Xiaomi Watch S2 vs Xiaomi Watch S1 comparison
        
        
            
                
                    
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                    | key specs | 
| Strap Colour | Black, Light Gold and Silver | Black Viton, Brown Leather, Blue Leather | 
| Display Size | 42mm | 36mm | 
| Compatible OS | Android, iOS | - | 
| Strap Material | Leather | - | 
| Dial Shape | Round | Round | 
| Display Type | AMOLED | AMOLED | 
| Ideal For | Unisex | Unisex | 
| general | 
| Brand | Xiaomi | Xiaomi | 
| Model | Watch S2 | Watch S1 | 
| Release date | January 10, 2022 | December 28, 2021 | 
| Model Name | Xiaomi Watch S2 | - | 
| Dial Colour | Black | Silver | 
| Dial Shape | Round | Round | 
| Strap Colour | Black, Light Gold and Silver | Black Viton, Brown Leather, Blue Leather | 
| Strap Material | Leather | - | 
| Size | Large | Regular | 
| Touchscreen | Yes | Yes | 
| Interchangeable Strap | Yes | Yes | 
| Water Resistant | Yes | Yes | 
| Water Resistance Depth | 5ATM | 5ATM | 
| Usage | Fitness & Outdoor | - | 
| Ideal For | Unisex | Unisex | 
| Model Number | - | M2108W1 | 
| Dial Material | - | Stainless steel | 
| product details | 
| Closure | Strap Buckle | - | 
| Sensor | Blood Oxygen Monitor, Heart Rate Monitor | Heart rate sensor, SpO2 sensor, acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor | 
| Compatible Device | Android, iOS | Android, iPhone | 
| Notification | Message | Yes | 
| Battery Type | 305 | Li-ion polymer | 
| Battery Life | 12 Days | 12 days | 
| Rechargeable Battery | Yes | - | 
| connectivity features | 
| Call Function | Yes | Yes | 
| Bluetooth | Yes | Bluetooth | 
| Bluetooth Version | 5.2 | v5.2 | 
| GPS | Yes | Yes | 
| Third Party App Support | Yes | - | 
| Call Features | call, answer, reject and mute calls | Yes | 
| Other Connectivity Features | Notifications | - | 
| Wi-Fi | - | Yes | 
| Messaging Support | - | Yes | 
| platform and storage features | 
| Operating System | MIUI Watch OS | - | 
| Compatible Operating System | Android, iOS | - | 
| camera and display features | 
| Display Resolution | 466X466 | 466x466 | 
| Display Size | 42mm | 36mm | 
| Display Type | AMOLED | AMOLED | 
| Other Display Features | Touch Screen | - | 
| Backlight Display | - | Yes | 
| fitness and watch functions | 
| Step Count | Yes | Yes | 
| Heart Rate Monitor | Yes | Yes | 
| Compass | Yes | - | 
| Calendar | Yes | Yes | 
| Alarm Clock | Yes | Yes | 
| Date & Time Display | Yes | Yes | 
| Calorie Count | - | Yes | 
| Chronograph | - | Yes | 
| Language | - | Simplified Chinese | 
| Number of Buttons | - | 2 | 
| Other Fitness Features | - | 117 sports modes | 
| dimensions | 
| Width | - | 46.5 | 
| Height | - | 46.5 | 
| Thickness | - | 11 | 
| audio and video features | 
| Speaker | - | Yes | 
| Microphone | - | Yes | 
                
            
            
         
        
     
    
        
                            
                   
            
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