Samsung Galaxy Watch 7 (40mm) vs OnePlus Watch 3 Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| Samsung Galaxy Watch 7 (40mm) | OnePlus Watch 3 | 
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                                    Released
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                                                Jul 24, 2024
                                    
             
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                                    Released
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                                                Mar 03, 2025
                                    
             
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                                                1.3-inch · 432x432px
                                    
             
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                                                1.5-inch · 466x466px
                                    
             
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                                                2GB · 32GB
                                    
             
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                                                2GB · 32GB
                                    
             
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                                                300 mAh
                                    
             
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                                                648 mAh
                                    
             
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| Check prices | Check prices | 
Availability
| Officially announced | |
|---|---|
| Feb 18, 2025 | |
| Prices (MSRP) | |
| $329 | |
Design
| Dimensions | |
|---|---|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 1.59 x 1.59 x 0.38 inches  40.4 x 40.4 x 9.7mm  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1.87 x 1.83 x 0.46 inches  47.6 x 46.6 x 11.8 mm  | 
        
                                    
| Weight | |
| 1.02 oz / 28.8 g | 1.75 oz / 49.7 g | 
| Materials | |
| Back: Aluminum |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Back: Plastic Frame: Stainless steel  | 
        
                                    
| Resistance | |
| Water (up to 5 meters), Dust; IP68; MIL-STD-810 certified | 50m/5ATM water resistance; IP68; MIL-STD-810 certified | 
| Colors | |
| Black titanium, Silver titanium | |
Display
| Size | |
|---|---|
| 1.3-inch | 1.5-inch | 
| Type | |
| Super AMOLED | AMOLED, 2200 nits | 
| Resolution | |
| 432x432px, 470 PPI | 466x466px, 439 PPI | 
| Protection | |
| Sapphire | Sapphire | 
Hardware
| System chip | |
|---|---|
| Exynos W1000 (3 nm) | Snapdragon W5 Gen 1 (4 nm) | 
| Processor | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Quad-core 1.7GHz Cortex-A53  | 
        
                                    |
| GPU | |
| Adreno 702 | |
| Memory | |
| 2GB/32GB | 2GB/32GB | 
| Storage expansion | |
| not expandable | |
| OS | |
| Wear OS | Wear OS | 
Battery
| Type | |
|---|---|
| 300 mAh | 648 mAh | 
| Charge speed | |
| Wired: 7.5W | |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.3 | 5.2 | 
| WLAN | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 a,b,g,n,ac 802.11 a, b, g, n, ac  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        a,b,g,n 802.11 a, b, g, n  | 
| Sensors | |
| Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen, Ambient light sensor | Accelerometer, Gyroscope, Compass, Heart rate, Blood Oxygen, Ambient light sensor | 
| Location | |
| Glonass, Galileo, BeiDou | GPS, Glonass, Galileo, BeiDou, QZSS | 
| Other | |
| NFC | NFC | 
Multimedia
| Speakers | |
|---|---|
| Loudspeaker | |
Cellular
| Data Speed | |
|---|---|
| LTE | |
| SIM type | |
| eSIM | |
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