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Editiorial reviews | ||||
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User rating |
Screen size | 1.39 in | 1.34 in | 0.95 in | 1.3 in |
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Display technology | OLED | LCD | OLED | OLED |
Screen resolution | 400 x 400 px | 300 x 300 px | 144 x 168 px | 360 x 360 px |
Type of glass | N/A | Gorilla Glass | Gorilla Glass | Gorilla Glass |
Type of screen | N/A | N/A | N/A | Colour screen |
Accelerometer | yes | N/A | N/A | N/A |
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Gyroscope | yes | yes | yes | yes |
Heart rate monitor | N/A | yes | yes | yes |
Microphone | N/A | N/A | yes | yes |
Phone Functionality | N/A | N/A | yes | yes |
Built-in camera | N/A | N/A | N/A | no |
Barometer | N/A | N/A | N/A | yes |
Compass | N/A | N/A | N/A | yes |
Case thickness | 0.35 in | N/A | 0.53 in | 0.51 in |
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Replaceable wrist bands | yes | N/A | N/A | N/A |
Watch case material | Stainless steel |
| Plastic/Synthetic |
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Wrist band material |
| Silicone | Silicone |
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Fully waterproof | yes | N/A | N/A | no |
Dust resistant | yes | N/A | N/A | N/A |
Case diameter | N/A | 0.94 in | 1.57 in | 1.81 in |
Case height | N/A | 0.94 in | 1.18 in | 1.93 in |
Weight | N/A | 1.31 oz | 1.41 oz | 2.19 oz |
Colour of bracelet | N/A |
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IP code (level of dust/water resistance) | N/A | N/A | IP67 | IP68 |
Water resistance | N/A | N/A | N/A | yes |
Bluetooth | yes | yes | no | yes |
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Bluetooth version | 4.0 | 4.0 | 4.1 | 4.2 |
Wi-Fi | yes | yes | yes | yes |
NFC | yes | N/A | N/A | yes |
Built-in navigation system | N/A | no | yes | yes |
3G (UMTS) | N/A | N/A | yes | yes |
USB | N/A | N/A | yes | yes |
GPS | N/A | N/A | yes | yes |
4G (LTE) | N/A | N/A | N/A | no |
Wireless networking standard | N/A | N/A | N/A |
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GLONASS | N/A | N/A | N/A | yes |