| Introduction Time | 2019, September | May 31, 2021 |
|---|---|---|
| Availability Status | Available. Released September 2019 | Available, released June 1, 2021 |
| Size and Dimensions | 44 x 38 x 10.7 mm | 46 x 38.4 x 13 mm |
|---|---|---|
| Product Weight | 36.7 gram (g) | 43 gram (g) |
| Compatible SIM Card Types | Electronic SIM card | eSIM |
|---|---|---|
| Other Body Features | Waterproof up to 50 meters / ECG certified (hardware available in all versions, but software restricted in some markets) | Waterproof / Display with curved edges (2.5D) |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.78 inch (~60.0% screen-to-body ratio) | 1.78 inch (~56.8% screen-to-body ratio) |
| Display Resolution | ||
| Screen protector type | Ion-X glass coating | Corning Gorilla Glass |
| Display Technical Details | 3D Touch / 1000 nits brightness / Always-on display | 450 nits brightness |
| OS Version | ||
|---|---|---|
| Chip Model | Qualcomm Snapdragon Wear 4100 (12nm) |
| GPU Model | - | |
|---|---|---|
| CPU | - |
| Speaker Type | Yes | Yes |
|---|
| Battery Type and Capacity | Non-removable 292 mAh Li-Ion battery (1.12 Wh) | Non-removable 430 mAh Li-Ion battery |
|---|---|---|
| Battery Standby Time | Up to 18 hours (combined usage) | Up to 36 hours |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor (2nd generation), Barometer, Compass | Accelerometer, Heart rate sensor with SpO2 (blood oxygen level calculation) capability, Gyroscope, Barometer, Compass |
|---|---|---|
| Other Features and Capabilities | Voice assistant support for conversational mode and natural language | Supports various sport modes, Watch face customization capability, Heart rate monitoring, Blood pressure measurement, Blood oxygen level measurement, Sleep monitoring, Breathing exercise program, Phone notification display, Alarm clock, Timer |
| Communication Technologies |
|---|
| Wireless Network Type | ||
|---|---|---|
| Bluetooth Support | 5.0, A2DP, LE | 4.2, A2DP |
| GPS Support | Yes, with A-GPS, GLONASS, GALILEO, QZSS | Yes, with A-GPS, GLONASS, BDS, QZSS |
| NFC Support | Yes | Yes |
| USB Connections Type | No | No, charges via proprietary charging dock with USB Type-C port |
| Available Color Options | Silver, Gold, Gray | Black, Light Blue |
|---|---|---|
| Global Price Range | - |
| Internal Memory Capacity | - | 8GB with 1GB RAM |
|---|
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