  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.39 in | 1.34 in | 1.3 in | 1.34 in |
|---|---|---|---|---|
| Display technology | OLED | LCD | OLED | LCD |
| Screen resolution | 400 x 400 px | 300 x 300 px | 360 x 360 px | 320 x 300 px |
| Type of glass | N/A | Gorilla Glass | Gorilla Glass | Gorilla Glass |
| Type of screen | N/A | N/A | Colour screen | N/A |
| Accelerometer | yes | N/A | N/A | N/A |
|---|---|---|---|---|
| Gyroscope | yes | yes | yes | yes |
| Heart rate monitor | N/A | yes | yes | yes |
| Built-in camera | N/A | N/A | no | N/A |
| Barometer | N/A | N/A | yes | yes |
| Microphone | N/A | N/A | yes | yes |
| Compass | N/A | N/A | yes | yes |
| Phone Functionality | N/A | N/A | yes | N/A |
| Case thickness | 0.35 in | N/A | 0.51 in | 0.47 in |
|---|---|---|---|---|
| Replaceable wrist bands | yes | N/A | N/A | N/A |
| Watch case material | Stainless steel |
|
|
|
| Wrist band material |
| Silicone |
| Silicone |
| Fully waterproof | yes | N/A | no | no |
| Dust resistant | yes | N/A | N/A | N/A |
| Case diameter | N/A | 0.94 in | 1.81 in | 1.81 in |
| Case height | N/A | 0.94 in | 1.93 in | 1.81 in |
| Weight | N/A | 1.31 oz | 2.19 oz | 1.89 oz |
| Colour of bracelet | N/A |
|
|
|
| Water resistance | N/A | N/A | yes | yes |
| IP code (level of dust/water resistance) | N/A | N/A | IP68 | IP67 |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.2 | 4.0 |
| Wi-Fi | yes | yes | yes | yes |
| NFC | yes | N/A | yes | N/A |
| Built-in navigation system | N/A | no | yes | yes |
| 3G (UMTS) | N/A | N/A | yes | N/A |
| 4G (LTE) | N/A | N/A | no | N/A |
| Wireless networking standard | N/A | N/A |
| N/A |
| USB | N/A | N/A | yes | yes |
| GPS | N/A | N/A | yes | yes |
| GLONASS | N/A | N/A | yes | yes |
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