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Editiorial reviews | ||||
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User rating |
RAM Memory | 32.0 mB | 128.0 mB | 512.0 mB | 512.0 mB |
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Internal storage space | 0.06 GB | 256.0 GB | 4.0 GB | 4.0 GB |
CPU cores | N/A | N/A | Dual Core | Dual Core |
CPU speed | N/A | N/A | 1.0 GHz | 1.2 GHz |
Screen size | 0.95 in | 1.54 in | 1.2 in | 1.34 in |
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Display technology | OLED | LCD | OLED | LCD |
Screen resolution | 144 x 168 px | 240 x 240 px | 360 x 360 px | 320 x 300 px |
Type of glass | Gorilla Glass | N/A | Gorilla Glass | Gorilla Glass |
Touchscreen | N/A | N/A | yes | N/A |
Type of screen | N/A | N/A | Colour screen | N/A |
Heart rate monitor | yes | yes | yes | yes |
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Microphone | yes | yes | yes | yes |
Gyroscope | yes | yes | yes | yes |
Phone Functionality | yes | N/A | N/A | N/A |
Built-in camera | N/A | yes | no | N/A |
Accelerometer | N/A | yes | yes | N/A |
Pedometer | N/A | yes | yes | N/A |
Ambient Light Sensor | N/A | N/A | yes | N/A |
Barometer | N/A | N/A | yes | yes |
Compass | N/A | N/A | N/A | yes |
Case diameter | 1.57 in | 1.69 in | 1.67 in | 1.81 in |
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Case height | 1.18 in | 0.0 in | 1.96 in | 1.81 in |
Case thickness | 0.53 in | 0.43 in | 0.45 in | 0.47 in |
Weight | 1.41 oz | 1.53 oz | 1.66 oz | 1.89 oz |
Watch case material | Plastic/Synthetic |
| Stainless steel |
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Wrist band material | Silicone |
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| Silicone |
Colour of bracelet |
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IP code (level of dust/water resistance) | IP67 | N/A | IP68 | IP67 |
Replaceable wrist bands | N/A | yes | N/A | N/A |
Anti scratch lens | N/A | yes | N/A | N/A |
Water resistance | N/A | N/A | yes | yes |
Fully waterproof | N/A | N/A | yes | no |
Dust resistant | N/A | N/A | yes | N/A |
3G (UMTS) | yes | N/A | no | N/A |
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Bluetooth | no | yes | yes | yes |
Bluetooth version | 4.1 | 3.0 | 4.1 | 4.0 |
Wi-Fi | yes | yes | yes | yes |
USB | yes | yes | yes | yes |
Built-in navigation system | yes | no | no | yes |
GPS | yes | N/A | N/A | yes |
Charging connection | N/A | Proprietary USB Cable | Wireless | N/A |
4G (LTE) | N/A | N/A | yes | N/A |
Wireless networking standard | N/A | N/A |
| N/A |
NFC | N/A | N/A | yes | N/A |
Headphone connection | N/A | N/A | Bluetooth | N/A |
GLONASS | N/A | N/A | N/A | yes |
Battery technology | Li-Ion | Li-Ion | Li-Ion | Li-polymer |
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Battery capacity | 130.0 mAh | 400.0 mAh | 250.0 mAh | 280.0 mAh |
Battery life (running) | 144.0 h | 24.0 h | 24.0 h | 35.0 h |
Average battery life (standby) | N/A | 240.0 h | 24.0 h | 278.0 h |
Wireless charging | N/A | N/A | yes | N/A |