  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Touchscreen | yes | yes | N/A | N/A |
|---|---|---|---|---|
| Display technology | LCD | LCD | OLED | OLED |
| Screen resolution | 240 x 204 px | 240 x 204 px | 360 x 360 px | 360 x 360 px |
| Type of screen | Colour screen | Colour screen | Colour screen | N/A |
| Screen size | N/A | 1.22 in | 1.3 in | 1.2 in |
| Type of glass | N/A | N/A | Gorilla Glass | Gorilla Glass |
| Accelerometer | yes | N/A | N/A | N/A |
|---|---|---|---|---|
| Gyroscope | yes | yes | yes | yes |
| Pedometer | yes | yes | N/A | N/A |
| Heart rate monitor | N/A | yes | yes | yes |
| Microphone | N/A | yes | yes | yes |
| Built-in camera | N/A | N/A | no | N/A |
| Barometer | N/A | N/A | yes | yes |
| Compass | N/A | N/A | yes | N/A |
| Phone Functionality | N/A | N/A | yes | yes |
| Case thickness | 0.52 in | N/A | 0.51 in | 0.46 in |
|---|---|---|---|---|
| Weight | 2.22 oz | 2.01 oz | 2.19 oz | 2.36 oz |
| Replaceable wrist bands | yes | N/A | N/A | N/A |
| Watch case material |
| N/A |
|
|
| Wrist band material | Silicone | N/A |
| Silicone |
| Water resistance | yes | yes | yes | N/A |
| IP code (level of dust/water resistance) | IP56 | IP67 | IP68 | IP68 |
| Colour of bracelet | N/A |
|
|
|
| Case diameter | N/A | N/A | 1.81 in | 1.69 in |
| Case height | N/A | N/A | 1.93 in | 1.76 in |
| Fully waterproof | N/A | N/A | no | N/A |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.2 | 4.2 |
| USB | yes | yes | yes | yes |
| 3G (UMTS) | N/A | N/A | yes | N/A |
| 4G (LTE) | N/A | N/A | no | yes |
| Wi-Fi | N/A | N/A | yes | yes |
| Wireless networking standard | N/A | N/A |
| N/A |
| NFC | N/A | N/A | yes | yes |
| Built-in navigation system | N/A | N/A | yes | yes |
| GPS | N/A | N/A | yes | N/A |
| GLONASS | N/A | N/A | yes | N/A |
| Battery technology | Li-Ion | Li-Ion | Li-Ion | Li-Ion |
|---|---|---|---|---|
| Battery capacity | 300.0 mAh | 260.0 mAh | 380.0 mAh | 300.0 mAh |
| Average battery life (standby) | 72.0 h | 72.0 h | 96.0 h | 96.0 h |
| Wireless charging | N/A | N/A | yes | yes |
| Battery life (running) | N/A | N/A | 96.0 h | 48.0 h |
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