In depth comparison and review of Samsung Galaxy Watch 3 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 | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS 5.5 | Zepp OS |
| Supported Host Device OS | iOS 9 or later, Android 5.0 (Lollipop) or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | - | Speaker |
| Width | 41 mm | 36.5 mm |
| Height | 42.5 mm | 42.7 mm |
| Depth | 11.3 mm | 9.9 mm |
| Weight | 48.2 g | 27 g |
| Body Material | Stainless steel | Stainless steel, aluminium alloy frame |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, optical heart sensor, electrical heart sensor | 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, blood pressure | 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, ECG accurate heart rate, find phone function, VO2 max, automatic exercise recognition, Fall detection, Wireless PowerShare support | 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, social apps, incoming calls | SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Digital Player | MP3, WMA, WAV, AAC, AMR, MP4, OGG, 3GA, AWB, OGA | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 | Wi-Fi, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Type | Super AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 390 x 450 pixels |
| Screen Size | 1.2" | 1.75" |
| Aspect Ratio | Full circle | - |
| Pixel Density | - | 341 ppi |
| Screen Protection | Corning Gorilla Glass DX (scratch resistant glass) | Tempered glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Type | Touch sensitive screen, rotating bezel | Touch sensitive screen, push button |
|---|
| CASE | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Case Size | 41 mm | - |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Details | Mystic bronze | Mystic silver | Aluminium alloy |
| BAND | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 20 mm | 20 mm |
| Fits Wrist with Circumference | - | 140-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Leather | Fluoroelastomer |
| Band Colour | - | Infinite black | Misty white | Rosebud pink |
| STORAGE | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Storage Capacity | 8 GB | - |
|---|---|---|
| User Memory | 4.3 GB | 2.3 GB |
| RAM | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| RAM Size | 1 GB | - |
|---|
| CPU | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 9110 | - |
| Clock Speed | 1.15 GHz | - |
| BATTERY | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Capacity | 247 mAh | 300 mAh |
|---|---|---|
| Battery Life | 120 hours | - |
| Battery Life Details | Typical usage - up to 43 hour(s) Low usage - up to 120 hour(s) |
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) |
| Wireless Charging | Yes | - |
| Wireless Charging Standards | WPC | - |
| MISCELLANEOUS | Samsung Galaxy Watch 3 | Amazfit GTS 4 |
|---|
| Included Accessories | Wireless charging dock | Magnetic charging cable |
|---|---|---|
| Preloaded Software | - | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Compliant Standards | MIL-STD 810G, IP68 | - |
| SAR Value | 0.209 W/kg (head), 0.294 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Manufacturer Model Number | SM-R850 | - |
| Warranty | 2-year warranty | 1-year warranty |
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