Mi Band 4 vs Fitbit Charge 3 vs Fitbit Versa
| Product Name | Mi Band 4Fitbit Charge 3Fitbit Versa |
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| Brand | Xiaomi Fitbit Fitbit |
| Category | Smart Band Smart Band Smartwatch |
Where to Buy & Price
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General
| Release | June, 2019 October, 2018 April, 2018 |
| Device Name | Xiaomi Mi Smart Band 4 Fitbit Charge 3 Fitbit Versa |
| Device Type | Smart Band Smart Band/Fitness Tracker Fitness Smartwatch |
| Ideal for (Gender) | Both Men & Women Both Men & Women Special for Women, but Men also |
| Device Model | XMSH07HM (Global non-NFC Version), XMSH08HM (Chinese NFC Version) - |
| Box Items | Mi Smart Band 4, Wrist strap, Specialized charging cable, User guide Band, Charger, Docs - |
| Predecessor | Xiaomi Mi Band 3 Fitbit Charge 2 Fitbit Ionic |
| Successor | - - - |
Body
| Shape | Rectangular Ractangel Ractangle |
| Case Dimensions | Length 21.6mm x Width 10.8mm 0.5 in x 1.1 in 35.99mm x 29.23mm x 21mm |
| Case/Bezel | Polycarbonate Aluminum Aluminum |
| Strap Material | Thermoplastic polyurethane Silicone Silicone, leather, steel link, Milanese mesh-style, woven or knit |
| Strap/Band Size | Length 155-216mm & Width 18mm - - |
| Replaceable Band | Yes Yes - |
| Weight | 22.1g 1.06 oz (30 grams) - |
| IP Rating | - - - |
| Water Resistance | 5 ATM (Water resistant up to 50m) 5ATM, up to 164 ft (50M) Yes, 5ATM (Up to 50 Meters) |
| Colors | Black, Red or Blue (Strap available in 6 color option with exclusive Marvel's Avengers limited additions) Rose gold, Gunmetal Black, Silver, and Rose gold |
| Other Information | - - - |
Display
| Type | AMOLED OLED LCD, 1,000 Nits |
| Screen Size | 0.95 Inch (Up to 400 nits) 1 Inch 1.34 inch |
| Screen Resolution | 120 x 240 pixel - 348x250 pixels |
| Pixel Density | 194 PPI - - |
| Multi Touch | Yes (Capacities touchscreen) - Yes |
| Screen Protection | 2.5D Tempered glass with anti-fingerprint coating Corning Gorilla Glass 3 - |
Platform
| Operating System | Proprietary OS - Fitbit OS 2.0 |
| Chipset | - - - |
| CPU | - - - |
| GPU | - - - |
Memory
| RAM | 512 KB - - |
| Internal Memory | 16 MB - 4GB (2.5GB available, 300+ Songs) |
| SD Card Slot | No No No |
Activity Tracker
| Distance | Yes Yes Yes |
| Heart Rate | Yes Yes Yes |
| Steps | Yes Yes Yes |
| Calories Consumption | Yes Yes Yes |
| Sleep | Yes Yes Yes |
Connectivity
| Bluetooth | 5.0 Yes Bluetooth 4.0 |
| GPS | No No No |
| WiFi | BT5.0 BLE No WiFi 802.11 b/g/n |
| NFC | No (Global Version), Yes (Chinese Version) Yes (Special Edition) Yes (Special Edition) |
| USB | No No No |
| Radio | No No No |
Control
| Touch | Yes Yes Yes |
| Watchface | Customizable Digital Customizable |
| Voice Command | Yes (Only in Chinese Version) No No |
| Personal Assistant | Xiao AI, on in Chinese Version No No |
| Smartphone Compatibility | Android 4.4+ or iOS 9.0+ Android & iOS iPhone (iOS 9+), Android 4.3+ & Windows Phones |
| Smartphone Companion App | Mi Fit App Fitbit App Fitbit App |
Notifications
| Activity Alert | Yes Yes Yes |
| SMS | Yes Yes Yes |
| Yes Yes Yes | |
| Incoming Call Alert | Yes Yes Yes |
| Calendar Reminder | Yes Yes Yes |
| Weather Forecast | Yes Yes Yes |
Sensors
| Accelerometer | Yes 3-axis Accelerometer 3-axis Accelerometer |
| Gyro | Yes - - |
| Heart Rate | Yes Yes Yes |
| Light | Yes - Yes |
| Compass/Magnetometer | Yes - - |
| Vibration/Haptics engine | Yes Yes Yes |
| Other Sensors | The new six-axis sensor Altimeter, SpO2 3-axis Gyroscope, Altimeter, SpO2 sensor |
Sound
| Speaker | No No No |
| Microphone | Only for Chinese Version No No |
Battery
| Battery Type | Lithium Polymer |
| Capacity | 135mAh Lithium-polymer 145mAh |
| Battery Life | 20 days battery life 7 day(s) 4+ Days |
| Standby | - - - |
| Talk-Time | - - - |
| Wireless Charging | Charging Dock with USB Cable USB Charging - |
| Charging Time | ≤ 2 hours - - |
| Quick Charging | - - - |
Additional Features
| Language | Multilingual and Chinese Multilingual Multi Language |
| App Store | No - Fitbit OS Store |
| Builtin Payment Service | Mi Pay (Chinese Version) Fitbit Pay FItbit Pay |
| Bluetooth Music | No No Yes |
| Other Features | - Swim tracking, Goal-Based Exercise, Run Detect with Auto-Stop, Accept/Reject calls, Quick Reply (Android only) 15+ Exercise Modes, Activity tracking and step counting, Sleep tracking, Coaching functions, 24/7 heart rate tracking, 50m water resistance, Music with Deezer integration, Fitbit Pay supported, Smartphone notifications, Female health tracking |
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