  |  |  | |
| Editiorial reviews | |||
| User rating |
| RAM Memory | 512.0 mB | 768.0 mB | 512.0 mB |
|---|---|---|---|
| Internal storage space | 4.0 GB | 4.0 GB | 4.0 GB |
| CPU cores | Quad Core | Dual Core | Dual Core |
| CPU speed | 1.2 GHz | 1.0 GHz | 1.2 GHz |
| Touchscreen | yes | N/A | N/A |
|---|---|---|---|
| Screen size | 1.3 in | 1.3 in | 1.34 in |
| Display technology | OLED | OLED | LCD |
| Screen resolution | 320 x 320 px | 360 x 360 px | 320 x 300 px |
| Type of glass | Gorilla Glass | Gorilla Glass | Gorilla Glass |
| Type of screen | Colour screen | Colour screen | N/A |
| Multi touch | yes | N/A | N/A |
| Built-in camera | no | no | N/A |
|---|---|---|---|
| Accelerometer | yes | N/A | N/A |
| Barometer | yes | yes | yes |
| Heart rate monitor | yes | yes | yes |
| Microphone | yes | yes | yes |
| Compass | yes | yes | yes |
| Gyroscope | yes | yes | yes |
| Pedometer | yes | N/A | N/A |
| Phone Functionality | N/A | yes | N/A |
| Case diameter | 1.79 in | 1.81 in | 1.81 in |
|---|---|---|---|
| Case height | 2.06 in | 1.93 in | 1.81 in |
| Case thickness | 0.43 in | 0.51 in | 0.47 in |
| Weight | 2.35 oz | 2.19 oz | 1.89 oz |
| Replaceable wrist bands | yes | N/A | N/A |
| Watch case material |
|
|
|
| Wrist band material | Leather |
| Silicone |
| Colour of bracelet | Black |
|
|
| Water resistance | yes | yes | yes |
| Fully waterproof | yes | no | no |
| Dust resistant | yes | N/A | N/A |
| IP code (level of dust/water resistance) | IP67 | IP68 | IP67 |
| 3G (UMTS) | no | yes | N/A |
|---|---|---|---|
| 4G (LTE) | no | no | N/A |
| Bluetooth | yes | yes | yes |
| Bluetooth version | 4.1 | 4.2 | 4.0 |
| Wi-Fi | yes | yes | yes |
| NFC | no | yes | N/A |
| USB | yes | yes | yes |
| Charging connection | Proprietary USB Cable | N/A | N/A |
| Headphone connection | Bluetooth | N/A | N/A |
| Built-in navigation system | no | yes | yes |
| GPS | yes | yes | yes |
| Wireless networking standard | N/A |
| N/A |
| GLONASS | N/A | yes | yes |
| Battery technology | Li-polymer | Li-Ion | Li-polymer |
|---|---|---|---|
| Battery capacity | 410.0 mAh | 380.0 mAh | 280.0 mAh |
| Average battery life (standby) | 24.0 h | 96.0 h | 278.0 h |
| Battery life (running) | 48.0 h | 96.0 h | 35.0 h |
| Wireless charging | N/A | yes | N/A |
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