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

Get the Amazfit Balance 3. It is the better watch for running and workouts, and it has the brighter screen, at up to 3,000 nits against 2,000 nits for the Amazfit T-Rex 3. It is tough enough for the trail and smart enough for every day.

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

Get the T-Rex 3 if you head into rough country. Amazfit builds it to a military-grade standard and rates it for up to 42 hours in accurate GPS mode, which covers long hikes with room to spare. It works with an iPhone and with an Android phone, and it shrugs off rocks, mud and cold.

The differences that matter

The Balance 3 also carries more workout modes and training tools, and it is rated for freediving. It covers more of what an active person does in a week.

The T-Rex 3 is the more rugged watch, built to military standards, and it works fully with an iPhone. If you are rough on gear and use an iPhone, that counts.

Price and value

Today the Amazfit Balance 3 costs $369.99 (checked Nov. 4, 2026) and the Amazfit T-Rex 3 costs $244.99 (checked Nov. 4, 2026). The Amazfit T-Rex 3 is cheaper by $125.

For an all-round watch, pick the Amazfit Balance 3.

Amazfit Balance 3 vs Amazfit T-Rex 3

Amazfit Balance 3
AMAZFITWinner: Amazfit Balance 3

Amazfit Balance 3

$369.99 at Amazfit
Amazfit T-Rex 3
AMAZFIT

Amazfit T-Rex 3

$244.99 at Best Buy
  1. Amazfit Balance 3: 3,000 nitsPeak brightnessâ—‚ BetterAmazfit T-Rex 3: 2,000 nits
  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: Typical use: up to 27 days; accurate GPS: up to 42 hrs; GPS max: up to 180 hrs
  3. Amazfit Balance 3: 62g (stainless steel) or 55g (titanium), without the strapWeightAmazfit T-Rex 3: 68.3g without strap
  4. Amazfit Balance 3: 10 ATM; 45m freediving and recreational scuba divingWater resistanceAmazfit T-Rex 3: 10 ATM; certified for freediving to 147 ft (45 m)