In depth comparison and review of Garmin Forerunner 55 and Amazfit GTS 4. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | iOS, Android | 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 | 36.5 mm |
| Height | 42 mm | 42.7 mm |
| Depth | 11.6 mm | 9.9 mm |
| Weight | 37 g | 27 g |
| Body Material | - | Stainless steel, aluminium alloy frame |
| Protection | Waterproof | Water-resistant |
| Colours | Monterra grey | - |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| Sensors | Accelerometer, optical heart sensor | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | 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, idle alert, Garmin Connect compatible, Body Battery | 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, instant message reply, PeakBeats workout status algorithm, ExerSense algorithm, Dual-band navigation, linear motor, Virtual Pacer, track run mode, smart trajectory correction, route file import |
| Notifications | Calendar, Email, 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 |
| Navigation (GPS) | GPS receiver | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| Wireless Interface | Bluetooth, ANT+ | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | 390 x 450 pixels |
| Screen Size | 1.04" | 1.75" |
| Pixel Density | - | 341 ppi |
| Screen Protection | Chemically strengthened glass | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| Type | Touch buttons | Touch sensitive screen, push button |
|---|
| CASE | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| Case Shape | Round | Rectangular |
|---|---|---|
| Case Details | Black | White | Aqua green | Aluminium alloy |
| BAND | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | - | 140-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | Black | White | Aqua green | Infinite black | Misty white | Rosebud pink |
| STORAGE | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| User Memory | - | 2.3 GB |
|---|
| BATTERY | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| Capacity | - | 300 mAh |
|---|---|---|
| Battery Life | 14 day(s) | - |
| Battery Life Details | GPS mode - up to 20 hour(s) Smartwatch mode - up to 14 days |
Typical usage - up to 8 days Battery Saver Watch Mode - up to 16 days Clock - up to 30 days Heavy usage - up to 4 days Accurate mode (with GPS) - up to 16 hours GPS mode - up to 28 hours Power saving mode (with GPS) - up to 33 hours |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Garmin Forerunner 55 | Amazfit GTS 4 |
|---|
| Included Accessories | Charging/data cable | 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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