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RAM Memory | 512.0 mB | 512.0 mB | 512.0 mB | 512.0 mB | 768.0 mB |
---|---|---|---|---|---|
Internal storage space | 4.0 GB | 4.0 GB | 4.0 GB | N/A | 4.0 GB |
CPU cores | N/A | Dual Core | Dual Core | Dual Core | Dual Core |
CPU speed | N/A | 1.0 GHz | 1.0 GHz | N/A | 1.0 GHz |
Screen size | 1.4 in | 1.63 in | 1.63 in | 1.2 in | 1.3 in |
---|---|---|---|---|---|
Display technology | OLED | OLED | OLED | OLED | OLED |
Screen resolution | 400 x 400 px | 320 x 320 px | 320 x 320 px | 360 x 360 px | 360 x 360 px |
Type of glass | Sapphire glass | Gorilla Glass | Gorilla Glass | N/A | Gorilla Glass |
Type of screen | N/A | Colour screen | Colour screen | N/A | Colour screen |
Touchscreen | N/A | N/A | N/A | yes | N/A |
Accelerometer | yes | yes | yes | yes | N/A |
---|---|---|---|---|---|
Barometer | yes | N/A | N/A | N/A | yes |
Heart rate monitor | yes | yes | yes | yes | yes |
Microphone | yes | yes | yes | N/A | yes |
Gyroscope | yes | yes | yes | yes | yes |
Pedometer | yes | N/A | N/A | yes | N/A |
Built-in camera | N/A | yes | no | N/A | no |
Ambient Light Sensor | N/A | N/A | N/A | yes | N/A |
Compass | N/A | N/A | N/A | N/A | yes |
Phone Functionality | N/A | N/A | N/A | N/A | yes |
Case diameter | 1.65 in | 1.45 in | 1.49 in | 1.54 in | 1.81 in |
---|---|---|---|---|---|
Case height | 0.0 in | 2.3 in | 2.31 in | N/A | 1.93 in |
Case thickness | 0.44 in | 0.39 in | 0.39 in | 0.43 in | 0.51 in |
Wrist band width | 0.71 in | 0.87 in | N/A | N/A | N/A |
Replaceable wrist bands | yes | N/A | N/A | N/A | N/A |
Watch case material | Stainless steel | Stainless steel |
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Wrist band material |
| Rubber | Rubber | Silicone |
|
Anti scratch lens | yes | N/A | N/A | N/A | N/A |
IP code (level of dust/water resistance) | IP67 | IP67 | IP67 | N/A | IP68 |
Weight | N/A | 2.4 oz | 1.94 oz | 1.48 oz | 2.19 oz |
Colour of bracelet | N/A |
|
| N/A |
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Water resistance | N/A | yes | yes | N/A | yes |
Fully waterproof | N/A | yes | N/A | yes | no |
Dust resistant | N/A | N/A | N/A | yes | N/A |
Operating system |
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| Android 4.4+ | Tizen OS |
---|---|---|---|---|---|
Smartphone remote features | Voice Control | N/A | Voice Control |
| N/A |
Bluetooth | yes | yes | yes | yes | yes |
---|---|---|---|---|---|
Bluetooth version | 4.1 | 4.0 | 4.0 | 4.0 | 4.2 |
Wi-Fi | yes | no | no | yes | yes |
USB | yes | yes | yes | N/A | yes |
Charging connection | Proprietary USB Cable | N/A | N/A | Wireless | N/A |
4G (LTE) | N/A | no | no | N/A | no |
NFC | N/A | no | no | yes | yes |
Infrared (IR) | N/A | N/A | yes | N/A | N/A |
Headphone connection | N/A | N/A | N/A | Bluetooth | N/A |
3G (UMTS) | N/A | N/A | N/A | N/A | yes |
Wireless networking standard | N/A | N/A | N/A | N/A |
|
Built-in navigation system | N/A | N/A | N/A | N/A | yes |
GPS | N/A | N/A | N/A | N/A | 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 | 300.0 mAh | 300.0 mAh | 300.0 mAh | 250.0 mAh | 380.0 mAh |
Average battery life (standby) | N/A | 144.0 h | 144.0 h | 48.0 h | 96.0 h |
Battery life (running) | N/A | 144.0 h | 48.0 h | N/A | 96.0 h |
Wireless charging | N/A | N/A | N/A | N/A | yes |