| Product Name | Amazfit GTSFitbit VersaFitbit Versa 2Fitbit Versa Lite |
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| Brand | Xiaomi Fitbit Fitbit Fitbit |
| Category | Smartwatch Smartwatch Smartwatch Smartwatch |
| Release | September, 2019 April, 2018 November, 2019 April, 2019 |
| Device Name | Amazfit GTS Fitbit Versa Fitbit Versa 2 Fitbit Versa Lite |
| Device Type | Fitness Smartwatch Fitness Smartwatch Smartwatch Fitness Smartwatch |
| Ideal for (Gender) | Both Men & Women Special for Women, but Men also Both Men & Women Special for Women, but Men also |
| Device Model | Amazfit GTS - FB507BKBK FB415SRGY, FB415SRLV, FB415BUBU, FB415PMPM, FB415SRWT |
| Box Items | Amazfit GTS, Charging Stand, USB Cable, Straps, English Manual - Fitbit Versa 2, Classic wristband (both small & large), Charging cable Fitbit Versa Lite, Classic wristband (both small & large), Charging cable |
| Predecessor | Fitbit Ionic Fitbit Versa Fitbit Versa |
| Successor | - - |
| Shape | Rectangular Ractangle Square Ractangle |
| Case Dimensions | 43.25 x 36.25 x 9.4 mm (1.70 x 1.70 x 0.37 in) 35.99mm x 29.23mm x 21mm 40 x 40 x 12 mm (1.6 x 1.6 x 0.47 in) 35.99 x 29.23 x 21 mm (1.41 x 1.15 x 0.82 in) |
| Case/Bezel | Aluminum Aluminum Aluminium Aluminum |
| Strap Material | Silicone Silicone, leather, steel link, Milanese mesh-style, woven or knit Polyester, Leather, Metal, Woven Silicone, steel link, Milanese mesh-style, woven or knit |
| Strap/Band Size | 20 mm - Small 140mm - 180mm & Large 180mm - 220mm 22 mm |
| Replaceable Band | Interchangable - Yes Yes |
| Weight | 24.8 g (0.87 oz) - 0.16 oz (4.5 g) 38g |
| IP Rating | - - - - |
| Water Resistance | 5 ATM up-to 50 meters Yes, 5ATM (Up to 50 Meters) 5 ATM, up-to 50 meters Yes, 5ATM (Up to 50 Meters) |
| Colors | Aqua, Black, Cyan, Gray, Red, Rose-gold Black, Silver, and Rose gold Carbon, Copper Rose, Mist Grey Silver, Mulberry, Marina Blue |
| Other Information | - - - |
| Type | AMOLED LCD, 1,000 Nits AMOLED LCD, 1,000 Nits |
| Screen Size | 1.65 inch 1.34 inch 25.07 x 25.07 mm 1.34 inch |
| Screen Resolution | 348 x 442 Pixels 348x250 pixels 300 x 300 pixel 348x250 pixels |
| Pixel Density | 341 ppi - - - |
| Multi Touch | Yes Yes Yes Yes |
| Screen Protection | Corning Gorilla Glass 3 - Gorilla Glass 3 Gorilla Glass 3 |
| Operating System | Amazfit OS Fitbit OS 2.0 Fitbit OS Fitbit OS |
| Chipset | - - - - |
| CPU | - - - - |
| GPU | - - - - |
| RAM | - - - |
| Internal Memory | - 4GB (2.5GB available, 300+ Songs) Storage for 300+ songs 7 days of motion data |
| SD Card Slot | No No No No |
| Technology | No No No No |
| Bands | No |
| SIM | No No No No |
| Speed | No |
| Distance | Yes Yes Yes Yes |
| Heart Rate | Yes Yes Yes Yes |
| Steps | Yes Yes Yes Yes |
| Calories Consumption | Yes Yes Yes Yes |
| Sleep | Yes Yes Yes Yes |
| Bluetooth | Bluetooth 5.0 Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0 LE |
| GPS | Yes No No No |
| WiFi | No WiFi 802.11 b/g/n 802.11 b/g/n No |
| NFC | Yes Yes (Special Edition) Yes No |
| USB | No No No No |
| Radio | No No No No |
| Touch | Yes Yes Yes Yes |
| Watchface | Customizable Customizable Customizable Customizable |
| Voice Command | No No Yes No |
| Personal Assistant | No No Yes No |
| Smartphone Compatibility | Android 5.0+ or iOS 10.0+ iPhone (iOS 9+), Android 4.3+ & Windows Phones Android or iOS iPhone (iOS 9+), Android 4.3+ & Windows Phones |
| Smartphone Companion App | Amazfit Watch App Fitbit App Fitbit app Fitbit App |
| Activity Alert | Yes Yes Yes Yes |
| SMS | Yes Yes Yes Yes |
| Yes Yes Yes Yes | |
| Incoming Call Alert | Yes Yes Yes Yes |
| Calendar Reminder | Yes Yes Yes Yes |
| Weather Forecast | Yes Yes Yes Yes |
| Accelerometer | Yes 3-axis Accelerometer Yes Yes |
| Gyro | Yes - No No |
| Heart Rate | Yes Yes Yes Yes |
| Light | Yes Yes Yes Yes |
| Compass/Magnetometer | Yes - No No |
| Vibration/Haptics engine | Yes Yes Yes Yes |
| Other Sensors | Barometer 3-axis Gyroscope, Altimeter, SpO2 sensor Relative SpO2 sensor Relative SpO2 sensor |
| Speaker | No No Yes No |
| Microphone | No No No No |
| Battery Type | Lithium-polymer Lithium-polymer Lithium-polymer |
| Capacity | 220mAh 145mAh - 145mAh |
| Battery Life | 14 Days 4+ Days 6+ days 4+ Days |
| Standby | 46 Days - 1 week - |
| Talk-Time | - - - |
| Wireless Charging | Charging Dock - No - |
| Charging Time | 1-2 hours - 2 Hours - |
| Quick Charging | - - No - |
| Language | Multilingual Multi Language Multilingual Multilingual |
| App Store | No Fitbit OS Store Fitbit OS Store Fitbit OS Store |
| Builtin Payment Service | AliPay FItbit Pay FItbit Pay No |
| Bluetooth Music | Yes Yes Yes No |
| Other Features | - 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 |