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Editiorial reviews | ||||
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User rating |
RAM Memory | 512.0 mB | 768.0 mB | 768.0 mB | 512.0 mB |
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CPU cores | Single Core | Quad Core | Dual Core | Quad Core |
Internal storage space | N/A | 4.0 GB | 4.0 GB | N/A |
CPU speed | N/A | 1.1 GHz | 1.0 GHz | N/A |
Screen size | 1.39 in | 1.2 in | 1.3 in | 1.6 in |
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Display technology | OLED | OLED | OLED | N/A |
Screen resolution | 400 x 400 px | 390 x 390 px | 360 x 360 px | 320 x 320 px |
Type of glass | N/A | Gorilla Glass | Gorilla Glass | N/A |
Type of screen | N/A | Colour screen | Colour screen | N/A |
Accelerometer | yes | N/A | N/A | yes |
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Gyroscope | yes | yes | yes | yes |
Built-in camera | N/A | no | no | N/A |
Barometer | N/A | yes | yes | N/A |
Heart rate monitor | N/A | yes | yes | N/A |
Microphone | N/A | yes | yes | N/A |
Compass | N/A | yes | yes | yes |
Phone Functionality | N/A | N/A | yes | N/A |
Ambient Light Sensor | N/A | N/A | N/A | yes |
Case thickness | 0.35 in | 0.5 in | 0.51 in | 0.39 in |
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Replaceable wrist bands | yes | N/A | N/A | yes |
Watch case material | Stainless steel | Plastic/Synthetic |
| Stainless steel |
Wrist band material |
| Rubber |
|
|
Fully waterproof | yes | yes | no | yes |
Dust resistant | yes | N/A | N/A | yes |
Case diameter | N/A | 1.77 in | 1.81 in | 1.97 in |
Case height | N/A | 1.93 in | 1.93 in | N/A |
Weight | N/A | 1.41 oz | 2.19 oz | 1.59 oz |
Colour of bracelet | N/A |
|
| N/A |
Water resistance | N/A | yes | yes | yes |
IP code (level of dust/water resistance) | N/A | IP68 | IP68 | N/A |
Anti scratch lens | N/A | N/A | N/A | yes |
Bluetooth | yes | yes | yes | yes |
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Bluetooth version | 4.0 | 4.1 | 4.2 | 4.0 |
Wi-Fi | yes | yes | yes | yes |
NFC | yes | yes | yes | yes |
3G (UMTS) | N/A | no | yes | N/A |
4G (LTE) | N/A | no | no | N/A |
Wireless networking standard | N/A |
|
| N/A |
USB | N/A | yes | yes | N/A |
Built-in navigation system | N/A | yes | yes | N/A |
GPS | N/A | yes | yes | yes |
GLONASS | N/A | yes | yes | N/A |
Charging connection | N/A | N/A | N/A | microUSB |
Headphone connection | N/A | N/A | N/A | Bluetooth |
Battery capacity | 340.0 mAh | 450.0 mAh | 380.0 mAh | 420.0 mAh |
---|---|---|---|---|
Average battery life (standby) | 48.0 h | 600.0 h | 96.0 h | 48.0 h |
Wireless charging | N/A | yes | yes | N/A |
Battery technology | N/A | Li-Ion | Li-Ion | Li-polymer |
Battery life (running) | N/A | 48.0 h | 96.0 h | N/A |