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Editiorial reviews | ||||
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User rating |
Screen size | 1.4 in | N/A | 1.2 in | 1.6 in |
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Screen resolution | 400 x 400 px | 96 x 64 px | 360 x 360 px | 320 x 320 px |
Display technology | N/A | OLED | OLED | N/A |
Touchscreen | N/A | N/A | yes | N/A |
Type of glass | N/A | N/A | Gorilla Glass | N/A |
Type of screen | N/A | N/A | Colour screen | N/A |
Accelerometer | yes | N/A | yes | yes |
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Heart rate monitor | yes | yes | yes | N/A |
Compass | yes | N/A | N/A | yes |
Gyroscope | yes | yes | yes | yes |
Pedometer | yes | N/A | yes | N/A |
Built-in camera | N/A | N/A | no | N/A |
Ambient Light Sensor | N/A | N/A | yes | yes |
Barometer | N/A | N/A | yes | N/A |
Microphone | N/A | N/A | yes | N/A |
Case diameter | 1.77 in | 2.32 in | 1.67 in | 1.97 in |
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Case thickness | 0.51 in | 0.35 in | 0.45 in | 0.39 in |
Anti scratch lens | yes | N/A | N/A | yes |
Water resistance | yes | N/A | yes | yes |
Dust resistant | yes | N/A | yes | yes |
IP code (level of dust/water resistance) | IP67 | N/A | IP68 | N/A |
Case height | N/A | 1.18 in | 1.96 in | N/A |
Weight | N/A | 1.45 oz | 1.66 oz | 1.59 oz |
Watch case material | N/A | N/A | Stainless steel | Stainless steel |
Wrist band material | N/A | N/A |
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Colour of bracelet | N/A | N/A |
| N/A |
Fully waterproof | N/A | N/A | yes | yes |
Replaceable wrist bands | N/A | N/A | N/A | yes |
Bluetooth | yes | yes | yes | yes |
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Bluetooth version | 4.1 | 2.1 | 4.1 | 4.0 |
Built-in navigation system | yes | N/A | no | N/A |
USB | N/A | yes | yes | N/A |
3G (UMTS) | N/A | N/A | no | N/A |
4G (LTE) | N/A | N/A | yes | N/A |
Wi-Fi | N/A | N/A | yes | yes |
Wireless networking standard | N/A | N/A |
| N/A |
NFC | N/A | N/A | yes | yes |
Charging connection | N/A | N/A | Wireless | microUSB |
Headphone connection | N/A | N/A | Bluetooth | Bluetooth |
GPS | N/A | N/A | N/A | yes |
Battery technology | Li-Ion | Li-Ion | Li-Ion | Li-polymer |
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Battery capacity | 300.0 mAh | 200.0 mAh | 250.0 mAh | 420.0 mAh |
Wireless charging | N/A | N/A | yes | N/A |
Average battery life (standby) | N/A | N/A | 24.0 h | 48.0 h |
Battery life (running) | N/A | N/A | 24.0 h | N/A |