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Editiorial reviews | ||||
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User rating |
RAM Memory | 512.0 mB | 512.0 mB | 768.0 mB | 768.0 mB |
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Internal storage space | N/A | 4.0 GB | 4.0 GB | 4.0 GB |
CPU cores | N/A | Single Core | Dual Core | Dual Core |
CPU speed | N/A | 0.8 GHz | 1.0 GHz | 1.0 GHz |
Touchscreen | yes | N/A | N/A | N/A |
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Screen size | 1.56 in | 1.63 in | 1.3 in | 1.2 in |
Display technology | LCD | OLED | OLED | OLED |
Screen resolution | 320 x 290 px | 320 x 320 px | 360 x 360 px | 360 x 360 px |
Type of glass | N/A | Gorilla Glass | Gorilla Glass | Gorilla Glass |
Type of screen | N/A | Colour screen | Colour screen | N/A |
Auto adjust to smartphone time | yes | N/A | N/A | N/A |
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Heart rate monitor | yes | yes | yes | yes |
Pedometer | yes | N/A | N/A | N/A |
Built-in camera | N/A | no | no | N/A |
Accelerometer | N/A | yes | N/A | N/A |
Altimeter | N/A | yes | N/A | N/A |
Barometer | N/A | yes | yes | yes |
Microphone | N/A | yes | yes | yes |
Compass | N/A | yes | yes | N/A |
Gyroscope | N/A | yes | yes | yes |
Phone Functionality | N/A | yes | yes | yes |
Case diameter | 1.81 in | 1.45 in | 1.81 in | 1.69 in |
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Case thickness | 0.43 in | 0.44 in | 0.51 in | 0.46 in |
Weight | 1.73 oz | 2.6 oz | 2.19 oz | 2.36 oz |
Replaceable wrist bands | yes | yes | N/A | N/A |
Watch case material | Stainless steel | Stainless steel |
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Anti scratch lens | yes | yes | N/A | N/A |
Water resistance | yes | yes | yes | N/A |
Fully waterproof | yes | yes | no | N/A |
Case height | N/A | 2.23 in | 1.93 in | 1.76 in |
Wrist band width | N/A | 0.87 in | N/A | N/A |
Wrist band material | N/A |
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| Silicone |
Colour of bracelet | N/A |
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Dust resistant | N/A | yes | N/A | N/A |
IP code (level of dust/water resistance) | N/A | IP68 | IP68 | IP68 |
Operating system | Android 4.3+ | Tizen OS | Tizen OS | Tizen OS |
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Smartphone remote features | Voice Control | N/A | N/A | N/A |
Bluetooth | yes | yes | yes | yes |
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Bluetooth version | 4.0 | 4.0 | 4.2 | 4.2 |
Wi-Fi | yes | yes | yes | yes |
Charging connection | Wireless | Wireless | N/A | N/A |
Headphone connection | Bluetooth | Bluetooth | N/A | N/A |
3G (UMTS) | N/A | no | yes | N/A |
4G (LTE) | N/A | yes | no | yes |
Wireless networking standard | N/A |
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| N/A |
NFC | N/A | yes | yes | yes |
USB | N/A | yes | yes | yes |
Built-in navigation system | N/A | yes | yes | yes |
GPS | N/A | yes | yes | N/A |
GLONASS | N/A | yes | yes | N/A |
Battery capacity | 320.0 mAh | 315.0 mAh | 380.0 mAh | 300.0 mAh |
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Average battery life (standby) | 24.0 h | 150.0 h | 96.0 h | 96.0 h |
Wireless charging | N/A | yes | yes | yes |
Battery technology | N/A | Li-Ion | Li-Ion | Li-Ion |
Battery life (running) | N/A | 25.0 h | 96.0 h | 48.0 h |