Celkon Campus Buddy A404 vs Oppo R1 R829T
Celkon Campus Buddy A404
Oppo R1 R829T
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100TD-SCDMA 1880-1920/2010-2025
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HSPA+ speed-HSPA+
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Speed YesYes-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-72013-12
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Status2014-72013-12
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Design
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SIMDual SIMDual SIM (Micro-SIM, dual stand-by)
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Height126.5 mm142.7 mm
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Width64.2 mm70.4 mm
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Thickness9.8 mm7.1 mm
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Weight131 g140 g
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ColorsBlack, WhiteBlack, White
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Display
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Display typeCapacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.0 inches5.0 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density233 ppi294 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzQuad-core 1.3 GHz ARM Cortex-A7
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Chipset-Mediatek MT6582
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GPU-Mali-400MP2
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Memory RAM512 MB1 GB
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Internal storage4 GB16 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android OS, v4.2.1 (Jelly Bean)
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Main camera
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Main camera3.15 MP8 MP
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Primary camera resolution2048 x 1536 pixels3264 x 2448 pixels
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Primary camera video720p1080p
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Camera featuresYes-
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Selfie camera
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Selfie camera1.3 MP5 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio FMFM radioStereo FM radio with RDS
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Upnp-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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GPSYesYes, with A-GPS
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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 Push Email-Push Email
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer-
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh2410 mAh
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Talk time--
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Standby time--
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