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Editiorial reviews | ||||
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User rating |
Screen size | 1.54 in | 1.63 in | 1.3 in | 1.28 in |
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Display technology | LCD | OLED | OLED | N/A |
Screen resolution | 240 x 240 px | 320 x 320 px | 360 x 360 px | 176 x 176 px |
Type of glass | N/A | Gorilla Glass | Gorilla Glass | Gorilla Glass |
Type of screen | N/A | Colour screen | Colour screen | N/A |
Built-in camera | yes | no | no | N/A |
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Accelerometer | yes | yes | N/A | N/A |
Heart rate monitor | yes | yes | yes | yes |
Microphone | yes | yes | yes | N/A |
Gyroscope | yes | yes | yes | yes |
Pedometer | yes | N/A | N/A | N/A |
Altimeter | N/A | yes | N/A | N/A |
Barometer | N/A | yes | yes | yes |
Compass | N/A | yes | yes | yes |
Phone Functionality | N/A | yes | yes | N/A |
Case diameter | 1.69 in | 1.45 in | 1.81 in | 1.38 in |
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Case height | 0.0 in | 2.23 in | 1.93 in | 0.0 in |
Case thickness | 0.43 in | 0.44 in | 0.51 in | 0.31 in |
Weight | 1.53 oz | 2.6 oz | 2.19 oz | 1.09 oz |
Replaceable wrist bands | yes | yes | N/A | N/A |
Watch case material |
| Stainless steel |
| Plastic/Synthetic |
Wrist band material |
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| Silicone |
Colour of bracelet |
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Anti scratch lens | yes | yes | N/A | N/A |
Wrist band width | N/A | 0.87 in | N/A | N/A |
Water resistance | N/A | yes | yes | N/A |
Fully waterproof | N/A | yes | no | N/A |
Dust resistant | N/A | yes | N/A | N/A |
IP code (level of dust/water resistance) | N/A | IP68 | IP68 | IP68 |
Bluetooth | yes | yes | yes | yes |
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Bluetooth version | 3.0 | 4.0 | 4.2 | 4.0 |
Wi-Fi | yes | yes | yes | N/A |
USB | yes | yes | yes | yes |
Charging connection | Proprietary USB Cable | Wireless | N/A | N/A |
Built-in navigation system | no | yes | yes | yes |
3G (UMTS) | N/A | no | yes | N/A |
4G (LTE) | N/A | yes | no | N/A |
Wireless networking standard | N/A |
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| N/A |
NFC | N/A | yes | yes | N/A |
Headphone connection | N/A | Bluetooth | N/A | N/A |
GPS | N/A | yes | yes | N/A |
GLONASS | N/A | yes | yes | N/A |
Battery technology | Li-Ion | Li-Ion | Li-Ion | Li-polymer |
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Battery capacity | 400.0 mAh | 315.0 mAh | 380.0 mAh | 190.0 mAh |
Average battery life (standby) | 240.0 h | 150.0 h | 96.0 h | 1080.0 h |
Battery life (running) | 24.0 h | 25.0 h | 96.0 h | 720.0 h |
Wireless charging | N/A | yes | yes | N/A |