Amazfit T Rex Ultra
VS
Fitbit Flex
Feature Comparison
Time and method of release
Time and method of release
| Availability Status | Available, released to market | Available. Released March 2013 |
|---|---|---|
| Introduction Time | - |
Aesthetic features
Aesthetic features
| Size and Dimensions | 47.3 x 47.3 x 13.45 mm | - |
|---|---|---|
| Product Weight | 89g (with strap) | 10 gram (g) |
Body material and design
Body material and design
| Compatible SIM Card Types | No | - |
|---|---|---|
| Other Body Features | Stainless steel body / Plastic frame / Water resistant up to 10 ATM (100 meters deep) | Water resistant up to 10 meters deep / Two different sizes / Metal body and elastomer bands |
Display
Display
| Display Technology | No display, has five white lights | |
|---|---|---|
| Screen Size | 1.39 inch | - |
| Display Resolution | - | |
| Display Technical Details | 1000 nits peak brightness | - |
| Multi-Touch Capability | - | No |
Operating system or software platform
Operating system or software platform
| OS Version | Proprietary Zepp OS 2.0 compatible with Android 7.0 and later and iOS version 12.0 and later | Compatible with Android and iOS equipped phones |
|---|
Storage memory
Storage memory
| Internal Memory Capacity | - |
|---|
Audio features
Audio features
| Alert Type | Vibrate | - |
|---|---|---|
| Speaker Type | No | - |
Battery capacity and performance
Battery capacity and performance
| Battery Type and Capacity | Non-removable 500 mAh battery (fully charged in 2 hours) | Non-replaceable lithium polymer battery / Requires 1 to 2 hours to charge |
|---|---|---|
| Battery Standby Time | Up to 50 days (watch mode only) / Up to 25 days (battery saver mode) / Up to 20 days (normal usage) / Up to 9 days (heavy usage) / Up to 46 hours (GPS on) | - |
Capabilities
Capabilities
| Smart Sensors | Optical heart rate sensor with SpO2 (blood oxygen level) calculation capability, Accelerometer, Gyroscope, Geomagnetic sensor, Altimeter, Ambient light sensor | 3-axis accelerometer |
|---|---|---|
| Messaging Method | Received notification announcement / Display text messages | Received notification announcement |
| Other Features and Capabilities | Supports 162 sport modes, heart rate monitoring, blood oxygen level measurement, sleep monitoring, stress monitoring, pedometer, phone and calendar notification display, date and time display, watch face customization, weather display, music control, interchangeable strap | Pedometer / Distance traveled calculation / Calorie calculation |
Network connections
Network connections
| Communication Technologies | No cellular connectivity | - |
|---|
Connections
Connections
| Wireless Network Type | - | |
|---|---|---|
| Bluetooth Support | ||
| GPS Support | Yes | Yes |
| NFC Support | No | - |
| USB Connections Type | No, charges with proprietary magnetic charger | - |
Miscellaneous
Miscellaneous
| Available Color Options | Black, Light Brown | Purple, Black, Gray, Navy, Blue, Orange |
|---|
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User Rating Comparison
Amazfit T Rex Ultra
0
/10
from total 1 Vote
Fitbit Flex
0
/10
from total 1 Vote
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