In depth comparison and review of Fitbit Blaze and Apple Watch Ultra 2. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS 10 |
| Supported Host Device OS | iOS, Android, Windows Phone | iOS 17 or later |
| Activity/Sport | - | Multisport, custom workouts |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Three-microphone array |
| Audio Output | - | Dual speakers |
| Width | 42 mm | - |
| Weight | 44 g | - |
| Body Details | - | Case only: 61.4 g |
| Body Material | Stainless steel | Aerospace-grade titanium |
| Protection | Weatherproof, splashproof, sweatproof | Water-resistant, splash-resistant, corrosion resistant, dust-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Sensors | Ambient light sensor, altimeter, 3-axis accelerometer | Accelerometer, ambient light sensor, digital compass, depth gauge, electrical heart sensor, ECG sensor, blood oxygen sensor, gyroscope, water temperature sensor, temperature sensing, optical heart sensor (3d gen), always-on altimeter |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed | Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, rapid eye movement (REM), depth |
| Modes | - | Night mode |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, HR zones, PurePulse heart rate technology, automatic exercise recognition, changeable frame | Call handling, store & play music, Fall detection, Emergency SOS, heart rate zones, Family Setup support, International Emergency Calling, Siren (86-decibel), Crash Detection, noise monitoring, Compass Waypoint, precision finding for iPhone, brightness: 3000 nits, flashlight boost, track detection |
| Notifications | Missed calls, calendar, SMS | Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | - | Apple Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| 3M UMTS Band | - | Band 1, Band 2, Band 5, Band 10 |
|---|---|---|
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 |
| Wireless Interface | Bluetooth 4.0 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 |
| DISPLAY | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Type | LCD - colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | - | 410 x 502 pixels |
| Screen Protection | - | Flat sapphire front crystal with display edge protection |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, customisable action button, side button, double tap gesture |
|---|
| CASE | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Case Size | - | 49 mm |
|---|---|---|
| Case Shape | - | Rectangular |
| Case Details | Gold | Gunmetal | Titanium |
| Crown Type | - | Digital with haptic feedback |
| BAND | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Band Type | Band | Alpine Loop |
|---|---|---|
| Band Size | S | S |
| Fits Wrist with Circumference | 140-170 mm | 130-160 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | G-hook |
| Band Material | Elastomer | Textile |
| Band Colour | Slim pink | Black | Blue | Plum | Blue | Indigo | Olive | Orange/beige | Green/gray | Blue/black | Orange | White |
| STORAGE | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Storage Capacity | - | 64 GB |
|---|
| CPU | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S9 SiP |
| Features | - | W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine |
| BATTERY | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Life | 5 day(s) | 36 hours |
| Battery Life Details | - | Normal use - up to 36 hour(s) Low power mode - up to 18 hour(s) Power saving mode - up to 72 hour(s) |
| Rechargeable Battery | - | Yes |
| Recharge Time | 2 hour(s) | - |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Fitbit Blaze | Apple Watch Ultra 2 |
|---|
| Included Accessories | USB charging cable | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | Clock, Silent alarm | GymKit, Oceanic+, Depth app |
| Compliant Standards | - | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, MIL-STD-810H, EN13319, Arsenic-free |
| Specific Absorption Rate (SAR) | - | 0.22 W/kg (head) 0.43 W/kg (limb) |
| Carbon Footprint | - | 0 kg carbon emissions |
| Max Depth of Water Resistance | 10 m | 100 m |
| Max Operating Temperature | 60 °C | 55 °C |
| Min Operating Temperature | -10 °C | -20 °C |
| Manufacturer Model Number | - | A2986 |
| Warranty | 1-year warranty | - |
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