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HTC HD7S vs HTC HD2 US

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HTC HD7S Remove phone

Posted: 21 Mar 2011
Market Status: Released
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HTC HD2 US Remove phone

Posted: 07 Jan 2010
Market Status: Released

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Design
Device typeSmart phoneSmart phone 
OSWindows Phone 7.5 MangoWindows Mobile Professional (6.5) 
Dimensions4.80 x 2.68 x 0.44 inches (122 x 68 x 11.2 mm)4.76 x 2.64 x 0.43 inches (121 x 67 x 11 mm) 
Weight5.71 oz (162 g)
the average is 4.8 oz (137 g)
5.54 oz (157 g)
the average is 4.8 oz (137 g)
 
Display
Physical size4.3 inches4.3 inches 
Resolution480 x 800 pixels480 x 800 pixels 
Pixel density

Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is.

217 ppi217 ppi 
Technology

Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays.

S-LCDTFT 
Colors16 777 21665 536 
TouchscreenMulti-touchMulti-touch 
FeaturesLight sensor, Proximity sensorLight sensor, Proximity sensor, Scratch-resistant glass 
Camera
Camera5 megapixels5 megapixels 
FlashDual LEDDual LED 
FeaturesAutofocus, ScenesAutofocus, Digital zoom 
Camcorder1280x720 (720p HD)Yes 
Hardware
System chip

System chip - Most modern handsets use an advanced chip that includes many of the device’s hardware modules like the processor, Wi-Fi, Bluetooth and sometimes even the wireless radio. This field shows what particular system chip (or System-on-a-Chip) is used in the phone.

 Qualcomm Snapdragon S1 QSD8250 
Processor

Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance.

Single core, 1000 MHzSingle core, 1000 MHz, Scorpion 
Graphics processor Adreno 200 
System memory

System memory - System memory, or RAM memory is the type of memory that the device uses to temporarily store data from the OS or currently-running apps. The more RAM available to the device, the better the performance will be when multiple or heavier programs are running.

576 MB RAM / 512 MB ROM576 MB RAM / 1024 MB ROM 
Built-in storage16 GB  
Storage expansion microSD, microSDHC up to 32 GB 
Battery
Talk time4.50 hours
the average is 12 h (740 min)
6.33 hours
the average is 12 h (740 min)
 
Stand-by time11.5 days (276 hours)
the average is 20 days (492 h)
20.4 days (490 hours)
the average is 20 days (492 h)
 
Capacity1230 mAh1230 mAh 
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Multimedia
Music player   
Filter byAlbum, Artist, Playlists  
FeaturesAlbum art cover, Background playback, Music recognition, Dolby Mobile, SRS WOW HD  
RadioFMFM, Stereo 
Internet browsing
Browser Opera Browser 
Built-in online services supportFacebook  
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
UMTS850, 1900 MHz1700/2100, 2100 MHz 
DataHSDPA 7.2 Mbit/s, HSUPA 2 Mbit/s, UMTS, EDGEHSDPA 7.2 Mbit/s, HSUPA 2 Mbit/s, UMTS, EDGE 
Positioning

Positioning - This field shows the positioning systems supported by the device. There are three main types: GPS, A-GPS and GLONASS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization. GLONASS - GLONASS is a global positioning system, developed by the Russian Federation. It’s very similar to GPS, but isn’t so popular in cell phones.

A-GPSA-GPS 
NavigationYesYes 
Connectivity
Bluetooth2.1, EDR2.1, EDR 
Wi-Fi802.11 b, g, n802.11 b, g 
USBUSB 2.0USB 2.0 
ConnectormicroUSBmicroUSB 
OtherComputer sync, OTA syncComputer sync 
Other features
NotificationsService lights, Music ringtones (MP3, WMA, M4A (Apple lossless)), Polyphonic ringtones, Vibration, Flight mode, Silent mode, SpeakerphoneHaptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Phone profiles, Speakerphone 
SensorsAccelerometer, CompassAccelerometer, Compass 
Hearing aid compatibilityM3  
OtherVoice recording, TTY/TDDVoice dialing, Voice commands, Voice recording 
Availability
Officially announced21 Mar 201106 Jan 2010 
Shopping information
MSRP price$ 500  

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