Celkon C820 vs Toshiba Excite 7.7 AT275
Celkon C820
Toshiba Excite 7.7 AT275
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA
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HSDPA speedHSDPAHSDPA
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HSUPA speedHSUPAHSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122012-4
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Status2012-7
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Design
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SIMDual SIMMini-SIM
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Height210 mm204.5 mm
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Width131 mm135.2 mm
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Thickness10.5 mm7.8 mm
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Weight332 g
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ColorsBlack, SilverDark gray metallic
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Display
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Display typeCapacitive touchscreenAMOLED capacitive touchscreen
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Physical size8.0 inches7.7 inches
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Resolution800 x 1280 pixels1280 x 800 pixels
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Pixel density189 ppi196 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1 GHzQuad-core 1.5 GHz
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Chipset-Nvidia Tegra 3
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GPU-ULP GeForce 2
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Memory RAM512 MB1 GB
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Internal storage4 GB16, 32, 64 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android OS, v4.0 (Ice Cream Sandwich)
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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
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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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Selfie camera1.3 MP2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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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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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0miniUSB 2.0
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BluetoothYesv3.0
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GPSYesYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push Mail
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Adobe Flash-Yes
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity4000 mAh-
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Battery removableNon-removableNon-removable
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Talk time14 h-
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Standby time500 h-
