  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.25 in | 1.0 in | 1.2 in | 1.2 in |
|---|---|---|---|---|
| Display technology | LCD | N/A | OLED | OLED |
| Screen resolution | 144 x 168 px | 180 x 180 px | 360 x 360 px | 360 x 360 px |
| Type of glass | Gorilla Glass | N/A | Gorilla Glass | Gorilla Glass |
| Type of screen | Colour screen | N/A | Colour screen | N/A |
| Touchscreen | N/A | N/A | yes | N/A |
| Built-in camera | no | N/A | no | N/A |
|---|---|---|---|---|
| Accelerometer | yes | yes | yes | N/A |
| Ambient Light Sensor | yes | yes | yes | N/A |
| Auto adjust to smartphone time | yes | N/A | N/A | N/A |
| Microphone | yes | N/A | yes | yes |
| Compass | yes | yes | N/A | N/A |
| Gyroscope | yes | yes | yes | yes |
| Magnetometer | yes | yes | N/A | N/A |
| Pedometer | yes | yes | yes | N/A |
| Barometer | N/A | N/A | yes | yes |
| Heart rate monitor | N/A | N/A | yes | yes |
| Phone Functionality | N/A | N/A | N/A | yes |
| Case diameter | 1.59 in | 1.5 in | 1.67 in | 1.69 in |
|---|---|---|---|---|
| Case height | 1.48 in | N/A | 1.96 in | 1.76 in |
| Case thickness | 0.37 in | 0.28 in | 0.45 in | 0.46 in |
| Wrist band width | 0.87 in | 0.55 in | N/A | N/A |
| Weight | 1.5 oz | 0.99 oz | 1.66 oz | 2.36 oz |
| Watch case material |
| Stainless steel | Stainless steel |
|
| Wrist band material |
|
|
| Silicone |
| Colour of bracelet |
| N/A |
|
|
| Anti scratch lens | yes | yes | N/A | N/A |
| Water resistance | yes | yes | yes | N/A |
| Fully waterproof | yes | N/A | yes | N/A |
| Dust resistant | yes | N/A | yes | N/A |
| Replaceable wrist bands | N/A | yes | N/A | N/A |
| IP code (level of dust/water resistance) | N/A | N/A | IP68 | IP68 |
| Operating system |
|
|
| Tizen OS |
|---|---|---|---|---|
| Smartphone remote features |
| Voice Control |
| N/A |
| 3G (UMTS) | no | N/A | no | N/A |
|---|---|---|---|---|
| 4G (LTE) | no | N/A | yes | yes |
| Bluetooth | yes | yes | yes | yes |
| Bluetooth version | 4.0 | 4.0 | 4.1 | 4.2 |
| Wi-Fi | no | N/A | yes | yes |
| NFC | no | N/A | yes | yes |
| USB | yes | N/A | yes | yes |
| Charging connection | Proprietary USB Cable | Proprietary USB Cable | Wireless | N/A |
| Built-in navigation system | no | N/A | no | yes |
| Wireless networking standard | N/A | N/A |
| N/A |
| Headphone connection | N/A | N/A | Bluetooth | N/A |
| Battery technology | Li-Ion | N/A | Li-Ion | Li-Ion |
|---|---|---|---|---|
| Battery capacity | 150.0 mAh | 56.0 mAh | 250.0 mAh | 300.0 mAh |
| Average battery life (standby) | 168.0 h | 48.0 h | 24.0 h | 96.0 h |
| Battery life (running) | 168.0 h | N/A | 24.0 h | 48.0 h |
| Wireless charging | N/A | N/A | yes | yes |
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