Celkon CT-910+ vs Philips D813
Celkon CT-910+
Philips D813
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 2100-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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EV-DO speed-3.1 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-72011
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Status2013-7
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Design
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SIMYesMini-SIM
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Height193 mm113 mm
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Width123 mm56 mm
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Thickness9 mm15.6 mm
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Weight180 g121 g
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ColorsGraySilver
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Display
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Display typeCapacitive touchscreenTFT resistive touchscreen
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Physical size7.0 inches3.2 inches
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Resolution600 x 1024 pixels240 x 400 pixels
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Pixel density170 ppi146 ppi
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Display colors-66560
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Hardware
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CPUDual-core 1 GHz
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Internal storage-130 MB
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Memory cardmicroSDmicroSD
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Memory card max64 GB8 GB
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Memory card included-2 GB
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OS
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OSAndroid OS, v4.1 (Jelly Bean)-
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Main camera
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Main camera2 MP3.15 MP
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Primary camera resolution1600 x 1200 pixels2048 x 1536 pixels
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Primary camera videovideo320p@15fps
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesNo
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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-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi
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USBYesminiUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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GPSYes, with A-GPSYes
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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 IMIM-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorNo
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Browser
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3500 mAh1300 mAh
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Battery removableNon-removable-
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Talk time10 h4 h
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Standby time300 h140 h
