In depth comparison and review of Samsung Gear S2 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 Gear S2 | Amazfit GTS 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | Zepp OS |
| Supported Host Device OS | Android 4.4 (KitKat) 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 | 39.9 mm | 36.5 mm |
| Height | 43.6 mm | 42.7 mm |
| Depth | 11.4 mm | 9.9 mm |
| Weight | 42 g | 27 g |
| Body Material | Stainless steel | Stainless steel, aluminium alloy frame |
| Protection | Dustproof, waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, heart rate | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, heart rate, steps taken, water vs. caffeine intake | 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 |
| Features | Call handling, find phone function, voice control | 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 | 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 |
| Digital Player | MP3, AAC, M4A, OGG, AAC +, eAAC+ | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Messaging Services | LINE, SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, NFC, Bluetooth 4.1 | Wi-Fi, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Gear S2 | 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 | 302 ppi | 341 ppi |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | - | Rectangular |
| Case Details | Black | Rose gold | Blue black | Aluminium alloy |
| BAND | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 20 mm | 20 mm |
| Fits Wrist with Circumference | - | 140-200 mm |
| Changeable | - | Yes |
| Clasp Type | - | Pin buckle |
| Band Material | Leather | Fluoroelastomer |
| Band Colour | Black | Ivory | Infinite black | Misty white | Rosebud pink |
| STORAGE | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Storage Capacity | 4 GB | - |
|---|---|---|
| User Memory | 1.9 GB | 2.3 GB |
| RAM | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos 3250 | - |
| Clock Speed | 1 GHz | - |
| BATTERY | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | 250 mAh | 300 mAh |
| Battery Life | 3 day(s) | - |
| Battery Life Details | Low usage - up to 4 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 |
| Recharge Time | - | 2 hour(s) |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Samsung Gear S2 | Amazfit GTS 4 |
|---|
| Included Accessories | Power adapter, wireless charging dock | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Contacts, E-mail, Messages, Music Player, Twitter, Samsung Apps, News, Gallery, Weather, S Voice, S Health, Notification Center, Nike+ Running | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Compliant Standards | IP68 | - |
| Max Depth of Water Resistance | - | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Manufacturer Model Number | SM-R732 | - |
| Warranty | - | 1-year warranty |
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