| Introduction Time | 2017, September | 2019, February |
|---|---|---|
| Availability Status | Available. Released September 2017 | Available, released March 2019 |
| Size and Dimensions | 38.6 x 33.3 x 11.4 mm | 40 * 39.5 * 10.5 millimeter (mm) |
|---|---|---|
| Product Weight | 28.7 gram (g) | 25 gram (g) |
| Compatible SIM Card Types | Electronic SIM card (Apple eSIM) | No |
|---|---|---|
| Other Body Features | Waterproof up to 50 meters / Ceramic back, aluminum frame | MIL-STD-810G / Waterproof up to 50 meters underwater (IP68 certified) / 20mm band |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.5 inch (~55.4% screen-to-body ratio) | 1.1 inch |
| Display Resolution | 360 * 360 pixel (px) | |
| Multi-Touch Capability | Yes | Yes |
| Screen protector type | Ion-X glass coating | Corning Gorilla Glass 3 |
| Display Technical Details | 3D Touch Display / 1000 nits display brightness | Always-on Display |
| OS Version | ||
|---|---|---|
| Chip Model |
| CPU | Dual-core | |
|---|---|---|
| GPU Model | - |
| Internal Memory Capacity | 16GB, 768MB RAM (unconfirmed) | - |
|---|
| Alert Type | Vibrate; Ringtones | Vibrate |
|---|---|---|
| Speaker Type | Yes | No |
| Battery Type and Capacity | Non-removable 279 mAh Li-Ion battery (1.07 Wh) | Non-removable 230 mAh Li-Ion battery |
|---|---|---|
| Battery Standby Time | Up to 18 hours (combined usage) | - |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor, Barometer | Accelerometer, Gyroscope, Heart rate sensor, Barometer, Ambient light sensor |
|---|---|---|
| Messaging Method | SMS, Email, IM | - |
| Other Features and Capabilities | MP3 player / Photo viewer / Siri voice commands (talking mode) / Supports wireless charging | WPC wireless charging / S-Voice voice assistant / MP3/M4A/AAC/WAV player / Photo viewer / Voice notes, calls, and commands |
| Communication Technologies | GSM / HSPA / LTE (LTE version only) | - |
|---|
| Wireless Network Type | ||
|---|---|---|
| Bluetooth Support | 4.2, A2DP, LE | |
| GPS Support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| NFC Support | Yes | Yes |
| USB Connections Type | No | No |
| Available Color Options | Silver, Gold, Gray | Black, Silver, Pink, Green |
|---|---|---|
| Global Price Range | - |
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