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Display colors
Display only the differences
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| Total | 21 16 | 19 24 | 26 17 | 19 21 |
| General |
| Available | Yes | Yes | Yes | Yes |
| Release date (US) | December 2015 | May 2015 | November 2015 | October 2015 |
| Street price (US) | 149 $ | 350 $ | 359 $ | 349 $ |
| Release date (FR) | December 2015 | May 2015 | May 2016 | October 2015 |
| Street price (EUR) | 149 € | 350 € | 400 € | 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 | |
| iOS compatible | Yes | No | Yes | |
| Minimum iOS version | | | iOS 8 | |
| Windows Phone compatible | No | No | No | |
| BlackBerry compatible | No | No | No | |
| Bluetooth | 4.1 | 4.1 | 4.1 | 4.1 |
| Bluetooth Low Energy | | Yes | Yes | |
| Colors | White Grey Gold | Grey Black Gold | Grey | White Black |
| Size and weight |
|
37.2 in
11.8 in
45.2 in
55 oz
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42 in
11.3 in
42 in
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44.5 in
14.2 in
44.5 in
92.7 oz
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43.6 in
11.4 in
39.9 in
42 oz
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| Height | 49.6 45.2 | 42 in | 44.5 in | 42.3 39.9 |
| Width | 40.7 37.2 | 42 in | 44.5 in | 49.8 43.6 |
| Depth | 10.9 11.8 | 11.3 in | 14.2 in | 11.4 in |
| Weight | 55 oz | | 92.7 oz | 47 42 |
| Display screen |
| Type | Amoled | Amoled | Oled | Amoled |
| Display screen in color | Yes | Yes | Yes | Yes |
| Touchscreen | Yes | Yes | Yes | Yes |
| Size | 1.63 1.45 | 1.4 in | 1.38 in | 1.2 in |
| Resolution | 320x320 280x280 | 400x400 pixels | 480x480 pixels | 360x360 pixels |
| PPI | 278 | 404 | 492 | 424 |
| Battery |
| Capacity | 400 300 | 300 mAh | 570 mAh | 250 300 |
| Battery life | 2 day(s) | 2 day(s) | 2 day(s) | 3 2 |
| Resistance |
| Waterproof | Yes | Yes | Yes | Yes |
| Depth | 1 m | | 1 m | |
| Splashproof | Yes | Yes | Yes | Yes |
| Dustproof | Yes | Yes | Yes | Yes |
| Ingress Protection | IP67 | | IP68 | IP68 |
| Functions |
| Display language | English French | English French | English French | English French |
| Audio player | Yes | Yes | Yes | Yes |
| Camera | No | No | No | No |
| Hardware |
| Processor | Qualcomm Snapdragon 400 | Qualcomm APQ8026 | Qualcomm Snapdragon 400 | Exynos |
| Processor frequency | 1.2 GHz | 1.2 GHz | 1.2 GHz | 1 GHz |
| Core number | Quad core | Single core | Quad core | Dual core |
| RAM | 512 MB | 512 MB | 768 MB | 512 MB |
| Storage capacity | 4096 MB | 4096 MB | 4096 MB | 4096 MB |
| Radio | No | No | No | No |
| Headset plug | No | No | No | No |
| Microphone | Yes | Yes | Yes | No |
| Speaker | Yes | Yes | Yes | No |
| Wi-Fi | Yes | No | Yes | Yes |
| SIM card | No | No | Yes | No Yes |
| Vibration | | Yes | Yes | No |
| NFC | No | No | Yes | Yes |
| Qi wireless charging | No | No | No | Yes |
| Memory card | No | No | No | No |
| Sensor |
| Accelerometer | Yes | Yes | Yes | Yes |
| Magnetometer | | No | No | No |
| Ambient light sensor | | No | No | Yes |
| Gyrometer | | Yes | No | No |
| Gyroscope | Yes | Yes | Yes | Yes |
| Pedometer | | No | | No |
| GPS | | No | Yes | Yes |
| Compass | | No | | No |
| Heart rate monitor | No | Yes | Yes | Yes |
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