Celkon C504 vs Lenovo S820
Celkon C504
Lenovo S820
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G network-HSDPA 900, 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-122013-5
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Status2013-5
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height117 mm139.5 mm
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Width49 mm69.7 mm
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Thickness13.9 mm9 mm
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Weight143 g
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ColorsBlack/BlueCharcoal Black, Flamingo red, Pearl White
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size2.6 inches4.7 inches
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Resolution240 x 320 pixels720 x 1280 pixels
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Pixel density154 ppi312 ppi
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Display colors-16777216
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7
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Chipset-Mediatek MT6589
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GPU-PowerVR SGX544
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Memory RAM-1 GB
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Internal storage-4, 8 GB
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Memory cardmicroSDmicroSD
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Memory card max8 GB32 GB
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Main camera
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Main camera2 MP12 MP
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Primary camera resolution1600 x 1200 pixels4000 x 3000 pixels
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Primary camera videovideovideo
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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 cameraNo-
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Selfie camera2 MP
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Radio antenna-built-in antenna
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Dual Band-Yes
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USBYesmicroUSB 2.0
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BluetoothYesv3.0
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Mail
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JavaNoYes, via Java MIDP emulator
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Browser
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HTML-Yes
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1400 mAh2000 mAh
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Talk time6 h 40 min-
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Talk time 2G-22 h
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Talk time 3G-10 h
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Standby time550 h-
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Standby time 2G-140 h
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Standby time 3G-140 h
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OS
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OS-Android OS, v4.2 (Jelly Bean)
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