Device Database: Comparison

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Motorola Droid A855 / Tao (Motorola Sholes)
Motorola XT800 Zhisang (Motorola Zeppelin)
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Motorola Droid A855 / Tao   (Motorola Sholes)
Motorola XT800 Zhisang  (Motorola Zeppelin)
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General Attributes
Released 2009 Nov 2010 Jan
Hardware designerThe company which designed this device Motorola Mobile Devices Motorola Mobile Devices
ManufacturerThe company which produces this device Motorola Mobile Devices Motorola Mobile Devices
Device Category Smartphone Smartphone
Market CountriesCountries where the device was officially sold. Overlap is possible. USA No

Physical Attributes
WidthWidth is horizontally measured between the left and right edges of device according to the default display orientation 60 mm 61.8 mm
HeightHeight is vertically measured between the bottom and top edges of device according to the default display orientation 115.8 mm 120 mm
DepthDepth or thickness is usually the smallest dimension of the device 13.7 mm 11.4 mm
Dimensions 2.36x4.56x0.54 inches 2.43x4.72x0.45 inches
MassThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in grams 169 g 137 g
5.96 ounces 4.83 ounces

Software Environment
Embedded Operating SystemPre-installed operating system which the device was released with. Google Android 2.0 (Eclair) Google Android 2.0 (Eclair)
Operating System KernelThe OS kernel is the primary component of an operating system which manages hardware and software resources, schedules tasks and threads and provides interface for the upper software layers (system calls, interrupts, APIs, etc.) 2.6.29 2.6.29

Application 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. 600 MHz 550 MHz
CPUManufacturer part number of the IC which includes the main application processor os processors Texas Instruments OMAP 3430, 2008, 32 bit, single-core, 32 Kbyte I-Cache, 32 Kbyte D-Cache, 65 nm, IMG PowerVR SGX GPU Texas Instruments OMAP 3430, 2008, 32 bit, single-core, 32 Kbyte I-Cache, 32 Kbyte D-Cache, 65 nm, IMG PowerVR SGX GPU

Operative 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 SDRAM
RAM Capacity (converted)RAM capacity in binary bytes (KiB: 1024 bytes, MiB: 1024 KiB, GiB: 1024 MiB) 256 MiB RAM 256 MiB RAM

Non-volatile Memory
Non-volatile Memory TypeType of NV memory IC which determines storage technology, programming / erasing method and write endurance Flash EEPROM Flash EEPROM
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) 512 MiB ROM 512 MiB ROM
256 MiB free user storage 130 MiB free user storage
Total non-volatile user storageThe sum of primary and secondary user-accessible partition of non-volatile storage spaces 256 MiB total user storage 130 MiB total user storage

DisplayAll parameters that related to display
Display ResolutionHorizontal and vertical resolution of the primary display 480x854 480x854
Display DiagonalThe distance measured between the furthest corners of the display 93.3 mm 93.3 mm
3.7 inch 3.7 inch
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. 14.29 mm 16.09 mm
Display Area UtilizationDisplay area per front panel area ratio 54% 50%
Pixel DensityIndicates the number of pixels per inch 267 PPI 267 PPI
Display TypeDisplay Type Color TN-TFT LCD Color TN-TFT LCD
Number of Display Colors/ScalesMaximal number of displayable colors or scales 16.8M 16.8M
Display Subpixel Scheme RGB Matrix RGB Matrix

Graphical Suybsystem
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 PowerVR SGX530 PowerVR SGX530

Audio/Video Interfaces
A/V OutBuilt-in Audio/Video outputs (A/V out) form a very heterogeneous group of interfaces that allow the user to connect the mobile device to various external analog/digital multimedia devices (monitors, projectors, TVs, HD TVs) and play multimedia content. No HDMI 1.4
No HDMI D Micro

Audio Subsystem
Microphone(s) stereo mono
Loudpeaker(s) mono mono

Cellular Phone
Supported Cellular NetworksList 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. CDMA800 (BC0), CDMA1900 (BC1/BC14) GSM850, GSM900, GSM1800, GSM1900, CDMA800 (BC0), CDMA1900 (BC1/BC14)
Supported Cellular Data LinksList of supported cellular data links and rates. cdmaOne, CDMA2000 1x, CDMA2000 1xEV-DO, CDMA2000 1xEV-DO Rev A CSD, HSCSD, GPRS, GPRS C12, EDGE, EDGE MSC12, cdmaOne, CDMA2000 1x, CDMA2000 1xEV-DO, CDMA2000 1xEV-DO Rev A
SIM Card FormatSupported Subscriber Identification Card (SIM) Format No Mini-SIM (2FF)
Complementary Phone Services Voice transmission, Voice speaker, Vibrate, Speakerphone, ANC Voice transmission, Voice speaker, Vibrate, Speakerphone
SAR (head) 1.490 W/kg
SAR (body) 1.380 W/kg

Secondary Cellular Phone

Control Peripherals
Touchscreen TypeDetermines how the touchscreen module senses the touch of the screen Capacitive multi-touch Capacitive multi-touch
Touchscreen Simultaneous Touch PointsDetermines how many touches the touch-sensitive screen module is able to simultaneously detect Yes Yes
Touch Surface TypeDetermines how the touchpad, trackpad or other touch surface module senses the touch of the surface Capacitive multi-touch No
KeyboardConventional input peripheral which allows the user to enter characters by pressing a dedicated key Slide-out QWERTY No
Number of keys 43
Directional PadA four-way mechanism that allows the selection of certain on-screen objects 5-way No

Communication Interfaces
Expansion InterfacesNon-volatile memory and/or I/O expansion interfaces microSD, microSDHC, TransFlash microSD, microSDHC, TransFlash
USBUSB 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 2.0 USB 2.0
USB Speed Rate USB HS (480 Mbps) USB HS (480 Mbps)
USB Services USB charging USB charging
USB Connector micro-USB micro-USB
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. Bluetooth 2.1 + EDR Bluetooth 2.1 + EDR
Wireless LANWireless LAN / WLAN / Wi-Fi: 802.11 defines a medium-range wireless data link that allows for internet access and data transfer 802.11b, 802.11g 802.11b, 802.11i, 802.11g

Multimedia Broadcast
Analog Radio Receiver No FM radio (88-108 MHz) with RDS

Satellite Navigation
Complementary GPS Services A-GPS, QuickGPS A-GPS, Geotagging

Built-in Digital CameraPrimary camera usually has better imaging capabilities than secondary camera if any
Camera Image SensorRefers to the semiconductor technology of image sensor CMOS CMOS
Number of pixels 5.0 MP cam 5.0 MP cam
Optical ZoomA feature that changes the focal length of the lens of a camera. Optical zoom requires the lens to move in and out, providing high-quality close ups from a distance 1 x 1 x
Auxiliary LightA flash is used to brighten dark areas when taking photographs; is also used as a flashlight dual LED single LED
Camcorder Resolution 720x480 pixel 720x480 pixel
24 fps 24 fps
Camera Extra Functions Macro mode, EIS, Face detection EIS
Camera PlacementRefers to the placement of the primary camera on the device Rear Rear

Built-in Secondary Digital CameraWidely used for video telephony or taking selfies

Power Supply
BatteryBattery technology Lithium-ion Yes
removable removable
Battery Capacity 1390 mAh 1390 mAh

Ingress Protection
Protection from solid materials Yes Yes
Protection from liquids Yes Yes

Built-in Sensors
Built-in compass Yes 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 Yes Yes
Additional sensorsBuilt-in ambient, biometric and comfort sensors Light intensity sensor, Proximity sensor Light intensity sensor, Proximity sensor

Datasheet 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 Preliminary