Amazfit Balance 3 vs T-Rex 3 Pro specs comparison
There is plenty of overlap here, including sapphire glass, dual-band GPS, offline maps, 10 ATM water resistance and Zepp’s newer training features. The T-Rex 3 Pro makes more sense for hiking, diving and rough outdoor use, while the Balance 3 packages similar capability into a more conventional premium smartwatch design. Pick based mainly on whether ruggedness or everyday wear matters more.
Full comparison
The full record
76 specifications across 6 areas, with 20 genuine differences.
1. Design & display No clear edge
Fact
Amazfit Balance 3
Amazfit T-Rex 3 Pro
Release date
2026-06
2025-09
Physical size
51.4 x 51.4 x 14.6 mm including heart-rate sensor; 12.5 mm excluding sensor
48 mm: 48 x 48 x 14 mm; 44 mm: 44.8 x 44.8 x 13.2 mm
Weight
62 g stainless steel / 55 g titanium, without strap
48 mm: 52g; 44 mm: 46.8g
Material
Stainless steel or Grade 5 titanium frame/case; fiber-reinforced polymer shell
Case: Fiber-reinforced polymer Bezel & Buttons: Grade 5 Titanium
Water resistance
10 ATM; 45 m freediving; recreational scuba diving
10 ATM; 45 m freediving; scuba diving
Display type
AMOLED
AMOLED
Display size
1.5 inch
48 mm (1.5 inch AMOLED); 44 mm (1.32 inch AMOLED)
Display resolution
480 x 480 pixels (323 ppi)
48 mm: 480 x 480; 44 mm: 466 x 466
Display brightness
Up to 3,000 nits
Up to 3,000 nits
Display protection
Sapphire glass
anti-fingerprint coating, Sapphire Glass
2. Battery & charging Amazfit T-Rex 3 Pro
Fact
Amazfit Balance 3
Amazfit T-Rex 3 Pro
Battery
Rechargeable battery; 658 mAh
Rechargeable battery; 48 mm: 700 mAh (rated value); 44 mm: 500 mAh (rated value)
Battery life
Up to 21 days typical; 10 days heavy use; 7 days AOD; 41 hours accurate GPS; 84 hours power-saving GPS
48 mm: up to 25 days typical / 38 hours accurate GPS; 44 mm: up to 17 days typical / 26 hours accurate GPS
Charging
Magnetic charging head
Magnetic, 2pin pogo pin charging
3. Sensors & positioning No clear edge
Fact
Amazfit Balance 3
Amazfit T-Rex 3 Pro
GNSS type
Built-in dual-band GNSS
Built-in dual-band GNSS
GPS
Yes
Yes
GALILEO
Yes
Yes
GLONASS
Yes
Yes
QZSS
Yes
Yes
Beidou
Yes
Yes
Accelerometer
Yes
Yes
Gyroscope
Yes
Yes
Barometric altimeter
Yes
Yes
Compass
No
Yes
Geomagnetic
Yes
Yes
Ambient light sensor
Yes
Yes
Optical heart rate
Yes
Yes
Electrical heart rate
No
No
SpO2
Yes
Yes
Temperature
Yes
Yes
Galvanic skin response
No
No
Microphone
Yes
Yes
Speakers
Yes
Yes
Vibration motor
Yes
Yes
4. Health & activity Amazfit Balance 3
Fact
Amazfit Balance 3
Amazfit T-Rex 3 Pro
Steps
Yes
Yes
Distance
Yes
Yes
Calories burned
Yes
Yes
Floors
Yes
Yes
Sports tracking
180+ sports modes
180+ sports modes
Sleep
Yes
Yes
Heart rate
Yes (alerts for arrhythmia and atrial fibrillation)
Yes
HRV
Yes
Yes
Stress
Yes
Yes
Blood oxygen
Yes (all day)
Yes
Respiration rate
Yes
No
Skin temperature
Yes
Yes
ECG
No
No
Blood pressure
No
No
Body composition
No
No
Glucose
No
No
Hydration level
No
No
UV exposure
No
No
Calorie intake
No
No
Hyperglycemia risk assessment
No
No
Arterial stiffness detection
No
No
Pulse wave arrhythmia analysis
Yes
No
5. Smart features No clear edge
Fact
Amazfit Balance 3
Amazfit T-Rex 3 Pro
Smartphone compatibility
Android 8.0+ and iOS 17.0+
Android and iOS
Operating system at launch
Zepp OS 6
Zepp OS 5
Storage
64 GB
26 GB available for maps, music, apps and data
Bluetooth
Yes (5.2)
Yes (5.2)
Wi-Fi
Yes (2.4 GHz)
Yes (802.11 b/g/n, 2.4 GHz)
NFC / connected pay
Yes (Zepp Pay, region-dependent)
Yes (Zepp Pay, region-dependent)
UWB
No
No
Cellular
No
No
Smartphone notifications
Yes
Yes
Bluetooth calling
Yes
Yes
Smartphone music control
Yes
Yes
On-board music storage
Yes (64 GB storage space)
Yes
Voice assistant
Zepp Flow
Zepp Flow
6. Navigation & safety No clear edge
Fact
Amazfit Balance 3
Amazfit T-Rex 3 Pro
Maps
Yes (base, contour and ski-resort maps)
Yes (base, contour and ski-resort maps)
Offline maps
Yes
Yes
Navigation
Yes (turn-by-turn, POI search, route planning, round-trip routes and auto-rerouting)
Yes (turn-by-turn, route planning and offline navigation)
Emergency SOS
No
No
Satellite SOS
No
No
Fall detection
No
No
LED flashlight
Yes
Yes
Diving
Yes (45 m freediving; recreational scuba diving)
Yes (45 m freediving; recreational scuba diving)