| key specs |
| Display Size | 45mm | 41mm |
| Compatible OS | Android, iOS | Android, iOS |
| Strap Material | Leather | Leather |
| Dial Shape | Round | Round |
| Display Type | Super AMOLED | Super AMOLED |
| general |
| Brand | Samsung | Samsung |
| Model | Galaxy Watch 3 (45mm) | Galaxy Watch 3 (41mm) |
| Release date | August 5, 2020 | August 5, 2020 |
| Model Name | Galaxy Watch 3 (45mm) | Galaxy Watch 3 (41mm) |
| Dial Shape | Round | Round |
| Strap Material | Leather | Leather |
| Touchscreen | Yes | Yes |
| Water Resistant | 5ATM + IP68 | Yes |
| Water Resistance Depth | 50 | - |
| Dial Material | Stainless Steel, Titanium | Stainless Steel |
| Dial Colour | Mystic Black, Mystic Bronze, Mystic Silver | Mystic Black, Mystic Bronze, Mystic Silver |
| dimensions |
| Width | 45 | 41 |
| Height | 46.2 | 42.5 |
| Thickness | 11.1 | 11.3 |
| Weight (g) | 53.80 | 48.20 |
| product details |
| Sensor | Accelerometer, Barometer, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical Heart Sensor | Accelerometer, Barometer, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical Heart Sensor |
| Compatible Device | Android 5.0 or later and with more than 1.5GB of RAM, iPhone 5 or later models with iOS 9.0 or later | Android 5.0 or later and with more than 1.5GB of RAM, iPhone 5 or later models with iOS 9.0 or later |
| Notification | Yes | Yes |
| Charger Type | Wireless | Wireless |
| Rechargeable Battery | Yes | Yes |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 5.0 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | Wi-Fi b/g/n, NFC, Glonass, Beidou, Galileo | Wi-Fi b/g/n, NFC, Glonass, Beidou, Galileo |
| platform and storage features |
| Operating System | Tizen based Wearable OS 5.5 | Tizen based Wearable OS 5.5 |
| Compatible Operating System | Android, iOS | Android, iOS |
| Number of Cores | dual-core | dual-core |
| RAM | 1GB | 1MB |
| Processor Name | Exynos 9110 | Exynos 9110 |
| Internal Memory | 8GB | 8GB |
| camera and display features |
| Display Resolution | 360 x 360 | 360 x 360 |
| Display Size | 45mm | 41mm |
| Display Type | Super AMOLED | Super AMOLED |
| Scratch Resistant | Corning Gorilla Glass DX | Corning 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 |
| Number of Buttons | 2 | 2 |
| audio and video features |
| Speaker | Yes | Yes |
| Gesture Control | Yes | Yes |
| Microphone | Yes | Yes |