| Product Name | Amazfit PaceAmazfit Pace 2 (Stratos)Xiaomi Huami Amazfit Pace 2S (Stratos) |
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| Brand | Huami Xiaomi Huami |
| Category | Smartwatch Smartwatch Smartwatch |
| Release | September, 2016 December, 2017 December, 2017 |
| Device Name | Xiaomi Huami Amazfit Pace Amazfit Stratos, Amazfit Pace 2 Amazfit Stratos 2S, Amazfit Pace 2S |
| Device Type | Smartwatch Smartwatch Smartwatch |
| Device Model | A1612 (English/International version), A1602 (Chinese Version) Amazfit Stratos Standard (Amazfit Sports 2) Amazfit Stratos Premium (Amazfit 2S) |
| Box Items | 1 x Original Xiaomi AMAZFIT Sports Smart Watch, 1 x USB Charging Cable, 1 x Chinese User Manual 1 x Watch, 1 x Charging Dock, 1 x USB Cable, 1 x Quick Start Document 1 x Watch, 1 x Charging Dock, 1 x USB Cable, 1 x Quick Start Document |
| Shape | Round Circular Circular |
| Case Dimensions | 45.72 x 45.72 x 12.7mm - - |
| Case/Bezel | Case: Polycarbonate; Bezel: Zirconia Ceramic Bezel: Zirconia Ceramic, Case: Glass-reinforced Polycarbonate Bezel: Zirconia Ceramic, Case: Glass-reinforced Polycarbonate |
| Strap Material | Silicone, Strap Size: 22mm Silicone Silicone |
| Weight | 54.5 g (1.9 oz) - - |
| IP Rating | IP67 - - |
| Water Resistance | Resistant to water and Dust 5ATM (50 meters waterproof) 5ATM (50 meters waterproof) |
| Colors | Case+Bezel: Black, Strap: Orange or Red Black Black |
| Other Information | - - - |
| Type | TFT LCD (Always-on transflective color LCD touch screen) OLED, Reflective Low-power Color Display OLED, Reflective Low-power Color Display |
| Screen Size | 1.34 inches 1.34 Inch 1.34 Inch |
| Screen Resolution | 320x300 Pixel (262,144 Colors) 320x300 Pixels 320x300 Pixels |
| Pixel Density | - - - |
| Multi Touch | - Yes Yes |
| Screen Protection | Corning Gorilla Glass 3.5D Sapphire Glass Panel 3.5D Sapphire Glass Panel |
| Operating System | Custom Proprietary OS based on Android Properaity OS Properaity OS |
| Chipset | Ingenic M200S Ingenic M200S Ingenic M200S |
| CPU | 1.2 GHz Dual Core 1.2 GHz Dual-core Processor 1.2 GHz Dual-core Processor |
| GPU | - - - |
| RAM | 512MB (Mobile DDR2-S4 SDRAM) 512MB 512MB |
| Internal Memory | 4GB 4GB (User usable 2GB) 4GB (User usable 2GB) |
| SD Card Slot | No - - |
| Technology | No No No |
| Bands | No No No |
| SIM | No No No |
| Speed | No No No |
| Distance | Yes - - |
| Heart Rate | Yes Yes Yes |
| Steps | Yes Yes Yes |
| Bluetooth | Bluetooth 4.0 Low Energy (BLE) Yes Yes |
| GPS | GPS and GLONASS GPS + GLONASS GPS + GLONASS |
| WiFi | Yes Yes Yes |
| NFC | No No No |
| USB | Yes, microUSB Yes Yes |
| Radio | No No No |
| Touch | Yes Yes Yes |
| Watchface | Digital, Analog, Custom Customizable Customizable |
| Voice Command | No No No |
| Personal Assistant | No No No |
| Smartphone Compatibility | Android, iPhone Android 4.4+, iOS 9+ Android 4.4+, iOS 9+ |
| Smartphone Companion App | Amazfit Watch & Strava (for International Version), MiFit and Midong App (for Chinese version) Amazfit App Amazfit App |
| 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 |
| Accelerometer | Yes (6-Axis MEMS Accelerometer) Triaxial Accelerometer Triaxial Accelerometer |
| Gyro | Yes Yes Yes |
| Heart Rate | Optical (PPG) PPG Heart Rate Sensor PPG Heart Rate Sensor |
| Light | Yes Yes Yes |
| Compass/Magnetometer | Yes Yes Yes |
| Vibration/Haptics engine | Yes Yes Yes |
| Other Sensors | - Barometric Barometric |
| Speaker | No No No |
| Microphone | No No No |
| Capacity | 280mAh (Li-Po) (3.8v) 280mAh lithium polymer 280mAh lithium polymer |
| Battery Life | 5 Days Regular Use Up to 5 Days Up to 5 Days |
| Standby | 11+ Days Offline Mode - - |
| Talk-Time | - - - |
| Wireless Charging | Conductive Wireless USB charging (Charging dock included) Charging Dock Charging Dock |
| Quick Charging | - - - |
| App Store | No No No |
| Builtin Payment Service | Alipay (For Chinese model A1602) AliPay AliPay |
| Bluetooth Music | Yes Yes Yes |
| Other Features | - - - |