Celkon A35k vs Oppo U3
Celkon A35k
Oppo U3
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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 1900, 2000
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HSDPA speedHSDPA-
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122015-1
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Status2014-122015-3
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
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Height119 mm156.8 mm
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Width63 mm81 mm
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Thickness10.7 mm8 mm
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Weight102 g195 g
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ColorsBlue, WhiteBlack, White
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size3.5 inches5.9 inches
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Resolution320 x 480 pixels1080 x 1920 pixels
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Pixel density165 ppi377 ppi
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Display colors-16777216
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Hardware
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CPU1 GHz1.7 GHz Octa-core ARM Cortex-A53
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Chipset-Mediatek MT6752
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GPU-Mali-T760MP2
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Memory ROM512 MB-
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Memory RAM256 MB2 GB
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Internal storage-16 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v4.4.4 (KitKat)
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Main camera
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Main camera3.15 MP13 MP
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Primary camera resolution-4128 x 3096 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Secondary cameraVGA camera-
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Selfie camera5 MP
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Selfie camera video-1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV 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-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv4.0
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GPSNoYes, 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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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Sensors-Accelerometer, compass, proximity
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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 capacity1400 mAh3100 mAh
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Talk time--
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Talk time 3G-10 h
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Standby time--
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Standby time 3G-400 h