Side by side comparison and review of Fitbit Blaze and Fitbit Sense 2. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Fitbit Blaze | Fitbit Sense 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android, Windows Phone | Android 8.0 (Oreo) or later, iOS 14 or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 42 mm | 40.5 mm |
| Height | - | 40.5 mm |
| Depth | - | 12.3 mm |
| Weight | 44 g | - |
| Body Material | Stainless steel | Aluminium |
| Protection | Weatherproof, splashproof, sweatproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Blaze | Fitbit Sense 2 |
|---|
| Sensors | Ambient light sensor, altimeter, 3-axis accelerometer | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor, vibration motor, multipurpose electrical sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, active time, menstrual cycle, breathing rate, temperature, sleep quality score, blood glucose |
| Modes | - | 40+ sports modes |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, HR zones, PurePulse heart rate technology, automatic exercise recognition, changeable frame | Find phone function, automatic exercise recognition, breathing training function, Active Zone Minutes, HRV index, Sleep Score, Sleep Profile, Stress Management Score, Daily Readiness Score, all day body response tracking, cardio fitness score |
| Notifications | Missed calls, calendar, SMS | SMS, applications, high and low heart rate, calls, irregular rhythm |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Fitbit Blaze | Fitbit Sense 2 |
|---|
| Wireless Interface | Bluetooth 4.0 | NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Fitbit Blaze | Fitbit Sense 2 |
|---|
| Type | LCD - colour | Colour |
|---|---|---|
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Fitbit Blaze | Fitbit Sense 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Fitbit Blaze | Fitbit Sense 2 |
|---|
| Case Shape | - | Square |
|---|---|---|
| Case Back | - | Aluminium |
| Case Details | Gold | Gunmetal | Platinum aluminum |
| BAND | Fitbit Blaze | Fitbit Sense 2 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | S |
| Fits Wrist with Circumference | 140-170 mm | 129-175 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Elastomer | - |
| Band Colour | Slim pink | Black | Blue | Plum | Lunar white |
| BATTERY | Fitbit Blaze | Fitbit Sense 2 |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Life | 5 day(s) | 6 day(s) |
| Battery Life Details | - | GPS mode - up to 5 hour(s) |
| Recharge Time | 2 hour(s) | 2 hours |
| MISCELLANEOUS | Fitbit Blaze | Fitbit Sense 2 |
|---|
| Included Accessories | USB charging cable | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | Clock, Silent alarm | Alarm, FitBit Pay |
| Max Depth of Water Resistance | 10 m | 50 m |
| Max Operating Temperature | 60 °C | 45 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Warranty | 1-year warranty | 2-year warranty |
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