| Introduction Time | 2018, August | 2019, February |
|---|---|---|
| Availability Status | Released August 2018 | Available. Released March 2019 |
| Size and Dimensions | 49 x 46 x 13 mm | 18.3 * 44.6 * 11.2 millimeter (mm) |
|---|---|---|
| Product Weight | 63 gram (g) | 24 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 |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.3 inches (46mm model) / 1.2 inches (42mm model) | 0.95 inch |
| Display Resolution | ||
| Multi-Touch Capability | Yes | Yes |
| Screen protector type | Corning Gorilla Glass DX+ | - |
| Display Technical Details | Always-on Display / Rotating bezel around the display | Full color |
| OS Version | Tizen - based on wearable OS 4.0 | |
|---|---|---|
| Chip Model |
| CPU |
|---|
| Internal Memory Capacity | 4GB, 1.5GB RAM (LTE model) / 4GB, 768MB RAM (BTT model) | 512KB internal RAM / 2MB external RAM / 32MB external ROM |
|---|
| 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) | Non-removable 120 mAh Li-Ion battery |
|---|---|---|
| Battery Standby Time | Up to 72 hours (combined usage) | - |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor, Barometer | Accelerometer, Gyroscope, Heart rate sensor |
|---|---|---|
| Messaging Method | SMS, Email, IM | - |
| Other Features and Capabilities | WPC wireless charging / Bixby voice assistant / MP3/M4A/AAC/WAV player / Photo viewer / Voice notes, calls, and commands | Compatible with Android 5.0 and later / Compatible with iOS 9.0 and later |
| Communication Technologies | - |
|---|
| Wireless Network Type | No | |
|---|---|---|
| Bluetooth Support | 4.2, A2DP, LE | Yes |
| GPS Support | Yes, with A-GPS, GLONASS | No |
| NFC Support | Yes | Yes |
| USB Connections Type | No | No |
| Available Color Options | Silver (46mm), Black, Rose Gold (42mm) | Black and Silver |
|---|
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