Amazfit GTS 4 vs Fitbit Ionic comparison
        
        
            
                
                    
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                    | key specs | 
| Dial Shape | Rectangle | - | 
| Display Size | - | 32mm | 
| Compatible OS | - | Android, iOS | 
| Strap Material | - | Elastomer | 
| Ideal For | - | Unisex | 
| general | 
| Brand | Amazfit | Fitbit | 
| Model | GTS 4 | Ionic | 
| Release date | September 1, 2022 | August 1, 2017 | 
| Dial Shape | Rectangle | - | 
| Size | Regular | Regular | 
| Touchscreen | Yes | Yes | 
| Water Resistant | 5ATM | Yes | 
| Strap Material | - | Elastomer | 
| Water Resistance Depth | - | 50 metres | 
| Ideal For | - | Unisex | 
| dimensions | 
| Width | 42.7mm | - | 
| Height | 36.5mm | - | 
| Thickness | 9.9mm | - | 
| Weight (g) | 27.00 | 303.30 | 
| product details | 
| Sensor | BioTracker 4.0 PPG, Acceleration sensor, Gyroscope, Geomagnetic sensor, Barometric altimeter, Ambient light sensor | 3-axis Accelerometer, 3-axis Gyroscope, Optical Heart Rate Sensor, Altimeter, Ambient Light Sensor | 
| Battery Life | 8 days | - | 
| Charge Time | 2 hours | 120 minutes | 
| Charger Type | Magnetic Charger | - | 
| Compatible Device | - | Android, iPhone | 
| Notification | - | Yes | 
| Notification Type | - | Vibration | 
| Battery Type | - | Lithium Polymer | 
| Stand By Time | - | Upto 6 Days | 
| Rechargeable Battery | - | Yes | 
| connectivity features | 
| Call Function | Yes | - | 
| Bluetooth | Yes | Yes | 
| Bluetooth Version | v5.0 | - | 
| Wi-Fi | Yes | Yes | 
| GPS | Yes | Yes | 
| Third Party App Support | Yes | - | 
| Call Features | Make Calls, Reject Calls | - | 
| Other Connectivity Features | - | NFC | 
| platform and storage features | 
| Operating System | Zepp OS 2.0 | Fitbit OS | 
| Compatible Operating System | - | Android, iOS | 
| fitness and watch functions | 
| Step Count | Yes | Yes | 
| Heart Rate Monitor | Yes | Yes | 
| Other Fitness Features | Over 150 Sports Modes, Automatic Recognition | - | 
| Calorie Count | - | Yes | 
| Calendar | - | Yes | 
| Alarm Clock | - | Yes | 
| Chronograph | - | Yes | 
| Date & Time Display | - | Yes | 
| Number of Buttons | - | 3 | 
| camera and display features | 
| Display Resolution | - | 240x180 | 
| Display Size | - | 32mm | 
                
            
            
         
        
     
    
        
                            
                   
            
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