In depth comparison and review of Suunto 9 and Amazfit GTR 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 | Suunto 9 | 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 |
| Width | 50 mm | - |
| Height | 50 mm | - |
| Depth | 16.8 mm | - |
| Weight | 81 g | - |
| Body Details | - | With band: 34 g |
| Body Material | Glass fibre reinforced polyamide | Aluminium alloy frame |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Suunto 9 | Amazfit GTR 4 |
|---|
| Sensors | Accelerometer, digital compass, barometric altimeter, optical heart sensor | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Calories burned, activity, sleep activity, heart rate, steps taken, stress level, sleep duration, recovery time, sleep quality score | 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 | VO2 max, Bluetooth Smart technology, alarm, countdown timer, weather information, Route guidance | 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 | 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 |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Suunto 9 | Amazfit GTR 4 |
|---|
| Wireless Interface | Bluetooth | Wi-Fi, Bluetooth 5.0 BLE |
|---|
| DISPLAY | Suunto 9 | Amazfit GTR 4 |
|---|
| Type | LED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 320 x 300 pixels | 466 x 466 pixels |
| Screen Size | - | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | - | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Suunto 9 | Amazfit GTR 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Suunto 9 | Amazfit GTR 4 |
|---|
| Crystal Type | Sapphire crystal | - |
|---|---|---|
| Case Shape | Round | Circular |
| Bezel | Stainless steel | - |
| Case Back | - | Polycarbonate |
| Case Details | White | Aluminium alloy |
| BAND | Suunto 9 | Amazfit GTR 4 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 24 mm | 22 mm |
| Fits Wrist with Circumference | 130-220 mm | 150-215 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | White | Superspeed black | Vintage brown leather |
| STORAGE | Suunto 9 | Amazfit GTR 4 |
|---|
| User Memory | - | 2.3 GB |
|---|
| BATTERY | Suunto 9 | Amazfit GTR 4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 475 mAh |
| Battery Life | 14 day(s) | - |
| Battery Life Details | Watch mode - up to 14 days Activity tracking mode - up to 7 days Training mode/GPS on - up to 170 hours |
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 | Suunto 9 | Amazfit GTR 4 |
|---|
| Included Accessories | Charging cable | Magnetic charging cable |
|---|---|---|
| Preloaded Software | SuuntoPlus | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Compliant Standards | MIL-STD 810H | - |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | 55 °C | 45 °C |
| Min Operating Temperature | -20 °C | 0 °C |
| Warranty | 2-year warranty | 1-year warranty |
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