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Garmin Forerunner 645 Music Smartwatch Detailed Tech Specs

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General AttributesGeneral Attributes: 

BrandBrand name of the device. This may match with the manufacturer Garmin
ModelOne or more (separated by /) specific model name identifies this device. This field may include model code too. Forerunner 645 Music Smartwatch
ReleasedFirst official market release date in (year, month) 2018 Feb
AnnouncedDate of the official announcement (year, month) 2018 Jan
Hardware DesignerThe company which designed this device Garmin
ManufacturerThe company which produces this device Garmin
OEM IDThe OEM ID is internal code and refers to a specific variant of the model series 010-01863-00
Device CategorySmartphone, tablet, smart watch, PDA, palmtop, etc.  SmartwatchSmart watch is a kind of wearable computers which is able to manage phone calls in cooperation with smartphones or tablets. It may have various built-in sensors to support sport and fitness activites.
Additional FeaturesLow priority special features which are not included in other fields. Android 4.3 or later support, iOS 8.0 or later support, 20 mm strap

Physical AttributesPhysical Attributes: 

WidthWidth is horizontally measured between the left and right edges of device according to the default display orientation 42.5 mm
1.67 inchWidth measured in inches
HeightHeight is vertically measured between the bottom and top edges of device according to the default display orientation 42.5 mm
1.67 inchHeight measured in inches
DepthDepth refers to the thickness of the device. Depth is usually the smallest dimension of the device 13.5 mm
0.53 inchesDepth measured in inches
Bounding VolumeThe volume of the smallest cuboid which can bound the device in cubecentimetres 24.4 ccm
MassThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in grams 42.2 g
1.49 ouncesThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in ounces

Software EnvironmentSoftware Environment: 

PlatformThe family of the operating system like Android, iOS, Windows Phone/Mobile, Palm OS, etc.  Linux

Application processor, ChipsetApplication processor, Chipset: 


Operative MemoryOperative Memory: 
RAM TypeType of volatile memory IC which specifies RAM architecture, timing characteristics, refresh mode, voltage levels and physical design of the IC. Two major types of random-access memory is static RAM (SRAM) periodically refreshed dynamic RAM (DRAM).  Yes

Non-volatile MemoryNon-volatile Memory: 
Non-volatile Memory TypeType of NV memory IC which determines storage technology, programming / erasing method and write endurance  Flash EEPROM

DisplayDisplayAll parameters that related to display

Display ResolutionHorizontal and vertical resolution of the primary display. In case of display with rounded edges this refers to the smallest bounding rectangle. 240x240
57600 pixelsThe total number of pixels is the product of horizontal and vertical number of pixels
Display DiagonalThe distance measured between the furthest corners of the display. In case of display with rounded edges this refers to the diagonal of the smallest bounding rectangle. 30.4 mm
1.2 inchDisplay Diagonal in inches
Display WidthThe distance between the vertical edges of the display (horizontal display size). In case of display with rounded edges this refers to the smallest bounding rectangle. 21.5 mm
0.85 inchDisplay width in inches
Display HeightThe distance between the horizontal edges of the display (vertical Display Size). In case of display with rounded edges this refers to the smallest bounding rectangle. 21.5 mm
0.85 inchDisplay height in inches
Horizontal Full Bezel WidthDefined as the sum of width of left and right vertical display bezels. If the display panel is located in the middle width of left and right bezels are the same and their width is the half of the full bezel width. 21 mm
Display AreaCalculated display area is the product of max. horizontal and vertical display sizes. In case of display with rounded edges or notch this refers to the smallest display bounding rectangle. 462.1 square millimeter
Display Area UtilizationRegular display area per regular front panel area ratio. This approximated indicator does not count with possible rounded corners (neither on front panel nor on display) or display notches. 26%
Pixel SizeCalculated pixel size based on display diagonal, resolution and aspect ratio 0.08957 mm/pixel
Pixel DensityIndicates the number of pixels per inch 284 PPI
Display TypeDisplay technology, e.g. Color/ monochrome e-ink, STN, PM-OLED, AM-OLED, TN-TFT, IPS TFT, ASV TFT, MVA TFT, PVA TFT, PLS TFT  Color TN-TFT LCDColor TN-TFT (Twisted Nematic - Thin Film Transistor). This is an active matrix LCD technology. display
Display Color DepthColor depth defines how many colors or greyscales can be displayed 24 bit/pixel
Number of Display ScalesMaximal number of displayable colors or scales 16.8M
Display IlluminationForm of illumination used for lighting or backlighting LCD display in dark and dim ambient condtions.  Yes
Display Light Reflection ModeThe ratio between reflected and transmitted light depends on reflection mode thus display technology. Possible options: transflective, reflective, transmissive, etc.  transflectiveTransflective LCD has medium reflectance factor. Hence it reflects and transmits the incident ambient light. It does not need backlighting and well readable in bright sunlight but can be backlit in dark ambient conditions without reducing readibility.
Display Subpixel SchemeSpecifies how and how many subpixels are pixels consists of. Usual schemes: RGB, RGBG, RGBW, PenTile, Diamond Pixel  Yes
Scratch Resistant ScreenUsual types: Gorilla Glass generations, DragonTrail/X, Sapphire Glass  Yes

Graphical SubsystemGraphical Subsystem: 

Audio/Video InterfacesAudio/Video Interfaces: 
A/V OutAudio/Video outputs form a heterogeneous group of interfaces that allow the user to connect the device to various external analog/digital multimedia devices (monitors, projectors, HD TVs) and play multimedia content. For example: MHL, DisplayPort, HDMI, e  No

Audio SubsystemAudio Subsystem: 

Audio Channel(s)Number of independent channels supported by the audio subsystem of the device, e.g.: mono, stereo, 5.1, 7.1, etc.  Yes

Sound Recording: 
Microphone(s)Analog or digital sound receiver. Main applications: voice calls, active noise cancellation, voice command, voice/video recording, voice identification  No

Sound Playing: 
Audio Output:   No

Cellular PhoneCellular Phone: 

Supported Cellular BandsList of supported cellular networks with band names. For example GSM900 refers to the GSM system with the 890-915 MHz uplink and 935-960 downlink bands.  No

Secondary Cellular PhoneSecondary Cellular Phone: 
Sec. Supported Cellular Networks:   No

Control PeripheralsControl Peripherals: 

Touchscreen TypeDetermines how the touchscreen module senses the touch of the screen  Capacitive multi-touch sensing screen
Touchscreen Simultaneous Touch PointsDetermines how many touches the touch-sensitive screen module is able to simultaneously detect  Yes


Communication InterfacesCommunication Interfaces: 

Expansion InterfacesNon-volatile memory and/or I/O expansion interfaces. For example: microSD, microSDXC, SDHC, CF II., PCMCIA III., etc.  No
USBFirst or the only USB port. USB is a common high-speed serial bus standard that allows data and power transfer between the mobile device and another computer. Version of USB identifies USB standard.  No
USB Speed RateDetermines the highest available data transfer speed of first USB port. Usual standard speed levels: High-Speed (HS), Super-Speed (SS)  No
USB ConnectorPhysical USB connector layout. Most common types: micro-USB, USB A, USB Type-C or proprietary (e.g. Lightning)  No
BluetoothIEEE 802.15 is a short-range radio technology standard that allows transfer of data, and the use of accessories such as wireless audio devices and printers. This field specifies the supported BT version.  Yes
Internal antenna
Bluetooth profilesList of supported Bluetooth profiles e.g. aptX, A2DP, AVRCP, HSP, HID, PBA, PAN, OPP, MAP  A2DPAdvanced Audio Distribution Profile , AVRCPAudio/Video Remote Control Profile (AVRCP) , HFPHands-Free Profile (HFP)
Wireless LANWireless LAN / WLAN / Wi-Fi: 802.11 defines a medium-range wireless data link that allows for internet access and data transfer. This field enumerates the supported protocols (e.g. 802.11a/b/g/n).  IEEE 802.11b , IEEE 802.11g , IEEE 802.11n
Internal antenna

Multimedia BroadcastMultimedia Broadcast: 

FM Radio ReceiverWith a bulit-in FM radio the device is able to receive FM (frequency modulated) broadcast in 79 - 108 MHz band.  No

Satellite NavigationSatellite Navigation: 

Supported GPS protocol(s)Possible protocols: NMEA 0183, SIRF, etc.  GPS (NMEA 0183)NMEA 0183
GPS Antenna:   Internal antenna
Complementary GPS ServicesPossible extras: S-GPS, A-GPS, Geotagging, TMC, QuickGPS, QZSS, etc.  Assisted GPS
Supported GLONASS protocol(s)GLONASS is a global satellite  navigation system operated by Russia.  Yes

CameraCameraPrimary camera usually has better imaging capabilities than secondary camera if any

Camera Image SensorRefers to the semiconductor technology of image sensor (FSI CMOS, BSI CMOS, etc.)  No
FocusCD AF, PD AF, Laser AF, etc. No / Not supported means there is no adjustable optical system or no camera built-in at all  No
FlashA flash is used to brighten dark areas when taking photographs; is also used as a flashlight. This field contains the exact type of the flash.  No

Secondary CameraSecondary CameraWidely used for video telephony or taking selfies

Secondary Camera SensorRefers to the semiconductor technology of sec camera image sensor (FSI CMOS, BSI CMOS, etc.)  No

Power SupplyPower Supply: 

BatteryBattery technology  Yes
built-inPossible options: removable, built-in
Number of battery cellsIn case of high power consumption it is more efficient to connect more than 1 cells in the battery in series to minimize current thus loss. 1
Standby TimeThe maximum standby time of the unused cell phone with active cellular radio (GSM, CDMA, iDEN, TD-SCDMA, WCDMA, LTE) and continuously refreshed dynamic RAM. 180 hours

Ingress Protection Ingress Protection : 

Protection from solid materialsIngress Protection Standards. IP First digit: Protection from solid objects or materials  Yes
Protection from liquidsIngress Protection Standards. IP Second digit: Protection from liquids  Yes
Immersion into liquids (depth limit)Device is protected against immersion into this depth of liquid (usually water) at most. (IP rating) 5000 cm

Built-in SensorsBuilt-in Sensors: 

Built-in compassBuilt-in electroinc compass types: 1D, 2D, 3D  Yes
Built-in accelerometerAn internal component that senses acceleration components of the device.  Used for automatic screen rotation and for games and applications that rely on acceleration measurement  on X, Y, and Z axis. Possible types: 1D, 2D, 3D  Yes
Built-in gyroscopeAn internal component that senses the orientation of the device.  Used for automatic screen rotation and for games and applications that rely on the devices position in the X, Y, and Z axis. Possible types: 1D, 2D, 3D  Yes
Additional sensorsBuilt-in ambient (barometer, temperature, altimeter, light, etc.), biometric (fingerprint, HR, step, etc.) and comfort (hall sensor, gesture sensor, proximity, etc.) sensors  Altimeter , Barometer , Heart rate sensor , Step counter , Temperature sensor

Geographical AttributesGeographical Attributes: 

Market CountriesCountries where the device was officially sold. Overlap is possible.  Argentina , Australia , Austria , Belgium , Brazil , Canada , Chile , Croatia , Denmark , France , Germany , India , Ireland , Italy , Mexico , Netherlands , Norway , NZNew Zealand (NZ) , Poland , Portugal , Romania , Slovenia , South Africa , Spain , Sweden , Switzerland , USA
Market RegionsRegions where the device was officially sold.  Overlap is possible.  Africa , Asia , Australia , Eastern Europe , Europe , North America (NA) , South America (SA) , Southeast Asia , Western Europe , Worldwide

Datasheet AttributesDatasheet Attributes: 
Data IntegrityData integrity level determines the integrity of the published information. Final datasheets are not intended to be modified in the future, preliminary ones can be based on unofficial information or speculations, incomplete ones are also preliminary b  Preliminary
AddedThe exact time of the datasheet addition 2018-01-09 23:35
 
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