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- T-Rex 3 Pro
AmazfitGPS sports watch
Amazfit T-Rex 3 Pro
Amazfit T-Rex 3 Pro is a GPS sports watch released in July 2025. Key specs: case size 48 mm, screen size 1.5″, AMOLED / OLED display, battery life (smartwatch mode) 25 days.
9.6Score
Display9.7
Battery life9.0
Health tracking9.6
Sports & outdoor9.5
Smart features4.1
Build & durability8.6
price range$350–440
- Released
- July 2025
- Type
- GPS sports watch
- Brand
Amazfit- Popularity
- #480 of 796
48 mmCase size
1.5″Screen size
YesAMOLED / OLED display
25 daysBattery life (smartwatch mode)
85 hGPS battery life
10 ATMWater resistance
74.5 gWeight
Spec guide
How it ranks among GPS sports watches of 2025
Screen size · 1.5″Top 39%Battery life (smartwatch mode) · 25 daysTop 11%GPS battery life · 85 hTop 6%Water resistance · 10 ATMTop 17%Weight · 74.5 gBottom 15%
Compared with GPS sports watches released in 2025. Bars show the share of models it beats.
compared with other GPS sports watches
Why is T-Rex 3 Pro a good choice?
Battery life (smartwatch mode): 25 daysbetter than 84% of GPS sports watches
GPS battery life: 85 hbetter than 93% of GPS sports watches
Screen size: 1.5″better than 86% of GPS sports watches
Pixel density: 466 ppibetter than 99% of GPS sports watches
Sport profiles: 180better than 99% of GPS sports watches
GPS battery life (dual-band): 38 hbetter than 74% of GPS sports watches
In rankings
#5Best smartwatches and fitness trackers right now#2Best GPS sports watches#28Longest battery life#8Longest GPS battery life#5Best for health tracking#8Best watches for running and the outdoors#5Best smartwatch displays#2Sharpest watch displays#5Most sport modes#3Best GPS sports watches from $150 to $400#3Best Amazfit smartwatches#2Best smartwatches of 2025
Specifications
Full specifications
Design & durability
- Case size
- 48 mm
- Weight
- 74.5 g
- Thickness
- 14 mm
- Height
- 48 mm
- Width
- 48 mm
- Sapphire crystal
- Yes
- Lens / cover glass
- Sapphire glass
- Water resistance
- 10 ATM
Display
- Screen size
- 1.5″
- Panel
- AMOLED
- AMOLED / OLED display
- Yes
- Touchscreen
- Yes
- Resolution (width)
- 480 px
- Resolution (height)
- 480 px
- Pixel density
- 466 ppi
- Peak brightness
- 3,000 nits
Battery
- Battery life (smartwatch mode)
- 25 days
- GPS battery life
- 85 h
- GPS battery life (dual-band)
- 38 h
- Battery capacity
- 700 mAh
Health sensors
- Optical heart rate
- Yes
- Blood oxygen (SpO2)
- Yes
- Skin temperature
- Yes
- Temperature sensor
- Yes
- Sleep tracking
- Yes
Sports & navigation
- Built-in GPS
- Yes
- Dual-band GPS
- Yes
- Offline maps
- Yes
- Barometric altimeter
- Yes
- Compass
- Yes
- Sport profiles
- 180
- LED flashlight
- Yes
Connectivity
- Wi-Fi
- Wi-Fi 4
- Bluetooth
- 5.2
Smart features
- Calls from the wrist
- Yes
- Speaker
- Yes
- Microphone
- Yes
- Voice assistant
- Yes
- Music on the watch
- Yes
Platform
- Platform
- Proprietary
- Works with
- Android, iOS
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Smartwatches: AMOLED / OLED display + GPS battery life from 60 h17Smartwatches: AMOLED / OLED display + battery life (smartwatch mode) from 21 days38Smartwatches: GPS battery life from 60 h + music on the watch38Smartwatches: GPS battery life from 60 h + water resistance from 10 ATM38Smartwatches: GPS battery life from 60 h + dual-band GPS39Smartwatches: Battery life (smartwatch mode) from 21 days + offline maps47Smartwatches: Battery life (smartwatch mode) from 21 days + music on the watch53Smartwatches: Battery life (smartwatch mode) from 21 days + dual-band GPS57
