In depth comparison and review of Garmin fēnix 7 Sapphire Solar 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 fēnix 7 Sapphire Solar | 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 | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | - | 36.5 mm |
| Height | - | 42.7 mm |
| Depth | - | 9.9 mm |
| Weight | - | 27 g |
| Body Details | With silicone band: 73 g Case only: 50 g |
- |
| Body Material | Titanium, fibre-reinforced polymer | Stainless steel, aluminium alloy frame |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin fēnix 7 Sapphire Solar | Amazfit GTS 4 |
|---|
| Sensors | Accelerometer, thermometre, gyro sensor, barometric altimeter, electromagnetic compass, optical heart sensor, Pulse Ox sensor | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, speed, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, pace, stress level, respiratory rate, active time, water balance, temperature | 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, find phone function, VIRB control, inactivity alert, Move IQ, Find my Device, Downloadable workouts, store & play music, rejecting a call, LiveTrack, Physio TrueUp, PacePro pace guidance, solar charging, animated workouts, weather information, dual grid coordinates format, Body Battery Energy Monitor | 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, SMS, Email, social apps, incoming calls, high and low heart rate | 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 | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | - |
| Payment Technology | Garmin Pay | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Garmin fēnix 7 Sapphire Solar | Amazfit GTS 4 |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, ANT+ | Wi-Fi, Bluetooth 5.0 |
|---|
| DISPLAY | Garmin fēnix 7 Sapphire Solar | Amazfit GTS 4 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 260 x 260 pixels | 390 x 450 pixels |
| Screen Size | 1.3" | 1.75" |
| Pixel Density | - | 341 ppi |
| Screen Protection | Power Sapphire | Tempered glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin fēnix 7 Sapphire Solar | Amazfit GTS 4 |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen, push button |
|---|
| CASE | Garmin fēnix 7 Sapphire Solar | Amazfit GTS 4 |
|---|
| Case Size | 47 mm | - |
|---|---|---|
| Case Shape | Round | Rectangular |
| Bezel | Titanium | - |
| Case Back | Metal | - |
| Case Details | Titanium carbon grey DLC | Mineral blue titanium | Titanium | Titanium black DLC | Aluminium alloy |
| BAND | Garmin fēnix 7 Sapphire Solar | Amazfit GTS 4 |
|---|
| Band Type | Vented bracelet | Strap |
|---|---|---|
| Band Width | 22 mm | 20 mm |
| Fits Wrist with Circumference | 132-215 mm | 140-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Butterfly | Pin buckle |
| Band Material | Titanium | Fluoroelastomer |
| Band Colour | Titanium carbon grey DLC | Black | Whitestone | Chestnut | Infinite black | Misty white | Rosebud pink |
| STORAGE | Garmin fēnix 7 Sapphire Solar | Amazfit GTS 4 |
|---|
| Storage Capacity | 32 GB | - |
|---|---|---|
| User Memory | - | 2.3 GB |
| BATTERY | Garmin fēnix 7 Sapphire Solar | Amazfit GTS 4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 300 mAh |
| Battery Life Details | Smartwatch mode - up to 18 days Smartwatch mode (with solar) - up to 22 days Battery Saver Watch Mode - up to 57 days Battery Saver Watch Mode (with solar) - up to 173 days GPS mode - up to 57 hour(s) GPS mode (with solar) - up to 73 hour(s) All satellite systems mode - up to 40 hours All satellite systems mode (with solar) - up to 48 hours All satellite systems with music mode - up to 10 hour(s) Max Battery GPS Mode - up to 136 hour(s) Max Battery GPS Mode (with solar) - up to 289 hour(s) Expedition GPS Mode - up to 40 days Expedition GPS Mode (with solar) - up to 74 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 fēnix 7 Sapphire Solar | Amazfit GTS 4 |
|---|
| Included Accessories | Silicon wristband, charging/data cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | - | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| SAR Value | 0.3 W/kg (body), 0.3 W/kg (limb) | - |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | 45 °C | 45 °C |
| Min Operating Temperature | -20 °C | 0 °C |
| Warranty | - | 1-year warranty |
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