Oppo A31 (2015) vs Samsung Galaxy Express I8730
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Oppo A31 (2015)
Samsung Galaxy Express I8730
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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, 2010HSDPA 850, 900, 2100
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4G network-LTE 800, 900, 1800, 2600
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HSDPA speed-HSDPA, 21.1 Mbps
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HSUPA speed-HSUPA, 5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-42013-1
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Status20152013-3
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Design
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SIMDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)Micro-SIM
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Height131.9 mm132.2 mm
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Width65.5 mm69.1 mm
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Thickness8 mm9.3 mm
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Weight135 g139.1 g
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ColorsBlue, WhiteGray, White
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED Plus capacitive touchscreen
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Physical size4.5 inches4.5 inches
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Resolution480 x 854 pixels480 x 800 pixels
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Pixel density218 ppi207 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core ARM Cortex-A53Dual-core Krait 1.2 GHz
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ChipsetQualcomm MSM8916 Snapdragon 410Qualcomm MSM8930 Snapdragon 400
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GPUAdreno 306Adreno 305
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Memory RAM1 GB1 GB
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Internal storage8 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB32 GB
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OS
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OSAndroid OS, v4.4 (KitKat)Android OS, v4.1.2 (Jelly Bean)
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Main camera
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Camera type-Photo / Video
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Main camera8 MP5 MP
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Primary camera resolution3264 x 2448 pixels2592 x 1944 pixels
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Primary camera video1080p@30fps720p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Primary camera video stereo sound record-stereo sound record
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Camera featuresGeo-tagging-
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Selfie camera
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Selfie camera5 MP1.3 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
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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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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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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WLAN DLNA-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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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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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, proximity-
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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 capacity2000 mAh2000 mAh
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Talk time7 h-
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Talk time 2G-19 h 23 min
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Talk time 3G-11 h 30 min
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Standby time240 h-
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Standby time 2G-586 h
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Standby time 3G-581 h
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Multimedia
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Radio FM-Stereo FM radio with RDS
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Radio recording-FM recording
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