| Introduction Time | 2018, August | July 29, 2021 |
|---|---|---|
| Availability Status | Released August 2018 | Available, released August 20, 2021 |
| Size and Dimensions | 49 x 46 x 13 mm | 43 * 25.4 * 10.99 millimeter (mm) |
|---|---|---|
| Product Weight | 63 gram (g) | 18 gram (g) |
| Compatible SIM Card Types | Electronic SIM card | No |
|---|---|---|
| Other Body Features | Samsung Pay / MIL-STD-810G / Waterproof up to 50 meters underwater (and IP68 certified) / Compatible with standard 20mm and 22mm bands | Fiber-reinforced polymer body / Water resistant up to 5 ATM (50 meters for 10 minutes) |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.3 inches (46mm model) / 1.2 inches (42mm model) | 1.47 inch |
| Display Resolution | - | |
| Multi-Touch Capability | Yes | - |
| Screen protector type | Corning Gorilla Glass DX+ | - |
| Display Technical Details | Always-on Display / Rotating bezel around the display | - |
| OS Version | Tizen - based on wearable OS 4.0 | Proprietary OS compatible with Android and iOS |
|---|---|---|
| Chip Model | - |
| CPU | - |
|---|
| Internal Memory Capacity | 4GB, 1.5GB RAM (LTE model) / 4GB, 768MB RAM (BTT model) | - |
|---|
| Alert Type | MP3, WAV, Vibrate, Ringtones | - |
|---|---|---|
| Speaker Type | Yes | No |
| Battery Type and Capacity | Non-removable Li-Ion 472 mAh battery (46mm model) / Non-removable Li-Ion 270 mAh battery (42mm model) | Connection to external power source (power bank can be used) / 5 minutes of charge (for replacing power source) |
|---|---|---|
| Battery Standby Time | Up to 72 hours (combined usage) |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor, Barometer | Accelerometer sensor, Gyroscope, Optical heart rate sensor with SpO2 (blood oxygen level) calculation capability, Skin surface temperature measurement sensor |
|---|---|---|
| Messaging Method | SMS, Email, IM | Received notification alerts / Display text messages |
| Other Features and Capabilities | WPC wireless charging / Bixby voice assistant / MP3/M4A/AAC/WAV player / Photo viewer / Voice notes, calls, and commands | Supports 94 different sport modes, Heart rate monitoring, Blood oxygen level measurement, Sleep monitoring, Stress status monitoring, Breathing exercise program, Watch face customization capability, Phone and calendar notification display, Timer, Alarm clock, Use as shutter for phone camera |
| Communication Technologies | No cellular connectivity |
|---|
| Wireless Network Type | No | |
|---|---|---|
| Bluetooth Support | 4.2, A2DP, LE | |
| GPS Support | Yes, with A-GPS, GLONASS | No |
| NFC Support | Yes | Yes |
| USB Connections Type | No | No, charges via proprietary magnetic port |
| Available Color Options | Silver (46mm), Black, Rose Gold (42mm) | Black, Gold |
|---|---|---|
| Global Price Range | - |
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