Side by side comparison and review of Fitbit Blaze and Fitbit Sense. 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 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android, Windows Phone | Android 7.0 (Nougat) or later, iOS 12.2 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 42 mm | 40.38 mm |
| Height | - | 40.38 mm |
| Depth | - | 12.45 mm |
| Weight | 44 g | - |
| Body Material | Stainless steel | Stainless steel, aluminium |
| Protection | Weatherproof, splashproof, sweatproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Blaze | Fitbit Sense |
|---|
| Sensors | Ambient light sensor, altimeter, 3-axis accelerometer | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) 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, skin temperature, sleep stages, stress level, menstrual cycle, ECG |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, HR zones, PurePulse heart rate technology, automatic exercise recognition, changeable frame | Music remote handling, HR zones, breathing training function |
| Notifications | Missed calls, calendar, SMS | Missed calls, calendar, SMS, social apps |
| 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 | - | Google Assistant, Alexa |
| CONNECTIVITY | Fitbit Blaze | Fitbit Sense |
|---|
| Wireless Interface | Bluetooth 4.0 | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Fitbit Blaze | Fitbit Sense |
|---|
| Type | LCD - colour | AMOLED - colour |
|---|---|---|
| Screen Protection | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Fitbit Blaze | Fitbit Sense |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Fitbit Blaze | Fitbit Sense |
|---|
| Case Shape | - | Square |
|---|---|---|
| Case Details | Gold | Gunmetal | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel |
| BAND | Fitbit Blaze | Fitbit Sense |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | S/L |
| Fits Wrist with Circumference | 140-170 mm | 140-220 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Elastomer | Silicone |
| Band Colour | Slim pink | Black | Blue | Plum | Sage grey | Carbon | Lunar white |
| BATTERY | Fitbit Blaze | Fitbit Sense |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Life | 5 day(s) | 6 day(s) |
| Battery Life Details | - | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Rechargeable Battery | - | Yes |
| Recharge Time | 2 hour(s) | - |
| MISCELLANEOUS | Fitbit Blaze | Fitbit Sense |
|---|
| Included Accessories | USB charging cable | Charging cable, 2 wristbands (S+L) |
|---|---|---|
| Preloaded Software | Clock, Silent 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 | - |
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