ratings |
Overall NDTV Rating | Read Review | - |
Design and comfort Rating | | - |
Tracking accuracy Rating | | - |
Software and ecosystem Rating | | - |
Battery life Rating | | - |
key specs |
Strap Colour | Black, Silver | - |
Display Size | 46mm | - |
Compatible OS | Android | iOS, Android |
Dial Shape | Round | Round |
Display Type | AMOLED | AMOLED |
Ideal For | Unisex | Unisex |
Strap Material | - | Silicone |
general |
Brand | Samsung | Amazfit |
Model | Galaxy Watch 4 Classic (46mm) | T-Rex Pro |
Release date | August 11, 2021 | March 23, 2021 |
Model Name | Galaxy Watch 4 Classic | Amazfit T-Rex Pro |
Dial Shape | Round | Round |
Size | Large | Regular |
Touchscreen | Yes | Yes |
Interchangeable Strap | Yes | - |
Water Resistant | IP68 | 10 ATM |
Water Resistance Depth | 5 ATM | - |
Dial Material | Stainless Steel | Polycarbonate |
Ideal For | Unisex | Unisex |
Strap Colour | Black, Silver | - |
Dial Colour | Black, Silver | Desert Grey, Meteorite Black, Steel Blue |
Strap Material | - | Silicone |
dimensions |
Width | 45.5 | 47.7 |
Height | 45.5 | 47.7 |
Thickness | 11 | 13.5 |
Weight (g) | 52.00 | 59.40 |
product details |
Sensor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor | Three-axis acceleration sensor, Heart Rate Sensor, BioTracker 2 PPG , ambient light sensor, Geomagnetic, three-axis gyroscope, barometric altimeter |
Compatible Device | Android | Android, iOS |
Notification | Yes | Yes |
Rechargeable Battery | Yes | Yes |
Battery Life | - | 18 days |
Charge Time | - | 1.5 hours |
Charger Type | - | Magnetic 2-pins Pogo Pin |
connectivity features |
Bluetooth | Yes | Yes |
Bluetooth Version | 5.0 | 5.0 |
Wi-Fi | Yes | Yes |
GPS | Yes | Yes |
Other Connectivity Features | NFC | - |
platform and storage features |
Operating System | One UI Watch 3 | RTOS |
Compatible Operating System | Android | iOS, Android |
RAM | 1.5GB | - |
Processor Name | Exynos W920 | - |
Internal Memory | 16GB | - |
camera and display features |
Display Resolution | 450x450 | 320x360 |
Display Size | 46mm | - |
Display Type | AMOLED | AMOLED |
Scratch Resistant | Gorilla Glass DX | Tempered Glass + anti-fingerprint coating |
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 | 4 |
Other Watch Functions | Heart rate, blood oxygen, electrocardiogram (EKG) | Heart rate monitoring, sleep quality monitoring |
Altimeter | - | Yes |
Other Fitness Features | - | 100+ sports modes |
audio and video features |
Speaker | Yes | Yes |