| key specs |
| Dial Shape | Rectangle | Rectangle | Round | Rectangle |
| Display Type | AMOLED | AMOLED | Super AMOLED | AMOLED |
| Ideal For | Unisex | Unisex | Unisex | - |
| Strap Colour | - | Black, Gold | Cream, Green | - |
| Display Size | - | 46mm | 40mm | 41mm |
| Compatible OS | - | Android 8.0 and above, iOS 13.0 and above | - | HarmonyOS 2 and above, Android 6.0 and above, iOS 9.0 and above |
| Strap Material | - | Leather | Silicone | - |
| general |
| Brand | Huawei | Huawei | Samsung | Huawei |
| Model | Watch Fit 4 Pro | Watch D2 | Galaxy Watch 7 | Watch D |
| Release date | May 15, 2025 | September 19, 2024 | July 10, 2024 | December 23, 2021 |
| Dial Shape | Rectangle | Rectangle | Round | Rectangle |
| Touchscreen | 1.82 | Yes | Yes | Yes |
| Water Resistant | 5 ATM | Yes | 5 ATM | Yes |
| Water Resistance Depth | 50 m | IP68 | IP68 | - |
| Usage | Regular | Fitness & Outdoor | Regular | - |
| Ideal For | Unisex | Unisex | Unisex | - |
| Model Name | - | Watch D2 | Galaxy Watch | Watch D |
| Dial Colour | - | Black | - | Obsidian Black |
| Strap Colour | - | Black, Gold | Cream, Green | - |
| Strap Material | - | Leather | Silicone | - |
| Size | - | Large | Regular | - |
| Dial Material | - | Aluminum alloy | - | - |
| Model Number | - | - | SM-L315FZGA | MLY-B10 |
| Interchangeable Strap | - | - | Yes | - |
| dimensions |
| Width | 44.5 | 48 | 40.4 | 51 |
| Height | 40.0 | 38 | 40.4 | 38 |
| Thickness | 9.3 | 13.3 | 9.7 | 13.6 |
| Weight (g) | 30.40 | 40.00 | 28.80 | 40.90 |
| Diameter | - | - | 40 | - |
| product details |
| Sensor | Accelerometer, Gyroscope, Magnetometer, Ambient light, Optical heart rate, Barometer, ECG | IMU sensor, ambient light sensor, ECG sensor, ECG sensor, barometric sensor, hall sensor, pressure sensor, optical heart rate sensor, temperature sensor | Samsung BioActive Sensor (Optical Bio-signal sensor + Electrical Heart Signal + Bioelectrical Impedance Analysis), Temperature Sensor, Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | - |
| Battery Life | 11 days | Six Days | - | 168 |
| Rechargeable Battery | Yes | - | Yes | - |
| Compatible Device | - | Android and iOS | Android 11 or higher and with more than 1.5GB of memory | - |
| Battery Type | - | - | 300mAh | Lithium-ion polymer |
| Charge Time | - | - | - | 150 |
| connectivity features |
| Call Function | Yes | Yes | Yes | Yes |
| Bluetooth | Yes | Yes | Yes | Yes |
| Bluetooth Version | 5.2 | 5.2 | 5.3 | v5.1 |
| GPS | Yes | Yes | Yes | - |
| Messaging Support | - | Yes | Yes | - |
| Call Features | - | Yes | - | - |
| Wi-Fi | - | - | Yes | - |
| camera and display features |
| Display Resolution | 480 × 408 | 408x480 | 432x432 | 280 x 456 Pixels |
| Display Type | AMOLED | AMOLED | Super AMOLED | AMOLED |
| Other Display Features | 3,000 nits brightness, Always-on Display | - | - | - |
| Display Size | - | 46mm | 40mm | 41mm |
| fitness and watch functions |
| Step Count | Yes | Yes | Yes | - |
| Heart Rate Monitor | Yes | Yes | Yes | - |
| Altimeter | Yes | - | - | - |
| Compass | Yes | Yes | Yes | - |
| Calendar | Yes | Yes | Yes | - |
| Alarm Clock | Yes | Yes | Yes | Yes |
| Date & Time Display | Yes | Yes | Yes | Yes |
| Language | English | English | - | - |
| Number of Buttons | - | 2 | - | - |
| Other Fitness Features | - | Over 80 sports modes | Novo FDA-authorised Sleep Apnea tracking, AFib, SpO2, Menstrual cycle monitoring | - |
| Calorie Count | - | - | Yes | - |
| audio and video features |
| Speaker | Yes | Supported | - | - |
| Microphone | Yes | Supported | - | - |
| platform and storage features |
| Compatible Operating System | - | Android 8.0 and above, iOS 13.0 and above | - | HarmonyOS 2 and above, Android 6.0 and above, iOS 9.0 and above |
| Operating System | - | - | Watch OS | HarmonyOS |
| RAM | - | - | 2GB | - |
| Processor Name | - | - | Exynos W1000 | - |
| Internal Memory | - | - | 32GB | - |