Celkon C770 Dj vs Microsoft Surface
Celkon C770 Dj
Microsoft Surface
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G networkYes-
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Speed YesYes-
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GPRSYes
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EDGE
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Availability
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Status2012-11
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Oficially announced2014-122012-10
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Design
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SIMDual SIM (Mini-SIM)No
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Height118 mm274.6 mm
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Width52 mm172 mm
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Thickness12.9 mm9.4 mm
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Weight680.4 g
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ColorsBlack/RedDark Titanium
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size2.4 inches10.6 inches
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Resolution240 x 320 pixels1366 x 768 pixels
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Pixel density167 ppi148 ppi
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Display colors-16777216
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A9
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Chipset-Nvidia Tegra 3 T30
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GPU-ULP GeForce
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Memory RAM-2 GB
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Internal storage-32, 64 GB
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Memory cardmicroSDmicroSD
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Memory card max16 GB64 GB
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Main camera
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Main camera2 MP1.2 MP
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Primary camera resolution1600 x 1200 pixels1280 x 800 pixels
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Primary camera videovideo720p
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.2 MP
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Selfie camera video-720p@30fps
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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 FMStereo 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 Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBYes2.0
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USB host-Yes
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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GPSNoNo
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Features
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Messaging SMSSMS-
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Messaging MMSMMS-
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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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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1350 mAh-
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Battery removable-Non-removable
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Talk time9 h 10 min8 h
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Standby time350 h360 h
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OS
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OS-Microsoft Windows 8 RT
