  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Case diameter | 1.73 in | 1.77 in | 2.64 in | 1.81 in |
|---|---|---|---|---|
| Case thickness | 0.59 in | 0.5 in | 0.43 in | 0.51 in |
| Wrist band width | 0.87 in | N/A | 0.87 in | N/A |
| Weight | 2.4 oz | 1.41 oz | 2.57 oz | 2.19 oz |
| Replaceable wrist bands | yes | N/A | N/A | N/A |
| Watch case material | Stainless steel | Plastic/Synthetic | Stainless steel |
|
| Wrist band material |
| Rubber | N/A |
|
| Water resistance | yes | yes | yes | yes |
| Case height | N/A | 1.93 in | N/A | 1.93 in |
| Colour of bracelet | N/A |
| N/A |
|
| Fully waterproof | N/A | yes | N/A | no |
| IP code (level of dust/water resistance) | N/A | IP68 | N/A | IP68 |
| Operating system |
| Android Wear 2.0 | Android 2.3+ | Tizen OS |
|---|---|---|---|---|
| Smartphone remote features | N/A | N/A |
| N/A |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.0 | 4.2 |
| Charging connection | Proprietary USB Cable | N/A | Proprietary USB Cable | N/A |
| 3G (UMTS) | N/A | no | N/A | yes |
| 4G (LTE) | N/A | no | N/A | no |
| Wi-Fi | N/A | yes | N/A | yes |
| Wireless networking standard | N/A |
| N/A |
|
| NFC | N/A | yes | N/A | yes |
| USB | N/A | yes | N/A | yes |
| Built-in navigation system | N/A | yes | N/A | yes |
| GPS | N/A | yes | N/A | yes |
| GLONASS | N/A | yes | N/A | yes |
| Battery capacity | 27.0 mAh | 450.0 mAh | 315.0 mAh | 380.0 mAh |
|---|---|---|---|---|
| Wireless charging | N/A | yes | N/A | yes |
| Battery technology | N/A | Li-Ion | N/A | Li-Ion |
| Average battery life (standby) | N/A | 600.0 h | 36.0 h | 96.0 h |
| Battery life (running) | N/A | 48.0 h | N/A | 96.0 h |
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