| key specs |
| Strap Colour | Black, Green, Silver | Black |
| Display Size | 44mm | 46mm |
| Compatible OS | Android | Android & iOS |
| Dial Shape | Round | Round |
| Display Type | AMOLED | Super AMOLED |
| Ideal For | Unisex | Men |
| Strap Material | - | Elastomer |
| general |
| Brand | Samsung | Samsung |
| Model | Galaxy Watch 4 (44mm) | Galaxy Smartwatch |
| Release date | August 11, 2021 | - |
| Model Name | Galaxy Watch 4 | Galaxy Watch 42 mm |
| Dial Shape | Round | Round |
| Size | Large | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 5 ATM | 50 m |
| Dial Material | Aluminium | - |
| Ideal For | Unisex | Men |
| Strap Colour | Black, Green, Silver | Black |
| Dial Colour | Black, Green, Silver | Black |
| Model Number | - | SM-R810NZKAINU |
| Strap Material | - | Elastomer |
| Usage | - | Fitness & Outdoor |
| dimensions |
| Width | 44.4 | - |
| Height | 43.3 | - |
| Thickness | 9.8 | - |
| Weight (g) | 30.30 | 49.00 |
| product details |
| Sensor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | 3-Axis Accelerometer, Gyroscope, Barometer, Heart Rate Sensor, Ambient Light Sensor |
| Compatible Device | Android | Iphone, Android Smartphones |
| Notification | Yes | Yes |
| Rechargeable Battery | Yes | Yes |
| Closure | - | Strap Buckle |
| Notification Type | - | Vibration |
| Battery Type | - | Lithium Polymer |
| Battery Life | - | Upto 3 Days (Based on Usage) |
| Charger Type | - | WPC Based Wireless Charging |
| Other Features | - | 20 Mm Interchangeable Strap, 270 Mah Battery, Us Military Standard (Mil-Std-810G) Compliant, Circular Design And Vintage Textured Body, Check Physical Location And Map Routes With Built-In Gps (Supports A-Gps / Glonass) |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | v4.2 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC,GPS,Glonass | Wi-Fi (802.11B/G/N) |
| Call Function | - | No |
| platform and storage features |
| Operating System | One UI Watch 3 | - |
| Compatible Operating System | Android | Android & iOS |
| Number of Cores | dual-core | - |
| RAM | 1.5GB | - |
| Processor Name | Exynos W920 | Exynos 9110 Dual Core Processor |
| Processor Speed | 1.18GHz | 1.15 GHz |
| Internal Memory | 16GB | 4 GB |
| camera and display features |
| Display Resolution | 450x450 | 360 x 360 Pixels |
| Display Size | 44mm | 46mm |
| Display Type | AMOLED | Super AMOLED |
| Scratch Resistant | Yes, Gorilla Glass DX | Yes |
| Backlight Display | - | Yes |
| Other Display Features | - | Always-On Color Display With Scratch Resistant Gorilla Glass Dx+ |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | 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 | 2 |
| Other Watch Functions | Heart rate, blood oxygen, SpO2 | Customizable Watch Faces, Calendar Alerts, Receive Notifications For Calls, Messages, Emails, And Other Apps (Facebook, Twitter, And Whatsapp) |
| Other Fitness Features | - | Tracks: Distance, Pace, Steps, Sleep Quality, Calories Burned, Heart Rate |
| audio and video features |
| Speaker | Yes | - |