| key specs |
| Strap Colour | Black, Green, Silver | - |
| Display Size | 44mm | 34mm |
| Compatible OS | Android | Android, iOS |
| Dial Shape | Round | Round |
| Display Type | AMOLED | Super AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Leather |
| general |
| Brand | Samsung | Samsung |
| Model | Galaxy Watch 4 (44mm) | Galaxy Watch Active 2 (44mm) |
| Release date | August 11, 2021 | - |
| Model Name | Galaxy Watch 4 | Galaxy Watch Active 2 |
| Dial Shape | Round | Round |
| Size | Large | - |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | Yes | IP68 |
| Water Resistance Depth | 5 ATM | 50 |
| Dial Material | Aluminium | Stainless Steel, Aluminium |
| Ideal For | Unisex | Unisex |
| Strap Colour | Black, Green, Silver | - |
| Dial Colour | Black, Green, Silver | Cloud Silver, Aqua Black, Pink Gold |
| Strap Material | - | Leather |
| dimensions |
| Width | 44.4 | 44 |
| Height | 43.3 | 44 |
| Thickness | 9.8 | 10.9 |
| Weight (g) | 30.30 | 30.00 |
| product details |
| Sensor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | Accelerometer, Gyrometer, Barometer, Heart Rate Monitor, Ambient Light |
| Compatible Device | Android | Android 5.0 or higher & RAM 1.5GB above, iOS 9.0 or above |
| Notification | Yes | Yes |
| Rechargeable Battery | Yes | Yes |
| Charger Type | - | Wireless |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 5.0 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC,GPS,Glonass | - |
| Call Function | - | Yes |
| platform and storage features |
| Operating System | One UI Watch 3 | Tizen based Wearable OS 4.0 |
| Compatible Operating System | Android | Android, iOS |
| Number of Cores | dual-core | dual-core |
| RAM | 1.5GB | 768MB |
| Processor Name | Exynos W920 | Exynos 9110 |
| Processor Speed | 1.18GHz | 1.15GHz |
| Internal Memory | 16GB | 4GB |
| camera and display features |
| Display Resolution | 450x450 | 360 x 360 |
| Display Size | 44mm | 34mm |
| Display Type | AMOLED | Super AMOLED |
| Scratch Resistant | Yes, Gorilla Glass DX | Corning Gorilla Glass DX+ |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Number of Buttons | 2 | 2 |
| Other Watch Functions | Heart rate, blood oxygen, SpO2 | - |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | - | Yes |