Celkon C297 vs Yezz Billy 4.7
Celkon C297
Yezz Billy 4.7
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100
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HSDPA speed-HSDPA, 42.2 Mbps
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HSUPA speed-HSUPA, 5.76 Mbps
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2013-82014-5
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Status2013-82014-7
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Dual SIM (Micro-SIM)
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Height135.8 mm
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Width67.2 mm
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Thickness7.2 mm
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Weight120 g
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ColorsBlackBlue, Red, White
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size2.4 inches4.7 inches
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Resolution240 x 320 pixels720 x 1280 pixels
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Pixel density167 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-Qualcomm MSM8212 Snapdragon 200
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GPU-Adreno 302
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Memory RAM-1 GB
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Internal storage-8 GB
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Memory cardmicroSDmicroSD
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Memory card max8 GB128 GB
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Main camera
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Main camera1.3 MP8 MP
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Primary camera resolution1280 x 1024 pixels3264 x 2448 pixels
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Primary camera videovideo720p@30fps
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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 jack-Yes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMFM radioStereo FM radio
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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 Hotspot-Yes
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WLAN WiFi Dual Band-Yes
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USBYesmicroUSB 2.0
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS
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GLONASS-Yes
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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JavaNoNo
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Browser
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HTML-HTML5
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh1780 mAh
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Talk time--
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Talk time 2G-16 h
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Talk time 3G-7 h 30 min
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Standby time--
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Standby time 2G-480 h
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Standby time 3G-350 h
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OS
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OS-Microsoft Windows Phone 8.1
