Oppo R3 vs Samsung Galaxy J7
Oppo R3
Samsung Galaxy J7
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkTD-SCDMA 1880-1920/2010-2025HSDPA 850, 900, 1900, 2100
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4G networkTD-LTE 1880-1920/ 2300-2400/ 2570-2620-
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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HSPA+ speedHSPA+-
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LTE speedLTE-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-62015-6
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Status2014-72015-6
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Design
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SIMMicro-SIMDual SIM (Micro-SIM, dual stand-by)
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Height142.3 mm152.2 mm
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Width70.4 mm79.1 mm
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Thickness6.3 mm7.9 mm
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Weight140 g169 g
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ColorsBlack, whiteBlack, Gold, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size5.0 inches5.5 inches
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Resolution720 x 1280 pixels720 x 1280 pixels
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Pixel density294 ppi267 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.6 GHz ARM Cortex-A7Quad-core 1.4 GHz ARM Cortex-A53
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CPU(second)quad-core 1.0 GHz ARM Cortex-A53
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ChipsetQualcomm Snapdragon 400Qualcomm Snapdragon 615
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GPUAdreno 305Adreno 405
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Memory RAM1 GB1.5 GB
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Internal storage8 GB16 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB128 GB
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OS
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OSAndroid OS, v4.3 (Jelly Bean)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera8 MP13 MP
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Primary camera resolution3264 x 2448 pixels4128 x 3096 pixels
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Primary camera video1080p1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera features-Geo-tagging, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera5 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 FMStereo FM radio with RDSFM radio with RDS
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Radio recording-recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi UpnpYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GPS Navigator-Beidou
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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 IM-IM
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Messaging Push EmailPush EmailPush Mail
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2410 mAh3000 mAh
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Talk time--
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Standby time--
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