Fitbit Ace 2 vs Mi Band 4
| Product Name | Fitbit Ace 2Mi Band 4 |
| Product Image |   |
| Price | |
| Our Rating | |
| Brand | Fitbit Xiaomi |
| Category | Kids Smartwatch Smart Band |
Where to Buy & Price
| Buy |
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General
| Release | June, 2019 June, 2019 |
| Device Name | Fitbit Ace 2 Xiaomi Mi Smart Band 4 |
| Device Type | Smart Band/Activity Tracker Smart Band |
| Ideal for (Gender) | Kids Both Men & Women |
| Device Model | FB414BKPM, FB414BKBU, FB414BKPK XMSH07HM (Global non-NFC Version), XMSH08HM (Chinese NFC Version) |
| Box Items | Fitbit Ace 2, Classic Wristband (one size), Charging Cable Mi Smart Band 4, Wrist strap, Specialized charging cable, User guide |
| Predecessor | Fitbit Ace Xiaomi Mi Band 3 |
| Successor | - - |
Body
| Shape | Ractangel Rectangular |
| Case Dimensions | 1.2 x 3.9 x 8.9 in Length 21.6mm x Width 10.8mm |
| Case/Bezel | Silicone Polycarbonate |
| Strap Material | Silicone Thermoplastic polyurethane |
| Strap/Band Size | - Length 155-216mm & Width 18mm |
| Replaceable Band | Interchangable Yes |
| Weight | 0.64 oz (18.14 g) 22.1g |
| IP Rating | - - |
| Water Resistance | 5 ATM up-to 50 meters 5 ATM (Water resistant up to 50m) |
| Colors | Grape, Night Sky, Watermelon Black, Red or Blue (Strap available in 6 color option with exclusive Marvel's Avengers limited additions) |
| Other Information | - |
Display
| Type | OLED AMOLED |
| Screen Size | - 0.95 Inch (Up to 400 nits) |
| Screen Resolution | - 120 x 240 pixel |
| Pixel Density | - 194 PPI |
| Multi Touch | No Yes (Capacities touchscreen) |
| Screen Protection | - 2.5D Tempered glass with anti-fingerprint coating |
Platform
| Operating System | Other Proprietary OS |
| Chipset | - - |
| CPU | - - |
| GPU | - - |
Memory
| RAM | - 512 KB |
| Internal Memory | 7 Days of Detailed Motion Data 16 MB |
| SD Card Slot | No No |
Multimedia
Cellular Network
Activity Tracker
| Distance | Yes Yes |
| Heart Rate | No Yes |
| Steps | Yes Yes |
| Calories Consumption | No Yes |
| Sleep | Yes Yes |
Connectivity
| Bluetooth | Bluetooth 4.0 LE 5.0 |
| GPS | No No |
| WiFi | No BT5.0 BLE |
| NFC | No No (Global Version), Yes (Chinese Version) |
| USB | No No |
| Radio | No No |
Control
| Touch | Yes Yes |
| Watchface | Customizable Customizable |
| Voice Command | No Yes (Only in Chinese Version) |
| Personal Assistant | No Xiao AI, on in Chinese Version |
| Smartphone Compatibility | Android, Apple iOS, Windows Android 4.4+ or iOS 9.0+ |
| Smartphone Companion App | Fitbit App Mi Fit App |
Notifications
| Activity Alert | Yes Yes |
| SMS | No Yes |
| No Yes | |
| Incoming Call Alert | Yes Yes |
| Calendar Reminder | No Yes |
| Weather Forecast | No Yes |
Sensors
| Accelerometer | Yes Yes |
| Gyro | No Yes |
| Heart Rate | No Yes |
| Light | No Yes |
| Compass/Magnetometer | No Yes |
| Vibration/Haptics engine | Yes Yes |
| Other Sensors | The new six-axis sensor |
Sound
| Speaker | No No |
| Microphone | No Only for Chinese Version |
Battery
| Battery Type | Lithium-polymer Lithium Polymer |
| Capacity | - 135mAh |
| Battery Life | 5 Days 20 days battery life |
| Standby | - - |
| Talk-Time | No - |
| Wireless Charging | No Charging Dock with USB Cable |
| Charging Time | - ≤ 2 hours |
| Quick Charging | No - |
Additional Features
| Language | Multilingual Multilingual and Chinese |
| App Store | - No |
| Builtin Payment Service | No Mi Pay (Chinese Version) |
| Bluetooth Music | No No |
| Other Features | - |
More Info, Price & Buy
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