  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.34 in | 1.2 in | 1.3 in | 1.63 in |
|---|---|---|---|---|
| Display technology | LCD | OLED | OLED | OLED |
| Screen resolution | 300 x 300 px | 390 x 390 px | N/A | 320 x 320 px |
| Type of glass | Gorilla Glass | Gorilla Glass | Mineral glass | Gorilla Glass |
| Type of screen | N/A | Colour screen | N/A | Colour screen |
| Heart rate monitor | yes | yes | N/A | yes |
|---|---|---|---|---|
| Gyroscope | yes | yes | yes | yes |
| Built-in camera | N/A | no | N/A | no |
| Barometer | N/A | yes | N/A | yes |
| Microphone | N/A | yes | N/A | yes |
| Compass | N/A | yes | N/A | yes |
| Accelerometer | N/A | N/A | N/A | yes |
| Altimeter | N/A | N/A | N/A | yes |
| Phone Functionality | N/A | N/A | N/A | yes |
| Case diameter | 0.94 in | 1.77 in | 1.73 in | 1.45 in |
|---|---|---|---|---|
| Case height | 0.94 in | 1.93 in | 0.0 in | 2.23 in |
| Weight | 1.31 oz | 1.41 oz | N/A | 2.6 oz |
| Watch case material |
| Plastic/Synthetic | Stainless steel | Stainless steel |
| Wrist band material | Silicone | Rubber |
|
|
| Colour of bracelet |
|
|
|
|
| Case thickness | N/A | 0.5 in | 0.55 in | 0.44 in |
| Water resistance | N/A | yes | N/A | yes |
| Fully waterproof | N/A | yes | N/A | yes |
| IP code (level of dust/water resistance) | N/A | IP68 | N/A | IP68 |
| Wrist band width | N/A | N/A | N/A | 0.87 in |
| Replaceable wrist bands | N/A | N/A | N/A | yes |
| Anti scratch lens | N/A | N/A | N/A | yes |
| Dust resistant | N/A | N/A | N/A | yes |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | N/A | 4.0 |
| Wi-Fi | yes | yes | N/A | yes |
| Built-in navigation system | no | yes | yes | yes |
| 3G (UMTS) | N/A | no | N/A | no |
| 4G (LTE) | N/A | no | N/A | yes |
| Wireless networking standard | N/A |
| N/A |
|
| NFC | N/A | yes | N/A | yes |
| USB | N/A | yes | N/A | yes |
| GPS | N/A | yes | N/A | yes |
| GLONASS | N/A | yes | N/A | yes |
| Charging connection | N/A | N/A | N/A | Wireless |
| Headphone connection | N/A | N/A | N/A | Bluetooth |
| Battery technology | Li-polymer | Li-Ion | N/A | Li-Ion |
|---|---|---|---|---|
| Battery life (running) | 96.0 h | 48.0 h | 24.0 h | 25.0 h |
| Wireless charging | N/A | yes | N/A | yes |
| Battery capacity | N/A | 450.0 mAh | N/A | 315.0 mAh |
| Average battery life (standby) | N/A | 600.0 h | 24.0 h | 150.0 h |
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