key specs |
Display Size | 42mm | - |
Compatible OS | Android | Android, iOS |
Dial Shape | Round | Round |
Display Type | AMOLED | AMOLED |
Ideal For | Unisex | - |
general |
Brand | Samsung | Amazfit |
Model | Galaxy Watch 4 Classic (42mm) | GTR 2e |
Release date | August 11, 2021 | December 15, 2020 |
Model Name | Galaxy Watch 4 Classic | GTR 2e |
Dial Shape | Round | Round |
Size | Regular | Regular |
Touchscreen | Yes | Yes |
Interchangeable Strap | Yes | - |
Water Resistant | IP68 | - |
Water Resistance Depth | 5 ATM | 50 metres |
Dial Material | Stainless Steel | Aluminium Alloy |
Ideal For | Unisex | - |
Dial Colour | - | Dolphin Grey, Ice Lake Green, Obsidian Black options |
dimensions |
Width | 41.5 | 46.5 |
Height | 41.5 | 46.5 |
Thickness | 11.2 | 10.8 |
Weight (g) | 46.50 | 32.00 |
product details |
Sensor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | Huami self-developed BioTracker PPG (support blood oxygen), acceleration sensor, gyroscope, 3-axis geomagnetic sensor, ambient light sensor, air pressure sensor, temperature sensor |
Compatible Device | Android | Android, iOS |
Notification | Yes | Yes |
Rechargeable Battery | Yes | Yes |
Battery Life | - | 24 |
Charge Time | - | 2.5 hours |
Charger Type | - | Magnetic |
connectivity features |
Bluetooth | Yes | Yes |
Bluetooth Version | 5.0 | 5.0 |
Wi-Fi | Yes | - |
GPS | Yes | - |
Other Connectivity Features | - | NFC |
platform and storage features |
Operating System | One UI Watch 3 | - |
Compatible Operating System | Android | Android, iOS |
RAM | 1.5GB | - |
Processor Name | Exynos W920 | - |
Internal Memory | 16GB | - |
camera and display features |
Display Resolution | 396x396 | 454x454 |
Display Size | 42mm | - |
Display Type | AMOLED | AMOLED |
Scratch Resistant | 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 Sensor | - |
Other Fitness Features | - | BioTracker 2 PPG, bioogical data sensor |
audio and video features |
Speaker | Yes | Yes |
Microphone | - | Yes |