| key specs |
| Display Size | 42mm | 35mm |
| Compatible OS | Android | Android 4.4, iOS 9.0 |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Graphite Black Silicone Strap, Saddle Brown leather Silicone Strap, Glacier Gray Silicone Strap, Fluorescent Green Silicone Strap |
| Strap Material | - | Leather |
| general |
| Brand | Samsung | Huawei |
| Model | Galaxy Watch 4 Classic (42mm) | Watch GT |
| Release date | August 11, 2021 | October 1, 2018 |
| Model Name | Galaxy Watch 4 Classic | - |
| Dial Shape | Round | Round |
| Size | Regular | Regular |
| Touchscreen | Yes | 1.39 |
| Interchangeable Strap | Yes | - |
| Water Resistant | IP68 | - |
| Water Resistance Depth | 5 ATM | 5 ATM |
| Dial Material | Stainless Steel | - |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Leather |
| Strap Colour | - | Graphite Black Silicone Strap, Saddle Brown leather Silicone Strap, Glacier Gray Silicone Strap, Fluorescent Green Silicone Strap |
| Dial Colour | - | Black Stainless Steel, Stainless Steel |
| dimensions |
| Width | 41.5 | 46.5 |
| Height | 41.5 | - |
| Thickness | 11.2 | 10.6 |
| Weight (g) | 46.50 | 46.00 |
| Diameter | - | 46.5 |
| product details |
| Sensor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | Accelerometer, Gyroscope, Magnetometer, Optical heart rate, Ambient light, Barometer |
| Compatible Device | Android | - |
| Notification | Yes | - |
| Rechargeable Battery | Yes | - |
| Battery Life | - | 14 days |
| Charge Time | - | 2 hours |
| Charger Type | - | Magnetic charging thimble |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 4.2 |
| Wi-Fi | Yes | - |
| GPS | Yes | Yes |
| platform and storage features |
| Operating System | One UI Watch 3 | LiteOS |
| Compatible Operating System | Android | Android 4.4, iOS 9.0 |
| RAM | 1.5GB | 16MB |
| Processor Name | Exynos W920 | - |
| Internal Memory | 16GB | 128 |
| camera and display features |
| Display Resolution | 396x396 | 454 x 454 |
| Display Size | 42mm | 35mm |
| Display Type | AMOLED | AMOLED |
| Scratch Resistant | 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 Sensor | - |
| Other Fitness Features | - | TruSeen 3.0, TruSleep 2.0 |
| audio and video features |
| Speaker | Yes | - |