Detailed comparison and review of Garmin epix Gen 2 Sapphire and Amazfit GTR 4. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | Garmin epix Gen 2 Sapphire | Amazfit GTR 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 |
| Body Details | With band: 70 g Case only: 47 g |
With band: 34 g |
| Body Material | Titanium, fibre-reinforced polymer | Aluminium alloy frame |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin epix Gen 2 Sapphire | Amazfit GTR 4 |
|---|
| Sensors | Accelerometer, barometer, altimeter, optical heart sensor, 3-axis electronic compass | 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 | 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, 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, 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, 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 epix Gen 2 Sapphire | Amazfit GTR 4 |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, ANT+ | Wi-Fi, Bluetooth 5.0 BLE |
|---|
| DISPLAY | Garmin epix Gen 2 Sapphire | Amazfit GTR 4 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 416 x 416 pixels | 466 x 466 pixels |
| Screen Size | 1.3" | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Sapphire glass | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Garmin epix Gen 2 Sapphire | Amazfit GTR 4 |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen, push buttons |
|---|
| CASE | Garmin epix Gen 2 Sapphire | Amazfit GTR 4 |
|---|
| Case Shape | Round | Circular |
|---|---|---|
| Case Back | Titanium | Polycarbonate |
| Case Details | Black titanium | White titanium | Aluminium alloy |
| BAND | Garmin epix Gen 2 Sapphire | Amazfit GTR 4 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 22 mm | 22 mm |
| Fits Wrist with Circumference | 125-208 mm | 150-215 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | - | Superspeed black | Vintage brown leather |
| STORAGE | Garmin epix Gen 2 Sapphire | Amazfit GTR 4 |
|---|
| Storage Capacity | 32 GB | - |
|---|---|---|
| User Memory | - | 2.3 GB |
| BATTERY | Garmin epix Gen 2 Sapphire | Amazfit GTR 4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 475 mAh |
| Battery Life Details | Smartwatch mode - up to 16 days Battery Saver Watch Mode - up to 21 days GPS mode - up to 42 hour(s) All satellite systems mode - up to 32 hours All satellite systems with music mode - up to 10 hour(s) Max Battery GPS Mode - up to 75 hour(s) Expedition GPS Mode - up to 14 days |
Typical usage - up to 14 days Battery Saver Watch Mode - up to 24 days Clock - up to 50 days Heavy usage - up to 7 days Accurate mode (with GPS) - up to 25 hours GPS mode - up to 44 hours Power saving mode (with GPS) - up to 52 hours |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Garmin epix Gen 2 Sapphire | Amazfit GTR 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 |
| SAR Value | 0.32 W/kg (body), 0.28 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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