boAt Ultima Ember vs Vivo Watch (42mm) comparison
        
        
            
                
                    
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                    | key specs | 
| Dial Shape | Rectangle | Round | 
| Display Type | AMOLED | AMOLED | 
| Ideal For | Unisex | - | 
| Strap Colour | - | Brown, Orange | 
| Display Size | - | 42mm | 
| Compatible OS | - | Android, iOS | 
| general | 
| Brand | boAt | Vivo | 
| Model | Ultima Ember | Watch (42mm) | 
| Release date | February 22, 2025 | September 22, 2020 | 
| Dial Shape | Rectangle | Round | 
| Touchscreen | 1.96 | Yes | 
| Water Resistant | IP68 | 5 ATM | 
| Usage | Regular | - | 
| Ideal For | Unisex | - | 
| Model Name | - | Watch | 
| Size | - | Regular | 
| Interchangeable Strap | - | Yes | 
| Dial Material | - | Stainless Steel | 
| Strap Colour | - | Brown, Orange | 
| Dial Colour | - | Mocha Brown, Black | 
| product details | 
| Sensor | heart rate, SpO2, steps, sleep tracker | 5-core Optical heart rate monitor, Blood Oxygen sensor, Accelerometer, Gyroscope, Air pressure sensor, Altitude sensor, Ambient Light sensor, Geomagnetic sensor | 
| Battery Type | 300mAh | - | 
| Battery Life | 15 days | 9 days | 
| Compatible Device | - | Android, iOS | 
| Notification | - | Yes | 
| Charger Type | - | Magnetic | 
| Rechargeable Battery | - | Yes | 
| connectivity features | 
| Call Function | Yes | - | 
| Bluetooth | Yes | Yes | 
| Bluetooth Version | - | 5.0 | 
| Wi-Fi | - | Yes | 
| GPS | - | Yes | 
| Other Connectivity Features | - | Glonass, Galileo, Beidou | 
| camera and display features | 
| Display Resolution | 368 x 448 | 390x390 | 
| Display Type | AMOLED | AMOLED | 
| Other Display Features | Always-On Display | - | 
| Display Size | - | 42mm | 
| fitness and watch functions | 
| Step Count | Yes | Yes | 
| Heart Rate Monitor | Yes | Yes | 
| Calendar | Yes | Yes | 
| Date & Time Display | Yes | Yes | 
| Language | English | - | 
| Calorie Count | - | Yes | 
| Compass | - | Yes | 
| Alarm Clock | - | Yes | 
| Number of Buttons | - | 2 | 
| Other Fitness Features | - | Intelligent exercise recognition, outdoor running, indoor running, outdoor walking, swimming, cycling, indoor cycling, mountain climbing, trail running, elliptical machine, free training, high-intensity interval training | 
| audio and video features | 
| Speaker | Yes | - | 
| Microphone | Yes | - | 
| dimensions | 
| Width | - | 42 | 
| Height | - | 42 | 
| Thickness | - | 9.7 | 
| Weight (g) | - | 35.60 | 
| platform and storage features | 
| Compatible Operating System | - | Android, iOS | 
| RAM | - | 2GB | 
| Processor Name | - | ST miniature main control chip + Apollo ultra-low power coprocessor | 
                
            
            
         
        
     
    
        
               
            
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