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Display colors
Display only the differences
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| Total | 21 22 | 18 25 | 19 26 | 21 19 |
| General |
| Available | Yes | Yes | Yes | Yes |
| Release date (US) | May 2015 | April 2015 | September 2015 | October 2015 |
| Street price (US) | 350 $ | 349 $ | 299 $ | 349 $ |
| Release date (FR) | May 2015 | April 2015 | September 2015 | October 2015 |
| Street price (EUR) | 350 € | 349 € | 299 € | 349 € |
| Operating System | Android Wear | Android Wear | Android Wear | Tizen |
| Android compatible | Yes | Yes | Yes | Yes |
| Minimum Android version | Android 4.0 | Android 4.3 | Android 4.3 | |
| iOS compatible | No | No | No | |
| Windows Phone compatible | No | No | No | |
| BlackBerry compatible | No | No | No | |
| Bluetooth | 4.1 | 4.0 | 4.0 | 4.1 |
| Bluetooth Low Energy | Yes | Yes | Yes | |
| Colors | Grey Black Gold | Grey Gold | Grey Black | White Black |
| Size and weight |
|
42 in
11.3 in
42 in
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45.5 in
10.9 in
52.2 in
62 oz
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46 in
11.4 in
46 in
49 oz
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43.6 in
11.4 in
39.9 in
42 oz
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| Height | 42 in | 52.2 in | 42 46 | 42.3 39.9 |
| Width | 42 in | 45.5 in | 42 46 | 49.8 43.6 |
| Depth | 11.3 in | 10.9 in | 11.4 in | 11.4 in |
| Weight | | 62 oz | 49 oz | 47 42 |
| Display screen |
| Type | Amoled | Oled | LCD | Amoled |
| Display screen in color | Yes | Yes | Yes | Yes |
| Touchscreen | Yes | | Yes | Yes |
| Size | 1.4 in | 1.3 in | 1.37 in | 1.2 in |
| Resolution | 400x400 pixels | 320x320 pixels | 360x325 360x330 | 360x360 pixels |
| PPI | 404 | 348 | 354 | 424 |
| Battery |
| Capacity | 300 mAh | 410 mAh | 300 mAh | 250 300 |
| Battery life | 2 day(s) | 1 day(s) | 1.5 day(s) | 3 2 |
| Resistance |
| Waterproof | Yes | Yes | Yes | Yes |
| Depth | | 1 m | 30 m | |
| Splashproof | Yes | Yes | Yes | Yes |
| Dustproof | Yes | Yes | Yes | Yes |
| Ingress Protection | | IP67 | IP67 | IP68 |
| Functions |
| Display language | English French | French | English French | English French |
| Audio player | Yes | No | No | Yes |
| Camera | No | No | No | No |
| Hardware |
| Processor | Qualcomm APQ8026 | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | Exynos |
| Processor frequency | 1.2 GHz | 1.2 GHz | 1.2 GHz | 1 GHz |
| Core number | Single core | Single core | Quad core | Dual core |
| RAM | 512 MB | 512 MB | 512 MB | 512 MB |
| Storage capacity | 4096 MB | 4000 MB | 4096 MB | 4096 MB |
| Radio | No | No | No | No |
| Headset plug | No | No | No | No |
| Microphone | Yes | Yes | Yes | No |
| Speaker | Yes | No | No | No |
| Wi-Fi | No | No | No | Yes |
| SIM card | No | No | No | No Yes |
| Vibration | Yes | No | No | No |
| NFC | No | No | No | Yes |
| Qi wireless charging | No | Yes | No | Yes |
| Memory card | No | No | No | No |
| Sensor |
| Accelerometer | Yes | | No | Yes |
| Magnetometer | No | No | No | No |
| Ambient light sensor | No | Yes | No | Yes |
| Gyrometer | Yes | No | No | No |
| Gyroscope | Yes | Yes | No | Yes |
| Pedometer | No | Yes | Yes | No |
| GPS | No | No | No | Yes |
| Compass | No | Yes | No | No |
| Heart rate monitor | Yes | Yes | Yes | Yes |
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