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Editiorial reviews | ||||
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User rating |
RAM Memory | 768.0 mB | 512.0 mB | 512.0 mB | 768.0 mB |
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Internal storage space | 4.0 GB | 4.0 GB | 4.0 GB | 4.0 GB |
CPU cores | Quad Core | Quad Core | Single Core | Dual Core |
CPU speed | 1.1 GHz | 1.2 GHz | 0.8 GHz | 1.0 GHz |
Screen size | 1.2 in | 1.3 in | 1.63 in | 1.3 in |
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Display technology | OLED | OLED | OLED | OLED |
Screen resolution | 390 x 390 px | 320 x 320 px | 320 x 320 px | 360 x 360 px |
Type of glass | Gorilla Glass | Gorilla Glass | N/A | Gorilla Glass |
Type of screen | Colour screen | Colour screen | Colour screen | Colour screen |
Touchscreen | N/A | yes | N/A | N/A |
Multi touch | N/A | yes | N/A | N/A |
Built-in camera | no | no | yes | no |
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Barometer | yes | yes | N/A | yes |
Heart rate monitor | yes | yes | N/A | yes |
Microphone | yes | yes | yes | yes |
Compass | yes | yes | N/A | yes |
Gyroscope | yes | yes | yes | yes |
Accelerometer | N/A | yes | N/A | N/A |
Pedometer | N/A | yes | N/A | N/A |
Phone Functionality | N/A | N/A | N/A | yes |
Case diameter | 1.77 in | 1.79 in | 1.45 in | 1.81 in |
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Case height | 1.93 in | 2.06 in | 2.23 in | 1.93 in |
Case thickness | 0.5 in | 0.43 in | 0.44 in | 0.51 in |
Weight | 1.41 oz | 2.35 oz | 2.6 oz | 2.19 oz |
Watch case material | Plastic/Synthetic |
| Stainless steel |
|
Wrist band material | Rubber | Leather | Rubber |
|
Colour of bracelet |
| Black | N/A |
|
Water resistance | yes | yes | N/A | yes |
Fully waterproof | yes | yes | N/A | no |
IP code (level of dust/water resistance) | IP68 | IP67 | N/A | IP68 |
Replaceable wrist bands | N/A | yes | N/A | N/A |
Dust resistant | N/A | yes | N/A | N/A |
3G (UMTS) | no | no | no | yes |
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4G (LTE) | no | no | no | no |
Bluetooth | yes | yes | yes | yes |
Bluetooth version | 4.1 | 4.1 | 4.0 | 4.2 |
Wi-Fi | yes | yes | no | yes |
Wireless networking standard |
| N/A | N/A |
|
NFC | yes | no | yes | yes |
USB | yes | yes | yes | yes |
Built-in navigation system | yes | no | no | yes |
GPS | yes | yes | N/A | yes |
GLONASS | yes | N/A | N/A | yes |
Charging connection | N/A | Proprietary USB Cable | N/A | N/A |
Headphone connection | N/A | Bluetooth | N/A | N/A |
Wireless charging | yes | N/A | N/A | yes |
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Battery technology | Li-Ion | Li-polymer | Li-Ion | Li-Ion |
Battery capacity | 450.0 mAh | 410.0 mAh | 315.0 mAh | 380.0 mAh |
Average battery life (standby) | 600.0 h | 24.0 h | 150.0 h | 96.0 h |
Battery life (running) | 48.0 h | 48.0 h | 25.0 h | 96.0 h |