| Introduction Time | 2017, September | Announced October 2015 |
|---|---|---|
| Availability Status | Available. Released September 2017 | Available. Released October 2015 |
| Size and Dimensions | 42.6 x 36.5 x 11.4 mm | 12.8 x 32 mm |
|---|---|---|
| Product Weight | 46.4 gram (g) | 60 gram (g) |
| Compatible SIM Card Types | Electronic SIM card (Apple eSIM) | - |
|---|---|---|
| Other Body Features | Waterproof up to 50 meters deep / Ceramic |
| Display Technology | AMOLED capacitive touchscreen, Color | |
|---|---|---|
| Screen Size | 1.65 inch (~55.1% screen-to-body ratio) | - |
| Display Resolution | ||
| Multi-Touch Capability | Yes | Yes |
| Screen protector type | Sapphire protective glass | - |
| Display Technical Details | Display with 3D Touch / 1000 nits display brightness | - |
| OS Version | No operating system / Compatible with Android, Windows Mobile, and iOS devices | |
|---|---|---|
| Chip Model | - |
| CPU | Dual-core | - |
|---|---|---|
| GPU Model | - |
| Internal Memory Capacity | 16GB, 768MB RAM (unconfirmed) | - |
|---|
| Alert Type | Vibrate; Ringtones | - |
|---|---|---|
| Speaker Type | Yes | Yes |
| Battery Type and Capacity | Non-removable Li-Ion 273 mAh battery (1.03 Wh) - 38mm version | Non-replaceable Lithium Polymer battery |
|---|---|---|
| Battery Standby Time | Up to 18 hours (combined usage) | - |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor, Barometer | Accelerometer, Gyroscope, Heart rate sensor, Barometer, Altimeter, Ambient light sensor, Skin temperature sensor, GSR sensor, Microphone, Vo2Max |
|---|---|---|
| Messaging Method | SMS, Email, IM | Received notification alerts / Display text messages |
| Other Features and Capabilities | MP3 player / Photo viewer / Siri voice commands (talking mode) / Supports wireless charging | Pedometer / Distance and floors climbed measurement / Music playback control / Calorie consumption measurement |
| Communication Technologies | - |
|---|
| Wireless Network Type | - | |
|---|---|---|
| Bluetooth Support | ||
| GPS Support | Yes, with A-GPS, GLONASS | Yes |
| NFC Support | Yes | - |
| USB Connections Type | No | - |
| Available Color Options | White, Gray | Black |
|---|---|---|
| Global Price Range | - |
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