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Screen size | 1.39 in | 1.34 in | 1.85 in | 1.63 in | 1.6 in |
---|---|---|---|---|---|
Display technology | OLED | LCD | OLED | OLED | N/A |
Screen resolution | 400 x 400 px | 300 x 300 px | N/A | 320 x 320 px | 320 x 320 px |
Type of glass | N/A | Gorilla Glass | Mineral glass | Gorilla Glass | N/A |
Type of screen | N/A | N/A | N/A | Colour screen | N/A |
Accelerometer | yes | N/A | N/A | yes | yes |
---|---|---|---|---|---|
Gyroscope | yes | yes | yes | yes | yes |
Heart rate monitor | N/A | yes | N/A | yes | N/A |
Built-in camera | N/A | N/A | N/A | no | N/A |
Microphone | N/A | N/A | N/A | yes | N/A |
Ambient Light Sensor | N/A | N/A | N/A | N/A | yes |
Compass | N/A | N/A | N/A | N/A | yes |
Case thickness | 0.35 in | N/A | 0.51 in | 0.39 in | 0.39 in |
---|---|---|---|---|---|
Replaceable wrist bands | yes | N/A | N/A | N/A | yes |
Watch case material | Stainless steel |
| Stainless steel |
| Stainless steel |
Wrist band material |
| Silicone | Steel | Rubber |
|
Fully waterproof | yes | N/A | N/A | N/A | yes |
Dust resistant | yes | N/A | N/A | N/A | yes |
Case diameter | N/A | 0.94 in | 1.77 in | 1.49 in | 1.97 in |
Case height | N/A | 0.94 in | 1.77 in | 2.31 in | N/A |
Weight | N/A | 1.31 oz | 5.89 oz | 1.94 oz | 1.59 oz |
Colour of bracelet | N/A |
|
|
| N/A |
Water resistance | N/A | N/A | N/A | yes | yes |
IP code (level of dust/water resistance) | N/A | N/A | N/A | IP67 | N/A |
Anti scratch lens | N/A | N/A | N/A | N/A | yes |
Bluetooth | yes | yes | yes | yes | yes |
---|---|---|---|---|---|
Bluetooth version | 4.0 | 4.0 | 4.1 | 4.0 | 4.0 |
Wi-Fi | yes | yes | N/A | no | yes |
NFC | yes | N/A | N/A | no | yes |
Built-in navigation system | N/A | no | yes | N/A | N/A |
4G (LTE) | N/A | N/A | N/A | no | N/A |
USB | N/A | N/A | N/A | yes | N/A |
Infrared (IR) | N/A | N/A | N/A | yes | N/A |
Charging connection | N/A | N/A | N/A | N/A | microUSB |
Headphone connection | N/A | N/A | N/A | N/A | Bluetooth |
GPS | N/A | N/A | N/A | N/A | yes |