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HTC HD2 US vs Acer Liquid Metal

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HTC HD2 US Remove phone

Posted: 07 Jan 2010
Market Status: Released
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Acer Liquid Metal Remove phone

Posted: 29 Oct 2010
Market Status: Released

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Design
Device typeSmart phoneSmart phone 
OSWindows Mobile Professional (6.5)Android (2.2) 
Dimensions4.76 x 2.64 x 0.43 inches (121 x 67 x 11 mm)4.53 x 2.48 x 0.53 inches (115 x 63 x 13.5mm) 
Weight5.54 oz (157 g)
the average is 4.8 oz (136 g)
4.76 oz (135 g)
the average is 4.8 oz (136 g)
 
Display
Physical size4.3 inches3.6 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 ppi259 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.

TFTTFT 
Colors65 53616 777 216 
TouchscreenMulti-touchMulti-touch 
FeaturesLight sensor, Proximity sensor, Scratch-resistant glassLight sensor, Proximity sensor 
Camera
Camera5 megapixels5 megapixels 
FlashDual LEDLED 
FeaturesAutofocus, Digital zoomAutofocus, Digital image stabilization, Face detection, Smile detection, Geo tagging 
CamcorderYes1280x720 (720p HD) (30 fps) 
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 QSD8250Qualcomm Snapdragon S2 MSM7230 
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 MHz, ScorpionSingle core, 800 MHz, Scorpion 
Graphics processorAdreno 200Adreno 205 
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 / 1024 MB ROM512 MB RAM / 512 MB ROM 
Storage expansionmicroSD, microSDHC up to 32 GBmicroSD, microSDHC up to 32 GB 
Battery
Talk time6.33 hours
the average is 12 h (714 min)
11.00 hours
the average is 12 h (714 min)
 
Stand-by time20.4 days (490 hours)
the average is 20 days (491 h)
18.8 days (450 hours)
the average is 20 days (491 h)
 
Talk time (3G) 8.00 hours
the average is 14 h (855 min)
 
Stand-by time (3G) 22.9 days (550 hours)
the average is 29 days (695 h)
 
Capacity1230 mAh1500 mAh 
specifications continue after the ad
Multimedia
RadioFM, Stereo  
YouTube player Yes 
Internet browsing
BrowserOpera Browser  
Built-in online services support Facebook, YouTube (upload), Picasa/Google+, Twitter 
Technology
GSM850, 900, 1800, 1900 MHz850, 900, 1800, 1900 MHz 
UMTS1700/2100, 2100 MHz900, 1900, 2100 MHz 
DataHSDPA 7.2 Mbit/s, HSUPA 2 Mbit/s, UMTS, EDGEHSDPA 14.4 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-GPSGPS, A-GPS 
NavigationYesYes 
Connectivity
Bluetooth2.1, EDR2.1, EDR 
Wi-Fi802.11 b, g802.11 b, g, n 
USBUSB 2.0USB 2.0 
ConnectormicroUSBmicroUSB 
OtherComputer syncUPnP, Computer sync, OTA sync 
Other features
NotificationsHaptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Phone profiles, SpeakerphoneService lights, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone 
SensorsAccelerometer, CompassAccelerometer, Compass 
OtherVoice dialing, Voice commands, Voice recordingVoice recording 
Availability
Officially announced06 Jan 201029 Oct 2010 

To see the full specifications with in-depth details click here.

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