Price Comparison
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Xiaomi Mi Band 4
VS
Amazfit T Rex Ultra
Feature Comparison
Connections
Connections
| NFC Support | NFC version only | No |
|---|---|---|
| GPS Support | No | Yes |
| USB Connections Type | - | No, charges with proprietary magnetic charger |
Time and method of release
Time and method of release
| Introduction Time | 2019, June | - |
|---|---|---|
| Availability Status | Available. Released June 2019 | Available, released to market |
Display
Display
| Display Technology | AMOLED / Color / Touchscreen | - |
|---|---|---|
| Multi-Touch Capability | No | - |
| Screen protector type | Scratch-resistant glass | - |
| Screen Size | 0.95 inch | 1.39 inch |
| Display Technical Details | 2.5D / 400 nits brightness / 24-bit color depth | 1000 nits peak brightness |
Operating system or software platform
Operating system or software platform
| OS Version | Compatible with Android 4.4 and iOS 9 and later | Proprietary Zepp OS 2.0 compatible with Android 7.0 and later and iOS version 12.0 and later |
|---|
Storage memory
Storage memory
| Internal Memory Capacity | 16MB, 512KB RAM | - |
|---|
Capabilities
Capabilities
| Other Features and Capabilities | Pedometer / Distance traveled measurement / Heart rate measurement / Calories burned calculation / Display turn-on by lifting hand / Sleep monitoring / Sedentary reminder / Xiao AI voice assistant (NFC China version only) / Microphone (NFC China version only) | 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 |
|---|---|---|
| Messaging Method | Received notification announcement / Display received messages and emails | Received notification announcement / Display text messages |
| Smart Sensors | 3-axis accelerometer, optical heart rate sensor, pedometer, 3-axis altimeter, watch wear detection sensor | Optical heart rate sensor with SpO2 (blood oxygen level) calculation capability, Accelerometer, Gyroscope, Geomagnetic sensor, Altimeter, Ambient light sensor |
Miscellaneous
Miscellaneous
| Available Color Options | Black, Brown, Blue, Orange, Pink | Black, Light Brown |
|---|---|---|
| Global Price Range | 25 dollar ($) \$ | - |
Aesthetic features
Aesthetic features
| Size and Dimensions | Unspecified / Not specified | 47.3 x 47.3 x 13.45 mm |
|---|---|---|
| Product Weight | Regular Version: 22.1 g / NFC Version: 22.2 g | 89g (with strap) |
Body material and design
Body material and design
| Other Body Features | Water resistant up to 50 meters deep | Stainless steel body / Plastic frame / Water resistant up to 10 ATM (100 meters deep) |
|---|---|---|
| Compatible SIM Card Types | - | No |
Battery capacity and performance
Battery capacity and performance
| Battery Type and Capacity | Non-removable 135 mAh Li-Po battery (standard version) / Non-removable 125 mAh Li-Po battery (NFC version) | Non-removable 500 mAh battery (fully charged in 2 hours) |
|---|---|---|
| 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) |
Audio features
Audio features
| Speaker Type | - | No |
|---|---|---|
| Alert Type | - | Vibrate |
Network connections
Network connections
| Communication Technologies | - | No cellular connectivity |
|---|
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User Review Comparison
Xiaomi Mi Band 4
User Rating Comparison
Xiaomi Mi Band 4
0.0
/10
from total 1 Vote
Amazfit T Rex Ultra
0.0
/10
from total 1 Vote
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