| key specs |
| Strap Colour | Black, Green, Silver | Blue, Black, Silver |
| Display Size | 44mm | 46mm |
| Compatible OS | Android | Android, iOS |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | - |
| Strap Material | - | Stainless Steel |
| general |
| Brand | Samsung | Citizen |
| Model | Galaxy Watch 4 (44mm) | CZ Smart |
| Release date | August 11, 2021 | November 17, 2020 |
| Model Name | Galaxy Watch 4 | CZ Smart |
| Dial Shape | Round | Round |
| Size | Large | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | Yes | 3ATM |
| Water Resistance Depth | 5 ATM | 30 metres |
| Dial Material | Aluminium | Stainless Steel |
| Ideal For | Unisex | - |
| Strap Colour | Black, Green, Silver | Blue, Black, Silver |
| Dial Colour | Black, Green, Silver | Black, Bue |
| Strap Material | - | Stainless Steel |
| dimensions |
| Width | 44.4 | 1.81 |
| Height | 43.3 | - |
| Thickness | 9.8 | - |
| Weight (g) | 30.30 | - |
| product details |
| Sensor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | Heart rate sensor, Barometer, Accelerometer, Gyroscope |
| Compatible Device | Android | Android, iOS |
| Notification | Yes | Yes |
| Rechargeable Battery | Yes | Yes |
| Battery Life | - | 24+ hours |
| Charger Type | - | Magnetic |
| Other Features | - | 80 percent in 40 minutes |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | - |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC,GPS,Glonass | NFC, Wi-Fi |
| platform and storage features |
| Operating System | One UI Watch 3 | Wear OS |
| Compatible Operating System | Android | Android, iOS |
| Number of Cores | dual-core | - |
| RAM | 1.5GB | - |
| Processor Name | Exynos W920 | - |
| Processor Speed | 1.18GHz | - |
| Internal Memory | 16GB | 8GB |
| camera and display features |
| Display Resolution | 450x450 | 416x416 |
| Display Size | 44mm | 46mm |
| Display Type | AMOLED | AMOLED |
| Scratch Resistant | Yes, Gorilla Glass DX | Corning Gorilla Glass |
| 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 | English |
| Number of Buttons | 2 | 3 |
| Other Watch Functions | Heart rate, blood oxygen, SpO2 | Notifications, alarms, reminders, controlling music |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | - | Yes |