Celkon A355 vs Oppo A31 (2015)
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Celkon A355
Oppo A31 (2015)
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPATD-SCDMA 1880, 2010
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HSPA speedHSPA-
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-52015-4
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Status2015-52015
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Design
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SIMDual SIMDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
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Height115.3 mm131.9 mm
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Width63.3 mm65.5 mm
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Thickness10.2 mm8 mm
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Weight97.5 g135 g
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ColorsDark Blue, Light Blue, Red, White, YellowBlue, White
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Display
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Display typeCapacitive touchscreenIPS LCD capacitive touchscreen
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Physical size3.5 inches4.5 inches
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Resolution320 x 480 pixels480 x 854 pixels
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Pixel density165 ppi218 ppi
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Display colors-16777216
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Hardware
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CPU1 GHzQuad-core ARM Cortex-A53
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ChipsetSpreadtrum 7715Qualcomm MSM8916 Snapdragon 410
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GPUMali-400Adreno 306
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Memory RAM256 MB1 GB
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Internal storage512 MB8 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB128 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v4.4 (KitKat)
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Main camera
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Main camera2 MP8 MP
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Primary camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Camera featuresYesGeo-tagging
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera5 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 radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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USBYesmicroUSB 2.0
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BluetoothYesv4.0
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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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JavaNoNo
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SensorsAccelerometerAccelerometer, proximity
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1200 mAh2000 mAh
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Talk time-7 h
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Standby time-240 h
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