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Apple Watch Series 3 vs Fitbit Ionic Specs

Product Name

Apple Watch Series 3

Fitbit Ionic

Product Image Apple Watch Series 3 Fitbit Ionic
Our Rating NaN.0 NaN.0
Brand Apple Fitbit
Category Smartwatch Smartwatch

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Release September, 2017 August, 2017
Device Name Apple Watch Series 3 Fitbit Ionic
Device Type Smartwatch Sportwatch
Device Model MR352LL/A Ionic
Box Items Space Gray Aluminum Case, Sport Band (can be configured for either S/M or M/L length), 1m Magnetic Charging Cable, 5W USB Power Adapter Watch, Charging Cable, Warranty Card, User Manual


Shape Rectangle Rectangular, Flat
Case Dimensions 42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in) 1.9 x 4 x 8.7 inches (38.59mm Width x 12.2mm Thick)
Case/Bezel Stainless Steel/Ceramic back Aluminium unibody
Strap Material Nylon, Fluoroelastomer Rubber, Leather, Stainless Steel
Weight 52.8 g (1.87 oz) 30g
IP Rating IPX7
Water Resistance Dust/water Proof over 50 meter 165ft (50 meter) water-proofing (5ATM waterproof)
Colors Space Black, Silver Blue Gray, Slate Blue , Charcoal


Type AMOLED LCD (with 1000nits Brightness)
Screen Size 1.65 inches, 8.6 cm2 1.42Inch (36mm)
Screen Resolution 390 x 312 pixels 348 x 250 pixels
Pixel Density 303 ppi 306ppi
Multi Touch Yes Yes
Screen Protection Sapphire crystal glass Corning Gorilla Glass 3


Operating System watchOS 4.0 Fitbit OS
Chipset Apple S3 TZ1201XBG
CPU Dual-core Toshiba ARM Cortex M4F 120MHz, 32Bit
GPU PowerVR -


Internal Memory 16GB 2.5 GB
SD Card Slot No

Cellular Network

Technology GSM / HSPA / LTE No
Bands 2G Bands:
GSM 850 / 900 / 1800 / 1900
3G Bands:
HSDPA 850 / 900 / 2100 / 800 - Europe, Australia (A1891)
HSDPA 850 / 1700(AWS) / 1900 / 800 - USA, LATAM, Canada (A1861)
HSDPA 2100 - China (A1892)
4G Bands:
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850) - Europe, Australia (A1891)
LTE band 2(1900), 4(1700/2100), 5(850), 12(700), 13(700), 17(700), 18(800), 19(800), 25(1900), 26(850), 41(2500) - USA, LATAM, Canada (A1861)
LTE band 1(2100), 3(1800), 39(1900), 40(2300), 41(2500) - China (A1892)
SIM Apple e-SIM
Speed HSPA, LTE No

Activity Tracker

Distance Yes Yes
Heart Rate Yes Yes
Steps Yes Yes


Bluetooth 4.2, A2DP, LE Bluetooth 4.0 Low Energy (Syncing range: Up to 6.1 metres (20 feet))
GPS Yes, with A-GPS, GLONASS GPS, GLONASS (records at 1-second intervals)
WiFi Wi-Fi 802.11 b/g/n Yes
NFC Yes Yes
Radio No


Touch Yes Yes
Watchface Digital, Analog, Custom Digital, Analog, Custom
Voice Command Yes No
Personal Assistant Siri No
Smartphone Compatibility iPhone Series 3 (GPS + Cellular) requires an iPhone 6/iOS 11 Android v4.4+, iOS
Smartphone Companion App Apple Watch Fitbit App


Activity Alert Yes Yes
SMS Yes Yes
Email Yes Yes
Incoming Call Alert Yes Yes
Calendar Reminder Yes Yes
Weather Forecast Yes Yes


Accelerometer Yes 3-axis Accelerometers
Gyro Yes Yes
Heart Rate No Yes (More accurate HR sensor)
Light Yes Yes
Compass/Magnetometer Yes Yes
Vibration/Haptics engine Yes Yes
Other Sensors Altimeter, Sp02 Sensor


Speaker Yes No
Microphone Yes No


Capacity Li-Ion 273 mAh Lithium-Polymer
Battery Life 18 hrs 4 Days (without gps), 10 hours (with GPS)
Standby - -
Talk-Time - -
Wireless Charging Magnetic charging cable Contact Point Charging (Magnetic)
Quick Charging - -

Additional Features

App Store Apple store Fitbit OS Store
Builtin Payment Service Yes NFC based contactless payments with Fitbit App
Bluetooth Music Yes Yes
Other Features Memory Storage: Saves 7 days of detailed motion data – minute by minute, Saves daily totals for past 30 days, Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times.

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