  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.2 in | 1.85 in | 1.63 in | 1.6 in |
|---|---|---|---|---|
| Display technology | LED | OLED | OLED | N/A |
| Type of glass | N/A | Mineral glass | Gorilla Glass | N/A |
| Screen resolution | N/A | N/A | 320 x 320 px | 320 x 320 px |
| Type of screen | N/A | N/A | Colour screen | N/A |
| Weight | 3.95 oz | 5.89 oz | 1.94 oz | 1.59 oz |
|---|---|---|---|---|
| Replaceable wrist bands | yes | N/A | N/A | yes |
| Watch case material | Titanium | Stainless steel |
| Stainless steel |
| Wrist band material |
| Steel | Rubber |
|
| Anti scratch lens | yes | N/A | N/A | yes |
| Water resistance | yes | N/A | yes | yes |
| Fully waterproof | yes | N/A | N/A | yes |
| Case diameter | N/A | 1.77 in | 1.49 in | 1.97 in |
| Case height | N/A | 1.77 in | 2.31 in | N/A |
| Case thickness | N/A | 0.51 in | 0.39 in | 0.39 in |
| Colour of bracelet | N/A |
|
| N/A |
| IP code (level of dust/water resistance) | N/A | N/A | IP67 | N/A |
| Dust resistant | N/A | N/A | N/A | yes |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.0 | 4.0 |
| Charging connection | microUSB | N/A | N/A | microUSB |
| GPS | yes | N/A | N/A | yes |
| Built-in navigation system | N/A | yes | N/A | N/A |
| 4G (LTE) | N/A | N/A | no | N/A |
| Wi-Fi | N/A | N/A | no | yes |
| NFC | N/A | N/A | no | yes |
| USB | N/A | N/A | yes | N/A |
| Infrared (IR) | N/A | N/A | yes | N/A |
| Headphone connection | N/A | N/A | N/A | Bluetooth |
| Battery technology | Li-Ion | N/A | Li-Ion | Li-polymer |
|---|---|---|---|---|
| Battery capacity | 180.0 mAh | N/A | 300.0 mAh | 420.0 mAh |
| Average battery life (standby) | 24.0 h | 24.0 h | 144.0 h | 48.0 h |
| Battery life (running) | N/A | 24.0 h | 48.0 h | N/A |
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