  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.2 in | 1.3 in | N/A | 1.63 in |
|---|---|---|---|---|
| Display technology | LED | OLED | OLED | OLED |
| Touchscreen | N/A | yes | N/A | N/A |
| Screen resolution | N/A | 320 x 320 px | 96 x 64 px | 320 x 320 px |
| Type of glass | N/A | Gorilla Glass | N/A | Gorilla Glass |
| Type of screen | N/A | Colour screen | N/A | Colour screen |
| Multi touch | N/A | yes | N/A | N/A |
| Accelerometer | yes | yes | N/A | yes |
|---|---|---|---|---|
| Altimeter | yes | N/A | N/A | yes |
| Heart rate monitor | yes | yes | yes | yes |
| Compass | yes | yes | N/A | yes |
| Pedometer | yes | yes | N/A | N/A |
| Built-in camera | N/A | no | N/A | no |
| Barometer | N/A | yes | N/A | yes |
| Microphone | N/A | yes | N/A | yes |
| Gyroscope | N/A | yes | yes | yes |
| Phone Functionality | N/A | N/A | N/A | yes |
| Weight | 3.95 oz | 2.35 oz | 1.45 oz | 2.6 oz |
|---|---|---|---|---|
| Replaceable wrist bands | yes | yes | N/A | yes |
| Watch case material | Titanium |
| N/A | Stainless steel |
| Wrist band material |
| Leather | N/A |
|
| Anti scratch lens | yes | N/A | N/A | yes |
| Water resistance | yes | yes | N/A | yes |
| Fully waterproof | yes | yes | N/A | yes |
| Case diameter | N/A | 1.79 in | 2.32 in | 1.45 in |
| Case height | N/A | 2.06 in | 1.18 in | 2.23 in |
| Case thickness | N/A | 0.43 in | 0.35 in | 0.44 in |
| Colour of bracelet | N/A | Black | N/A |
|
| Dust resistant | N/A | yes | N/A | yes |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | IP68 |
| Wrist band width | N/A | N/A | N/A | 0.87 in |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 2.1 | 4.0 |
| Charging connection | microUSB | Proprietary USB Cable | N/A | Wireless |
| GPS | yes | yes | N/A | yes |
| 3G (UMTS) | N/A | no | N/A | no |
| 4G (LTE) | N/A | no | N/A | yes |
| Wi-Fi | N/A | yes | N/A | yes |
| NFC | N/A | no | N/A | yes |
| USB | N/A | yes | yes | yes |
| Headphone connection | N/A | Bluetooth | N/A | Bluetooth |
| Built-in navigation system | N/A | no | N/A | yes |
| Wireless networking standard | N/A | N/A | N/A |
|
| GLONASS | N/A | N/A | N/A | yes |
| Battery technology | Li-Ion | Li-polymer | Li-Ion | Li-Ion |
|---|---|---|---|---|
| Battery capacity | 180.0 mAh | 410.0 mAh | 200.0 mAh | 315.0 mAh |
| Average battery life (standby) | 24.0 h | 24.0 h | N/A | 150.0 h |
| Battery life (running) | N/A | 48.0 h | N/A | 25.0 h |
| Wireless charging | N/A | N/A | N/A | yes |
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