Amazfit Stratos vs Garmin Forerunner 645

Amazfit Stratos Garmin Forerunner 645

Basic Info

Wear TypeWristbandWristband
Price$23914$23490Both have the same price
Ratings

Activity & Fitness

Activity Yes YesBoth track daily activity
Calories Yes YesBoth track calories burned
Sleep Yes YesBoth can track your sleep
Heart Rate / Pulse Yes YesBoth have built in heart rate sensor
VO2 Max Yes YesBoth track VO2 Max level
Distance Yes YesBoth track your running/walking distance
Steps Yes YesBoth track and count your steps
Pace No Yes
Speed No Yes
Stairs / Floors Yes YesBoth track elevation, climbing stairs or floors
Exercise Tagging Yes YesBoth have exercise tagging feature
Smart Coach No NoBoth don't have coaching feature
Goal Setting Yes YesBoth can help with your goals setting
Inactivity Alert Yes YesBoth have move reminders

Additional Features

GPS Yes YesBoth have integrated GPS modules
Glonass Yes Yes
Navigation Yes NoAmazfit Stratos has onboard GPS navigation
Compass Yes YesBoth have a compass on board
Watch / Clock Yes YesBoth have watch
Alarm Clock Yes YesBoth have alarm clock
Reminders Yes YesBoth have reminder app
Stopwatch Yes YesBoth have stopwatch
Music Playback Yes NoOnly Amazfit Stratos offers phone-free music
Weather Yes No*Weather forecast
Temperature No Yes
ReportsActivity, SleepActivity, Sleep

Smartphone Remote Features

Notifications Yes YesBoth show smartphone notifications
Caller ID Yes YesBoth show caller ID notification
Music Control Yes YesBoth allow control smartphone music player
Call Control No YesGarmin Forerunner 645 allows you control phone calls
Camera Control No NoBoth don't have camera control
Find Phone Yes YesBoth can help find your smartphone

Battery

Duration5 days7 daysGarmin Forerunner 645 battery life is about 1.4 times longer
Battery TypeRechargeable BatteryRechargeable Battery

Physical Specs

Weather Resistance Yes Yes
Waterproof Yes Yes
IP Rating5 ATM5 ATM
Weight60 grams42.2 gramsGarmin Forerunner 645 is 17.8 g lighter

User Interface

DisplayLCD ScreenLCD Screen
Display Size1,34 inches1,2 inches
Screen Resolution 320 X 300 pixels 240x240 pixels
Color Display Yes Yes
Touch Screen Yes No
Sapphire glass Yes No*Scratch resistant sapphire crystal glass
Gorilla glass No Yes*Specialized toughened glass: thin, light and damage-resistant

Compatibility

Android Yes YesBoth compatible with Android devices
iOS Yes YesBoth compatible iOS devices
OS X/Mac No YesGarmin Forerunner 645 compatibles with MacBooks and iMacs
Windows Phone No NoBoth don't compatible with Windows Phone devices
Windows No YesGarmin Forerunner 645 allows you to locate your phone
Web Portal No YesGarmin Forerunner 645 allows you upload and view data on the online portal
Social Features No YesYou can integrate Garmin Forerunner 645 with social networks and share information

Connectivity

Bluetooth Yes YesBoth have Bluetooth data transfer technology
Wi-Fi Yes YesBoth have built-in Wi-Fi wireless connection
NFC No NoBoth don't have NFC connectivity
ANT+ No YesOnly Garmin Forerunner 645 has ANT+ wireless technology
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Amazfit Stratos

Garmin Forerunner 645