Side by side comparison and review of Fitbit Blaze 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 Blaze | 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 | 42 mm | - |
| Weight | 44 g | - |
| Body Details | - | With band: 34 g |
| Body Material | Stainless steel | Aluminium alloy frame |
| Protection | Weatherproof, splashproof, sweatproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Blaze | Amazfit GTR 4 |
|---|
| Sensors | Ambient light sensor, altimeter, 3-axis accelerometer | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed | 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 | Music remote handling, HR zones, PurePulse heart rate technology, automatic exercise recognition, changeable frame | 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 | 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 Blaze | Amazfit GTR 4 |
|---|
| Wireless Interface | Bluetooth 4.0 | Wi-Fi, Bluetooth 5.0 BLE |
|---|
| DISPLAY | Fitbit Blaze | Amazfit GTR 4 |
|---|
| Type | LCD - colour | AMOLED - colour |
|---|---|---|
| Resolution | - | 466 x 466 pixels |
| Screen Size | - | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | - | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Fitbit Blaze | Amazfit GTR 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Fitbit Blaze | Amazfit GTR 4 |
|---|
| Case Shape | - | Circular |
|---|---|---|
| Case Back | - | Polycarbonate |
| Case Details | Gold | Gunmetal | Aluminium alloy |
| BAND | Fitbit Blaze | Amazfit GTR 4 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Size | S | - |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 140-170 mm | 150-215 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Elastomer | Fluoroelastomer |
| Band Colour | Slim pink | Black | Blue | Plum | Superspeed black | Vintage brown leather |
| STORAGE | Fitbit Blaze | Amazfit GTR 4 |
|---|
| User Memory | - | 2.3 GB |
|---|
| BATTERY | Fitbit Blaze | Amazfit GTR 4 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | - | 475 mAh |
| Battery Life | 5 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) | 2 hour(s) |
| MISCELLANEOUS | Fitbit Blaze | Amazfit GTR 4 |
|---|
| Included Accessories | USB charging cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Clock, Silent alarm | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Max Depth of Water Resistance | 10 m | 50 m |
| Max Operating Temperature | 60 °C | 45 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Warranty | 1-year warranty | 1-year warranty |
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