 (checked Nov. 4, 2026) and the Amazfit T-Rex 3 Pro costs $399.99 (checked Nov. 4, 2026). The Amazfit Balance 3 is cheaper by $30.

For training with room for adventure, pick the Amazfit Balance 3.

Amazfit Balance 3 vs Amazfit T-Rex 3 Pro

Amazfit Balance 3
AMAZFITWinner: Amazfit Balance 3

Amazfit Balance 3

$369.99 at Amazfit
Amazfit T-Rex 3 Pro
AMAZFIT

Amazfit T-Rex 3 Pro

$399.99 at Amazon
  1. Amazfit Balance 3: 1.5-inch AMOLED, 480 x 480, up to 3,000 nits, sapphire glassDisplayAmazfit T-Rex 3 Pro: 1.5 in AMOLED (48mm) or 1.32 in AMOLED (44mm), up to 3,000 nits, sapphire glass
  2. Amazfit Balance 3: Up to 21 days with typical use, up to 10 days with heavy use; up to 41 hours in Accuracy GPS modeBatteryAmazfit T-Rex 3 Pro: Typical use: up to 25 days (48mm), 17 days (44mm); accurate GPS: up to 38 hrs (48mm), 26 hrs (44mm)
  3. Amazfit Balance 3: 62g (stainless steel) or 55g (titanium), without the strapWeightAmazfit T-Rex 3 Pro: 52g (48mm) or 46.8g (44mm), without strap
  4. Amazfit Balance 3: 10 ATM; 45m freediving and recreational scuba divingWater resistanceAmazfit T-Rex 3 Pro: 10 ATM; freediving and recreational scuba to 45 m