Samsung Galaxy Watch Ultra 2 vs Samsung Galaxy Watch 4 (40mm) comparison
        
        
            
                
                    
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                    | key specs | 
| Display Type | Super AMOLED | AMOLED | 
| Ideal For | Unisex | Unisex | 
| Strap Colour | - | Black, Pink Gold, Silver | 
| Display Size | - | 40mm | 
| Compatible OS | - | Android | 
| Dial Shape | - | Round | 
| general | 
| Brand | Samsung | Samsung | 
| Model | Galaxy Watch Ultra 2 | Galaxy Watch 4 (40mm) | 
| Release date | January 1, 1970 | August 11, 2021 | 
| Model Name | Galaxy Watch Ultra 2 | Galaxy Watch 4 | 
| Size | Regular | Regular | 
| Touchscreen | 1.5 | Yes | 
| Water Resistant | 10 ATM | IP68 | 
| Usage | Regular | - | 
| Ideal For | Unisex | Unisex | 
| Dial Shape | - | Round | 
| Interchangeable Strap | - | Yes | 
| Water Resistance Depth | - | 5 ATM | 
| Dial Material | - | Aluminium | 
| Strap Colour | - | Black, Pink Gold, Silver | 
| Dial Colour | - | Black, Pink Gold, Silver | 
| dimensions | 
| Width | 47.4 | 40.4 | 
| Height | 47.1 | 39.3 | 
| Thickness | 12.1 | 9.8 | 
| Weight (g) | 60.50 | 25.90 | 
| product details | 
| Sensor | Antioxidant Index, Accelerometer, Altimeter, Gyroscope, Light Sensor, Geomagnetic Sensor, PPG Sensor, ECG Sensor, BIA Sensor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | 
| Battery Type | 590mAh | - | 
| Battery Life | 48 hours | - | 
| Rechargeable Battery | Yes | Yes | 
| Compatible Device | - | Android | 
| Notification | - | Yes | 
| connectivity features | 
| Bluetooth | Yes | Yes | 
| Bluetooth Version | - | 5.0 | 
| Wi-Fi | - | Yes | 
| GPS | - | Yes | 
| platform and storage features | 
| RAM | 2GB | 1.5GB | 
| Processor Name | Samsung Exynos W1000 SoC | Exynos W920 | 
| Internal Memory | 64GB | 16GB | 
| Operating System | - | One UI Watch 3 | 
| Compatible Operating System | - | Android | 
| camera and display features | 
| Display Type | Super AMOLED | AMOLED | 
| Other Display Features | 3,000 nits peak brightness level | - | 
| Display Resolution | - | 396x396 | 
| Display Size | - | 40mm | 
| Scratch Resistant | - | Yes, Gorilla Glass DX | 
| fitness and watch functions | 
| Step Count | Yes | Yes | 
| Heart Rate Monitor | Yes | Yes | 
| Calendar | Yes | Yes | 
| Alarm Clock | Yes | Yes | 
| Date & Time Display | Yes | Yes | 
| Language | English | English | 
| Number of Buttons | 1 | 2 | 
| Calorie Count | - | Yes | 
| Compass | - | Yes | 
| Other Watch Functions | - | Heart rate, blood oxygen, SpO2 Sensor | 
| audio and video features | 
| Speaker | - | Yes | 
                
            
            
         
        
     
    
        
               
            
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