Side by side comparison and review of Fitbit Ionic and Amazfit GTR 4. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Fitbit Ionic | Amazfit GTR 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | iOS, Android, Windows Phone | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 38.6 mm | - |
| Height | 12.4 mm | - |
| Lenght | 256.5 mm | - |
| Depth | 12.4 mm | - |
| Weight | 50 g | - |
| Body Details | - | With band: 34 g |
| Body Material | Aerospace-grade aluminium | Aluminium alloy frame |
| Protection | Water-resistant | Water-resistant |
| Colours | Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey | - |
| Clock Display | - | Yes |
| FEATURES | Fitbit Ionic | Amazfit GTR 4 |
|---|
| Sensors | Accelerometer, altimeter, heart rate | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, pace, sleep stages, swim laps, active time | Time, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, sleep stages, stress level, menstrual cycle, personal activity intelligence (PAI), recovery time, training load, sleep quality score, nap, sleep breathing quality |
| Modes | - | 154 sports modes |
| Goal Setting | Yes | Yes |
| Features | PurePulse heart rate technology, automatic exercise recognition, SmartTrack | Strength training guidance, camera remote control, find phone function, answering a call, VO2 max, making a call, Find my Device, breathing training function, store & play music, sunrise/sunset times, auto pause, auto lap, realtime location tracking, music playback control, weather information, PeakBeats workout status algorithm, ExerSense algorithm, Dual-band navigation, linear motor, Virtual Pacer, track run mode, smart trajectory correction, route file import |
| Notifications | Missed calls, calendar, SMS, social apps | SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Fitbit Ionic | Amazfit GTR 4 |
|---|
| Wireless Interface | Bluetooth, IEEE 802.11b/g/n, NFC | Wi-Fi, Bluetooth 5.0 BLE |
|---|
| DISPLAY | Fitbit Ionic | Amazfit GTR 4 |
|---|
| Type | LCD - colour | AMOLED - colour |
|---|---|---|
| Resolution | - | 466 x 466 pixels |
| Screen Size | - | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Fitbit Ionic | Amazfit GTR 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Fitbit Ionic | Amazfit GTR 4 |
|---|
| Case Shape | - | Circular |
|---|---|---|
| Case Back | - | Polycarbonate |
| Case Details | Silver grey aluminium | Aluminium alloy |
| BAND | Fitbit Ionic | Amazfit GTR 4 |
|---|
| Band Type | Sport band | Strap |
|---|---|---|
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | - | 150-215 mm |
| Changeable | - | Yes |
| Clasp Type | - | Pin buckle |
| Band Material | - | Fluoroelastomer |
| Band Colour | Ink blue/ice grey | Superspeed black | Vintage brown leather |
| STORAGE | Fitbit Ionic | Amazfit GTR 4 |
|---|
| User Memory | - | 2.3 GB |
|---|
| BATTERY | Fitbit Ionic | Amazfit GTR 4 |
|---|
| Capacity | - | 475 mAh |
|---|---|---|
| Battery Life | 4 day(s) | - |
| Battery Life Details | - | Typical usage - up to 14 days Battery Saver Watch Mode - up to 24 days Clock - up to 50 days Heavy usage - up to 7 days Accurate mode (with GPS) - up to 25 hours GPS mode - up to 44 hours Power saving mode (with GPS) - up to 52 hours |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Fitbit Ionic | Amazfit GTR 4 |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | Magnetic charging cable |
|---|---|---|
| Preloaded Software | - | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Warranty | 1-year warranty | 1-year warranty |
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