| key specs |
| Display Size | 45mm | 32mm |
| Compatible OS | Android, iOS | - |
| Strap Material | Leather | Silicone |
| Dial Shape | Round | Round |
| Display Type | Super AMOLED | - |
| Strap Colour | - | Black |
| Ideal For | - | Unisex |
| general |
| Brand | Samsung | Samsung |
| Model | Galaxy Watch 3 (45mm) | Gear S3 Classic Smartwatch |
| Release date | August 5, 2020 | - |
| Model Name | Galaxy Watch 3 (45mm) | Gear S3 Classic |
| Dial Shape | Round | Round |
| Strap Material | Leather | Silicone |
| Touchscreen | Yes | Yes |
| Water Resistant | 5ATM + IP68 | Yes |
| Water Resistance Depth | 50 | - |
| Dial Material | Stainless Steel, Titanium | - |
| Dial Colour | Mystic Black, Mystic Bronze, Mystic Silver | Black |
| Model Number | - | R770N |
| Size | - | Regular |
| Usage | - | Watchphone |
| Ideal For | - | Unisex |
| Strap Colour | - | Black |
| dimensions |
| Width | 45 | 49 |
| Height | 46.2 | 46 |
| Thickness | 11.1 | 12.9 mm |
| Weight (g) | 53.80 | 59.00 |
| Diameter | - | 32.9 mm |
| product details |
| Sensor | Accelerometer, Barometer, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical Heart Sensor | Accelerometer, Barometer, Gyro Sensor, Hr Sensor, Light 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 | - |
| Notification | Yes | - |
| Charger Type | Wireless | - |
| Rechargeable Battery | Yes | Yes |
| Battery Life | - | 1 Year |
| Stand By Time | - | 3-4 days |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | v4.2 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | Wi-Fi b/g/n, NFC, Glonass, Beidou, Galileo | - |
| Call Function | - | No |
| platform and storage features |
| Operating System | Tizen based Wearable OS 5.5 | Tizen |
| Compatible Operating System | Android, iOS | - |
| Number of Cores | dual-core | - |
| RAM | 1GB | 0.75 GB |
| Processor Name | Exynos 9110 | - |
| Internal Memory | 8GB | 4 GB |
| camera and display features |
| Display Resolution | 360 x 360 | 1.93 x 1.81 x 0.51 pixels |
| Display Size | 45mm | 32mm |
| Display Type | Super AMOLED | - |
| Scratch Resistant | Corning Gorilla Glass DX | - |
| fitness and watch functions |
| Step Count | Yes | - |
| Heart Rate Monitor | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | - |
| Date & Time Display | Yes | - |
| Number of Buttons | 2 | - |
| audio and video features |
| Speaker | Yes | - |
| Gesture Control | Yes | - |
| Microphone | Yes | - |