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Editiorial reviews | |||
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User rating |
RAM Memory | 768.0 mB | 512.0 mB | 512.0 mB |
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Internal storage space | 4.0 GB | 4.0 GB | N/A |
CPU cores | Quad Core | Single Core | Quad Core |
CPU speed | 1.1 GHz | 0.8 GHz | N/A |
Screen size | 1.2 in | 1.63 in | 1.6 in |
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Display technology | OLED | OLED | N/A |
Screen resolution | 390 x 390 px | 320 x 320 px | 320 x 320 px |
Type of glass | Gorilla Glass | N/A | N/A |
Type of screen | Colour screen | Colour screen | N/A |
Built-in camera | no | yes | N/A |
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Barometer | yes | N/A | N/A |
Heart rate monitor | yes | N/A | N/A |
Microphone | yes | yes | N/A |
Compass | yes | N/A | yes |
Gyroscope | yes | yes | yes |
Accelerometer | N/A | N/A | yes |
Ambient Light Sensor | N/A | N/A | yes |
Case diameter | 1.77 in | 1.45 in | 1.97 in |
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Case height | 1.93 in | 2.23 in | N/A |
Case thickness | 0.5 in | 0.44 in | 0.39 in |
Weight | 1.41 oz | 2.6 oz | 1.59 oz |
Watch case material | Plastic/Synthetic | Stainless steel | Stainless steel |
Wrist band material | Rubber | Rubber |
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Colour of bracelet |
| N/A | N/A |
Water resistance | yes | N/A | yes |
Fully waterproof | yes | N/A | yes |
IP code (level of dust/water resistance) | IP68 | N/A | N/A |
Replaceable wrist bands | N/A | N/A | yes |
Anti scratch lens | N/A | N/A | yes |
Dust resistant | N/A | N/A | yes |
3G (UMTS) | no | no | N/A |
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4G (LTE) | no | no | N/A |
Bluetooth | yes | yes | yes |
Bluetooth version | 4.1 | 4.0 | 4.0 |
Wi-Fi | yes | no | yes |
Wireless networking standard |
| N/A | N/A |
NFC | yes | yes | yes |
USB | yes | yes | N/A |
Built-in navigation system | yes | no | N/A |
GPS | yes | N/A | yes |
GLONASS | yes | N/A | N/A |
Charging connection | N/A | N/A | microUSB |
Headphone connection | N/A | N/A | Bluetooth |
Wireless charging | yes | N/A | N/A |
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Battery technology | Li-Ion | Li-Ion | Li-polymer |
Battery capacity | 450.0 mAh | 315.0 mAh | 420.0 mAh |
Average battery life (standby) | 600.0 h | 150.0 h | 48.0 h |
Battery life (running) | 48.0 h | 25.0 h | N/A |