Amazfit Active 2 Square vs Samsung Galaxy Watch 4 (40mm) comparison
        
        
            
                
                    
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                    | key specs | 
| Display Size | 44mm | 40mm | 
| Compatible OS | Android and iOS | Android | 
| Dial Shape | Square | Round | 
| Display Type | AMOLED | AMOLED | 
| Ideal For | Unisex | Unisex | 
| Strap Colour | - | Black, Pink Gold, Silver | 
| general | 
| Brand | Amazfit | Samsung | 
| Model | Active 2 Square | Galaxy Watch 4 (40mm) | 
| Release date | June 17, 2025 | August 11, 2021 | 
| Model Name | Amazfit Active 2 Square | Galaxy Watch 4 | 
| Dial Colour | Black | Black, Pink Gold, Silver | 
| Dial Shape | Square | Round | 
| Size | Regular | Regular | 
| Touchscreen | 1.75 | Yes | 
| Water Resistant | 5 ATM | IP68 | 
| Usage | Regular | - | 
| Dial Material | Stainless Steel | Aluminium | 
| Ideal For | Unisex | Unisex | 
| Interchangeable Strap | - | Yes | 
| Water Resistance Depth | - | 5 ATM | 
| Strap Colour | - | Black, Pink Gold, Silver | 
| dimensions | 
| Width | 43.32 | 40.4 | 
| Height | 36.9 | 39.3 | 
| Thickness | 9 | 9.8 | 
| Weight (g) | 31.40 | 25.90 | 
| product details | 
| Sensor | BioTracker 6.0 PPG biometric sensor, Acceleration, Gyroscope, Ambient light, Geomagnetic, Temperature, Barometric altimeter | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | 
| Battery Type | 260 | - | 
| Battery Life | 10 days | - | 
| Compatible Device | - | Android | 
| Notification | - | Yes | 
| Rechargeable Battery | - | Yes | 
| connectivity features | 
| Call Function | Yes | - | 
| Bluetooth | Yes | Yes | 
| Bluetooth Version | 5.2 | 5.0 | 
| GPS | Yes | Yes | 
| Messaging Support | Yes | - | 
| Call Features | Yes | - | 
| Wi-Fi | - | Yes | 
| platform and storage features | 
| Compatible Operating System | Android and iOS | Android | 
| Operating System | - | One UI Watch 3 | 
| RAM | - | 1.5GB | 
| Processor Name | - | Exynos W920 | 
| Internal Memory | - | 16GB | 
| camera and display features | 
| Display Resolution | 390x450 | 396x396 | 
| Display Size | 44mm | 40mm | 
| Display Type | AMOLED | AMOLED | 
| Scratch Resistant | - | Yes, Gorilla Glass DX | 
| fitness and watch functions | 
| Step Count | Yes | Yes | 
| Calorie Count | Yes | Yes | 
| Heart Rate Monitor | Yes | Yes | 
| Compass | Yes | Yes | 
| Calendar | Yes | Yes | 
| Alarm Clock | Yes | Yes | 
| Date & Time Display | Yes | Yes | 
| Language | English | English | 
| Number of Buttons | - | 2 | 
| Other Watch Functions | - | Heart rate, blood oxygen, SpO2 Sensor | 
| audio and video features | 
| Speaker | - | Yes | 
                
            
            
         
        
     
    
        
               
            
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