HTC Vivid vs i-mobile 638CG
HTC Vivid
i-mobile 638CG
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 850, 1900, 2100-
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4G networkLTE 700 MHz Class 17, 1700, 2100-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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LTE speedLTE-
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GPRSYesYes
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EDGEYes
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Availability
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Status2011-11
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Oficially announced2011-102009
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height128.8 mm113 mm
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Width67.1 mm51 mm
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Thickness11.2 mm14.5 mm
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Weight176.9 g
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ColorsBlack, WhiteBlack
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Display
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Display typeS-LCD capacitive touchscreenTFT
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Physical size4.5 inches2.4 inches
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Resolution540 x 960 pixels240 x 320 pixels
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Pixel density245 ppi167 ppi
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Display colors262144262144
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Hardware
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CPUDual-core 1.2 GHz Scorpion
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ChipsetQualcomm APQ8060 Snapdragon-
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GPUAdreno 220-
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Memory RAM1 GB-
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Internal storage16 GB25 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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OS
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OSAndroid OS, v2.3.4 (Gingerbread)-
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Main camera
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Main camera8 MP3.15 MP
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Primary camera resolution3264 x 2448 pixels2048 x 1536 pixels
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Primary camera video1080pvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-No
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0Yes
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Bluetoothv3.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging EMS-EMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging Push EmailPush Email-
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1620 mAh1050 mAh
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Talk time7 h 40 min8 h 30 min
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Standby time288 h400 h