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Screen size | 1.4 in | N/A | 1.26 in | 1.25 in | 1.0 in |
---|---|---|---|---|---|
Display technology | OLED | OLED | LCD | LCD | N/A |
Screen resolution | 400 x 400 px | 96 x 64 px | 144 x 168 px | 144 x 168 px | 180 x 180 px |
Type of glass | Sapphire glass | N/A | Gorilla Glass | Gorilla Glass | N/A |
Type of screen | N/A | N/A | Monochrome | Colour screen | N/A |
Accelerometer | yes | N/A | N/A | yes | yes |
---|---|---|---|---|---|
Barometer | yes | N/A | N/A | N/A | N/A |
Heart rate monitor | yes | yes | yes | N/A | N/A |
Microphone | yes | N/A | yes | yes | N/A |
Gyroscope | yes | yes | yes | yes | yes |
Pedometer | yes | N/A | N/A | yes | yes |
Built-in camera | N/A | N/A | no | no | N/A |
Ambient Light Sensor | N/A | N/A | N/A | yes | yes |
Auto adjust to smartphone time | N/A | N/A | N/A | yes | N/A |
Compass | N/A | N/A | N/A | yes | yes |
Magnetometer | N/A | N/A | N/A | yes | yes |
Case diameter | 1.65 in | 2.32 in | 1.56 in | 1.59 in | 1.5 in |
---|---|---|---|---|---|
Case height | 0.0 in | 1.18 in | 1.19 in | 1.48 in | N/A |
Case thickness | 0.44 in | 0.35 in | 0.44 in | 0.37 in | 0.28 in |
Wrist band width | 0.71 in | N/A | N/A | 0.87 in | 0.55 in |
Replaceable wrist bands | yes | N/A | N/A | N/A | yes |
Watch case material | Stainless steel | N/A | Plastic/Synthetic |
| Stainless steel |
Wrist band material |
| N/A | Silicone |
|
|
Anti scratch lens | yes | N/A | N/A | yes | yes |
IP code (level of dust/water resistance) | IP67 | N/A | N/A | N/A | N/A |
Weight | N/A | 1.45 oz | 1.12 oz | 1.5 oz | 0.99 oz |
Colour of bracelet | N/A | N/A |
|
| N/A |
Water resistance | N/A | N/A | yes | yes | yes |
Fully waterproof | N/A | N/A | no | yes | N/A |
Dust resistant | N/A | N/A | N/A | yes | N/A |
Bluetooth | yes | yes | yes | yes | yes |
---|---|---|---|---|---|
Bluetooth version | 4.1 | 2.1 | 4.0 | 4.0 | 4.0 |
Wi-Fi | yes | N/A | no | no | N/A |
USB | yes | yes | no | yes | N/A |
Charging connection | Proprietary USB Cable | N/A | N/A | Proprietary USB Cable | Proprietary USB Cable |
3G (UMTS) | N/A | N/A | no | no | N/A |
4G (LTE) | N/A | N/A | no | no | N/A |
NFC | N/A | N/A | no | no | N/A |
Built-in navigation system | N/A | N/A | no | no | N/A |