In depth comparison and review of Garmin Forerunner 235 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 235 | Amazfit GTS 4 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | - | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | Running, cycling | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 45 mm | 36.5 mm |
| Height | 45 mm | 42.7 mm |
| Depth | 11.7 mm | 9.9 mm |
| Weight | 42 g | 27 g |
| Body Material | - | Stainless steel, aluminium alloy frame |
| Protection | Water-resistant | Water-resistant |
| Colours | Black, marsala red | Black and grey | Frost blue | - |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 235 | 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 | 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 | Find phone function, VO2 max, idle alert, HR zones, VIRB control, inactivity alert, Garmin Elevate, LiveTrack, TrueUp, auto pause, auto lap, music playback control, voice instructions | 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 | - | 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/GLONASS receiver | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Garmin Forerunner 235 | Amazfit GTS 4 |
|---|
| Wireless Interface | - | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | Garmin Forerunner 235 | Amazfit GTS 4 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 215 x 180 pixels | 390 x 450 pixels |
| Screen Size | 1.23" | 1.75" |
| Pixel Density | - | 341 ppi |
| Screen Protection | Chemically strengthened glass | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 235 | Amazfit GTS 4 |
|---|
| Type | - | Touch sensitive screen, push button |
|---|
| CASE | Garmin Forerunner 235 | Amazfit GTS 4 |
|---|
| Case Shape | Round | Rectangular |
|---|---|---|
| Case Details | - | Aluminium alloy |
| BAND | Garmin Forerunner 235 | Amazfit GTS 4 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | - | 140-200 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | Grey | Infinite black | Misty white | Rosebud pink |
| STORAGE | Garmin Forerunner 235 | Amazfit GTS 4 |
|---|
| User Memory | - | 2.3 GB |
|---|
| BATTERY | Garmin Forerunner 235 | Amazfit GTS 4 |
|---|
| Capacity | - | 300 mAh |
|---|---|---|
| Battery Life Details | GPS mode - up to 11 hour(s) Smartwatch mode - up to 9 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 235 | Amazfit GTS 4 |
|---|
| Included Accessories | Charging/data cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Calendar, Alarm, Weather, Timer, Find My Phone, Garmion Connect IQ | 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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