Celkon A20 vs HTC 7 Pro
Celkon A20
HTC 7 Pro
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 900, 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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HSUPA speed-HSUPA, 2 Mbps
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2013-82011-1
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Oficially announced2013-82010-10
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height117.5 mm
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Width59 mm
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Thickness15.5 mm
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Weight185 g
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Keyboard-QWERTY
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenCapacitive touchscreen
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Physical size4.0 inches3.6 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density233 ppi259 ppi
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Hardware
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CPUDual-core 1.2 GHz1 GHz Scorpion
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Chipset-Qualcomm QSD8250 Snapdragon
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GPU-Adreno 200
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Memory ROM256 MB512 MB
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Memory RAM512 MB576 MB
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Internal storage-8 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v4.2.0 (Jelly Bean)Microsoft Windows Phone 7
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Main camera
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera videovideo720p@25fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3, WAV ringtones
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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GPSNoYes, with A-GPS
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GPS Maps-Bing Maps
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Email
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JavaYes, via Java MIDP emulatorYes
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Java MIDP-MIDP 2.1
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh1230 mAh
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Talk time--
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Talk time 2G-4 h
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Talk time 3G-4 h 16 min
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Standby time--
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Standby time 2G-275 h
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Standby time 3G-255 h
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Multimedia
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Radio FM-Stereo FM radio with RDS
