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| ratings | ||||
| Overall NDTV Rating | Read Review | - | ||
| Design and comfort Rating | - | |||
| Tracking accuracy Rating | - | |||
| Companion app Rating | - | |||
| Battery life Rating | - | |||
| key specs | ||||
| Display Type | AMOLED | OLED | ||
| Water Resistant | Yes | Yes | ||
| Heart Rate Monitor | Yes | Yes | ||
| Compatible Devices | Android, iOS Phones | iPhone, Android Phones | ||
| Battery Life (Days) | 20 | 5 | ||
| general | ||||
| Brand | Mi | Garmin | ||
| Model | Smart Band 4 | Vivosmart 3 Smart Band | ||
| Model Name | Band 4 | Vivosmart 3 | ||
| Color | Black | Black | ||
| Ideal For | Unisex | Unisex | ||
| Material | Thermoplastic | Silicone | ||
| Suitable For | Health, Lifestyle | Sports, Fitness | ||
| Touch Enabled | Yes | Yes | ||
| Water Resistant | Yes | Yes | ||
| Dial Shape | Rectangle | Rectangle | ||
| Reading Type | - | Digital | ||
| Function | - | Tracks Steps, Floors Climbed, Calories Burned, Intensity Minutes | ||
| display and battery features | ||||
| Display Resolution | 120 x 240 RGB | 64 x 128 Pixels | ||
| Display Type | AMOLED | OLED | ||
| Battery Life (Days) | 20 | 5 | ||
| Battery Type | Lithium Ion (Li-ion) | Lithium Ion (Li-ion) | ||
| Charge Time (hours) | 2 | - | ||
| Battery Capacity (mAh) | 135 | - | ||
| performance features | ||||
| Shock Resistant | Yes | Yes | ||
| Water-Resistant Depth (metres) | 50 | 50 | ||
| connectivity features | ||||
| Wi-Fi Enabled | No | Yes | ||
| Bluetooth Enabled | Yes | Yes | ||
| Bluetooth Version | v5.0 | v4 | ||
| compatibility | ||||
| Compatible Devices | Android, iOS Phones | iPhone, Android Phones | ||
| activity tracking function | ||||
| Calories Burned | Yes | Yes | ||
| Distance Covered | Yes | - | ||
| Heart Rate Monitor | Yes | Yes | ||
| Phone Notifications | Yes | Yes | ||
| Sleep Tracking | Yes | Yes | ||
| Step Counter | Yes | Yes | ||
| Floors Climbed | - | Yes | ||
| VO2 Max | - | Yes | ||
| workout modes | ||||
| Treadmill | Yes | - | ||
| Exercise | Yes | Yes | ||
| Outdoor Running | Yes | Yes | ||
| Cycling | Yes | Yes | ||
| Walking | Yes | Yes | ||
| Swimming | Yes | Yes | ||
| sensors | ||||
| Accelerometer | Yes | Yes | ||
| Gyroscope | Yes | - | ||
| Optical Heart Rate Sensor | Yes | Yes | ||
| Ambient Light Sensor | - | Yes | ||
| Barometric Altimeter | - | Yes | ||
| dimensions | ||||
| Weight (grams) | 22.1 | 21.5 | ||
| Width (mm) | 45.72 | 18.5 | ||
| Height (mm) | 12.7 | 197 | ||
| Depth (mm) | 17.78 | 9.8 | ||
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