| key specs |
| Strap Colour | Black, Green, Silver | Brown, Orange |
| Display Size | 44mm | 42mm |
| Compatible OS | Android | Android, iOS |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | - |
| general |
| Brand | Samsung | Vivo |
| Model | Galaxy Watch 4 (44mm) | Watch (42mm) |
| Release date | August 11, 2021 | September 22, 2020 |
| Model Name | Galaxy Watch 4 | Watch |
| Dial Shape | Round | Round |
| Size | Large | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | Yes | 5 ATM |
| Water Resistance Depth | 5 ATM | - |
| Dial Material | Aluminium | Stainless Steel |
| Ideal For | Unisex | - |
| Strap Colour | Black, Green, Silver | Brown, Orange |
| Dial Colour | Black, Green, Silver | Mocha Brown, Black |
| dimensions |
| Width | 44.4 | 42 |
| Height | 43.3 | 42 |
| Thickness | 9.8 | 9.7 |
| Weight (g) | 30.30 | 35.60 |
| product details |
| Sensor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | 5-core Optical heart rate monitor, Blood Oxygen sensor, Accelerometer, Gyroscope, Air pressure sensor, Altitude sensor, Ambient Light sensor, Geomagnetic sensor |
| Compatible Device | Android | Android, iOS |
| Notification | Yes | Yes |
| Rechargeable Battery | Yes | Yes |
| Battery Life | - | 9 days |
| Charger Type | - | Magnetic |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 5.0 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC,GPS,Glonass | Glonass, Galileo, Beidou |
| platform and storage features |
| Operating System | One UI Watch 3 | - |
| Compatible Operating System | Android | Android, iOS |
| Number of Cores | dual-core | - |
| RAM | 1.5GB | 2GB |
| Processor Name | Exynos W920 | ST miniature main control chip + Apollo ultra-low power coprocessor |
| Processor Speed | 1.18GHz | - |
| Internal Memory | 16GB | - |
| camera and display features |
| Display Resolution | 450x450 | 390x390 |
| Display Size | 44mm | 42mm |
| Display Type | AMOLED | AMOLED |
| Scratch Resistant | Yes, Gorilla Glass DX | - |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | 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 | - |
| Other Fitness Features | - | Intelligent exercise recognition, outdoor running, indoor running, outdoor walking, swimming, cycling, indoor cycling, mountain climbing, trail running, elliptical machine, free training, high-intensity interval training |
| audio and video features |
| Speaker | Yes | - |