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Device Specs: Referred (not editable) comparison sheet [4]

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Omate X Smartwatch
Oukitel A28 Smart Watch
Oukitel A29 Smart Watch
Safako SmartWatch 020
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Omate X Smartwatch
Oukitel A28 Smart Watch
Oukitel A29 Smart Watch
Safako SmartWatch 020
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IntroductionIntroduction
ReleasedFirst official market release date in (year, month) 2014 Oct 2015 Jul 26 2015 Nov 17 2017 Aug
Device CategorySmartphone, tablet, smart watch, PDA, palmtop, etc. Smartwatch Smartwatch Smartwatch Smartwatch

Physical AttributesPhysical Attributes
WidthWidth is horizontally measured between the left and right edges of device according to the default display orientation 41.55 mm 40 mm 44 mm 41 mm
HeightHeight is vertically measured between the bottom and top edges of device according to the default display orientation 45 mm 48 mm 44 mm 41 mm
DepthDepth refers to the thickness of the device. Depth is usually the smallest dimension of the device 11.15 mm 12.3 mm 14 mm 12 mm
Dimensions 1.64x1.77x0.44 inches 1.57x1.89x0.48 inches 1.73x1.73x0.55 inches 1.61x1.61x0.47 inches
MassThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in grams 58 g 52 g 50 g
2.05 ounces 1.83 ounces 1.76 ounces

Software EnvironmentSoftware Environment
PlatformThe family of the operating system like Android, iOS, Windows Phone/Mobile, Palm OS, etc. Android Linux Linux Android
Operating SystemPre-installed (usually embedded) operating system which the device was released with. Google Android 4.3 (Jelly Bean)
Nucleus Safako UI

Application processor, ChipsetApplication processor, Chipset
CPU ClockFrequency of the square signal which schedules the internal operation of microprocessor (synchronous sequential logic). The current consumed by the processor is approximately proportional to clock rate. 260 MHz
CPUManufacturer part number and most important characteristics of the IC which includes the main application processor or processors MediaTek MT2502A (Aster), 2014, 32 bit, single-core, 28 nm MediaTek MT2502A (Aster), 2014, 32 bit, single-core, 28 nm MediaTek MT2502A (Aster), 2014, 32 bit, single-core, 28 nm MediaTek MT2502A (Aster), 2014, 32 bit, single-core, 28 nm

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 Yes Yes LPDDR2 SDRAM
RAM Capacity (converted)RAM capacity in binary bytes (KiB: 1024 bytes, MiB: 1024 KiB, GiB: 1024 MiB) 32 MiB RAM 128 MiB RAM 64 MiB RAM



Non-volatile MemoryNon-volatile Memory
Non-volatile Memory InterfaceInterface (e.g. UFS 2.0, eMMC 5.1, moviNAND) which determines physical layer (width, clock rate, lanes, protocol) of data transfer between the application processor and the NV memory Yes Yes Yes Yes
Non-volatile Memory Capacity (converted)The value of ROM capacity converted to the most appropriate units (KiB: 1024 bytes, KB: 1000 bytes, MiB: 1024 KiB, MB: 1000 KB, GiB: 1024 MiB, GB: 1000 MB) 128 MiB ROM 32 MiB ROM 128 MiB ROM

DisplayDisplayAll parameters that related to display
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. 39.1 mm 39.1 mm 31 mm 33 mm
1.5 inch 1.5 inch 1.2 inch 1.3 inch
ResolutionHorizontal and vertical resolution of the primary display. In case of display with rounded edges this refers to the smallest bounding rectangle. 240x240 240x240 240x240 240x240
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. 13.9 mm 12.35 mm 22.08 mm 17.67 mm
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, holes. 40.9% 39.8% 24.8% 32.4%
Pixel DensityIndicates the number of pixels per inch 220 PPI 220 PPI 278 PPI 261 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 LCD display Color IPS TFT LCD display Color IPS TFT LCD display Color IPS TFT LCD display
Number of Display ScalesMaximal number of displayable colors or scales 16.8M 16.8M 16.8M 16.8M

Graphical SubsystemGraphical Subsystem
Graphical ControllerManufacturer and part number of the graphics controller IC or commercial name of the intellectual property (IP) if the graphics controller is the part of a chipset Qualcomm Adreno 304
Dedicated Graphics MemoryDedicated operative memory (video RAM, VRAM) of graphics controller or GPU which independent from the op. memory of the main processor. Graphics controller may have access to the main RAM (shared RAM) too 0.09375 MiB

Audio/Video InterfacesAudio/Video Interfaces

Audio SubsystemAudio Subsystem
Microphone(s)Analog or digital sound receiver. Main applications: voice calls, active noise cancellation, voice command, voice/video recording, voice identification mono mono mono mono
Loudspeaker(s) mono mono mono mono

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 No GSM850, GSM900, GSM1800, GSM1900 bands No
Supported Cellular Data LinksList of supported cellular data links and rates. No No CSD, GPRS data links No
SIM Card SlotSupported Subscriber Identification Card (SIM) Format like mini-SIM, micro-SIM, nano-SIM, embedded SIM, etc. No No Micro-SIM (3FF) No
Complementary Phone ServicesPossible extras: voice transmission, voice speaker, vibration, speakerphone, active noise cancellation, PTT, HD Voice, VoLTE, etc. No Vibrate Voice transmission, Vibrate, Speakerphone No

Secondary Cellular PhoneSecondary Cellular Phone

Control PeripheralsControl Peripherals
Touchscreen TypeDetermines how the touchscreen module senses the touch of the screen Capacitive multi-touch screen Capacitive multi-touch screen Capacitive multi-touch screen Capacitive multi-touch screen

Communication InterfacesCommunication Interfaces
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. USB 1.1 No No No
USB FS (12 Mbps) No No No
USB Services USB charging No No No
USB Connector Proprietary No No 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. Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0
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). No No No 802.11b, 802.11g, 802.11n

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 No FM radio (88-108 MHz) with RDS No

Satellite NavigationSatellite Navigation

Primary Camera SystemPrimary Camera SystemPrimary camera usually has better imaging capabilities than secondary camera if any

Secondary Camera SystemSecondary Camera SystemWidely used for video telephony or taking selfies

Built-in SensorsBuilt-in Sensors
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 3D accelerometer Yes Yes No
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 3D gyro Yes Yes No
Additional sensorsBuilt-in ambient (barometer, temperature, altimeter, light, etc.), biometric (fingerprint, HR, step, etc.) and comfort (hall sensor, gesture sensor, proximity, etc.) sensors No HR sensor, Step counter HR sensor, Step counter HR sensor, Step counter

Ingress ProtectionIngress Protection
Protection from solid materialsIngress Protection Standards. IP First digit: Protection from solid objects or materials Yes 5 Protected against dust with limited ingress 5 Protected against dust with limited ingress Yes
Protection from liquidsIngress Protection Standards. IP Second digit: Protection from liquids Yes 3 Protection against direct sprays up to 60 degrees from the vertical 3 Protection against direct sprays up to 60 degrees from the vertical Yes

Power SupplyPower Supply
BatteryBattery technology Li-ion Li-ion polymer (LiPo) Li-ion polymer (LiPo) Li-ion polymer (LiPo)
built-in built-in built-in built-in
1-cell 1-cell 1-cell 1-cell
Nominal Battery CapacityIf there are more than 1 cells in the battery in parellel connection the nominal resulting battery capacity is the sum of capacity of cells 400 mAh battery 250 mAh battery 320 mAh battery 210 mAh battery

Geographical AttributesGeographical Attributes
Market CountriesCountries where the device was officially sold. Overlap is possible. No China, HK China, HK Czech, Hungary, Poland, Slovakia
Market RegionsRegions where the device was officially sold.  Overlap is possible. No Asia, Southeast Asia Asia, Southeast Asia Eastern Europe
Mobile OperatorList of mobile operators (carriers) or distributors which sold the device in their own network

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 Incomplete Preliminary Preliminary Preliminary
AddedThe exact time of the datasheet addition 2014-08-24 09:46 2015-07-12 13:40 2015-11-13 22:00 2017-08-27 14:41

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