  |  |  |  |  |
| Screen size | 1.2 in | 1.4 in | 1.63 in | 1.2 in | 1.63 in |
|---|---|---|---|---|---|
| Display technology | LED | OLED | OLED | OLED | OLED |
| Screen resolution | N/A | 400 x 400 px | 320 x 320 px | 360 x 360 px | 320 x 320 px |
| Type of glass | N/A | Sapphire glass | Gorilla Glass | Gorilla Glass | Gorilla Glass |
| Type of screen | N/A | N/A | Colour screen | Colour screen | Colour screen |
| Touchscreen | N/A | N/A | N/A | yes | N/A |
| Accelerometer | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Altimeter | yes | N/A | N/A | N/A | yes |
| Heart rate monitor | yes | yes | yes | yes | yes |
| Compass | yes | N/A | N/A | N/A | yes |
| Pedometer | yes | yes | N/A | yes | N/A |
| Barometer | N/A | yes | N/A | yes | yes |
| Microphone | N/A | yes | yes | yes | yes |
| Gyroscope | N/A | yes | yes | yes | yes |
| Built-in camera | N/A | N/A | no | no | no |
| Ambient Light Sensor | N/A | N/A | N/A | yes | N/A |
| Phone Functionality | N/A | N/A | N/A | N/A | yes |
| Notifications |
|
| N/A |
|
|
|---|---|---|---|---|---|
| Incoming notification options | View Content | N/A | N/A |
|
|
| Methods Of Notification | Sound | Vibration | Backlit Screen |
| Sound |
| Weight | 3.95 oz | N/A | 1.94 oz | 1.66 oz | 2.6 oz |
|---|---|---|---|---|---|
| Replaceable wrist bands | yes | yes | N/A | N/A | yes |
| Watch case material | Titanium | Stainless steel |
| Stainless steel | Stainless steel |
| Wrist band material |
|
| Rubber |
|
|
| Anti scratch lens | yes | yes | N/A | N/A | yes |
| Water resistance | yes | N/A | yes | yes | yes |
| Fully waterproof | yes | N/A | N/A | yes | yes |
| Case diameter | N/A | 1.65 in | 1.49 in | 1.67 in | 1.45 in |
| Case height | N/A | 0.0 in | 2.31 in | 1.96 in | 2.23 in |
| Case thickness | N/A | 0.44 in | 0.39 in | 0.45 in | 0.44 in |
| Wrist band width | N/A | 0.71 in | N/A | N/A | 0.87 in |
| IP code (level of dust/water resistance) | N/A | IP67 | IP67 | IP68 | IP68 |
| Colour of bracelet | N/A | N/A |
|
|
|
| Dust resistant | N/A | N/A | N/A | yes | yes |
| Bluetooth | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.0 | 4.1 | 4.0 |
| Charging connection | microUSB | Proprietary USB Cable | N/A | Wireless | Wireless |
| GPS | yes | N/A | N/A | N/A | yes |
| Wi-Fi | N/A | yes | no | yes | yes |
| USB | N/A | yes | yes | yes | yes |
| 4G (LTE) | N/A | N/A | no | yes | yes |
| NFC | N/A | N/A | no | yes | yes |
| Infrared (IR) | N/A | N/A | yes | N/A | N/A |
| 3G (UMTS) | N/A | N/A | N/A | no | no |
| Wireless networking standard | N/A | N/A | N/A |
|
|
| Headphone connection | N/A | N/A | N/A | Bluetooth | Bluetooth |
| Built-in navigation system | N/A | N/A | N/A | no | yes |
| GLONASS | N/A | N/A | N/A | N/A | yes |
| Battery technology | Li-Ion | Li-Ion | Li-Ion | Li-Ion | Li-Ion |
|---|---|---|---|---|---|
| Battery capacity | 180.0 mAh | 300.0 mAh | 300.0 mAh | 250.0 mAh | 315.0 mAh |
| Average battery life (standby) | 24.0 h | N/A | 144.0 h | 24.0 h | 150.0 h |
| Battery life (running) | N/A | N/A | 48.0 h | 24.0 h | 25.0 h |
| Wireless charging | N/A | N/A | N/A | yes | yes |
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