  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.3 in | 1.85 in | 1.63 in |
|---|---|---|---|
| Display technology | LCD | OLED | OLED |
| Screen resolution | 240 x 180 px | N/A | 320 x 320 px |
| Type of glass | Gorilla Glass | Mineral glass | Gorilla Glass |
| Type of screen | Colour screen | N/A | Colour screen |
| Built-in camera | no | N/A | no |
|---|---|---|---|
| Heart rate monitor | yes | N/A | yes |
| Compass | yes | N/A | N/A |
| Gyroscope | yes | yes | yes |
| Accelerometer | N/A | N/A | yes |
| Microphone | N/A | N/A | yes |
| Case diameter | 1.65 in | 1.77 in | 1.49 in |
|---|---|---|---|
| Case height | 1.65 in | 1.77 in | 2.31 in |
| Case thickness | 0.44 in | 0.51 in | 0.39 in |
| Weight | 1.55 oz | 5.89 oz | 1.94 oz |
| Watch case material |
| Stainless steel |
|
| Wrist band material |
| Steel | Rubber |
| Colour of bracelet |
|
|
|
| Water resistance | yes | N/A | yes |
| Fully waterproof | no | N/A | N/A |
| IP code (level of dust/water resistance) | N/A | N/A | IP67 |
| 3G (UMTS) | no | N/A | N/A |
|---|---|---|---|
| 4G (LTE) | no | N/A | no |
| Bluetooth | yes | yes | yes |
| Bluetooth version | 4.0 | 4.1 | 4.0 |
| Wi-Fi | yes | N/A | no |
| NFC | no | N/A | no |
| USB | yes | N/A | yes |
| Built-in navigation system | no | yes | N/A |
| Infrared (IR) | N/A | N/A | yes |
| Battery technology | Li-polymer | N/A | Li-Ion |
|---|---|---|---|
| Battery capacity | 167.0 mAh | N/A | 300.0 mAh |
| Battery life (running) | 120.0 h | 24.0 h | 48.0 h |
| Average battery life (standby) | N/A | 24.0 h | 144.0 h |
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