Digma Optima 8027 3G vs Oppo A39
Digma Optima 8027 3G
Oppo A39
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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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 announced2019-42017-3
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Status2019-42017-3
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Design
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BuildPlastic-
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height123 mm149.1 mm
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Width208 mm72.9 mm
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Thickness10 mm7.7 mm
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Weight320 g147 g
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ColorsBlackGold, Rose Gold
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Display
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Display typeIPSIPS LCD capacitive touchscreen
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Physical size8 inches5.2 inches
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Resolution1280 x 800 pixels720 x 1280 pixels
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Pixel density189 ppi282 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 4
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Octa-core
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ChipsetSpreadtrum SC7731EMediatek MT6750
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GPUMali-T820 MP1Mali-T860MP2
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Memory RAM1 GB3 GB
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Internal storage16 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max128 GB256 GB
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 5.1 (Lollipop)
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Main camera
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Main camera2 MP13 MP, f/2.2
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Primary camera resolution1600 x 1200 pixels-
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Primary camera video720p@30fps1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, HDR, white balance settings, scene mode1/3" sensor size, HDR, face detection, geo-tagging, panorama, touch focus
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Selfie camera
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Selfie camera0.31 MP5 MP, f/2.4 , 1/4" , 1.4 µm
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Selfie camera resolution640 x 480 pixels-
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Selfie camera video480p@30fps MP-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYes-
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Multimedia
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RadioFM Radio-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging Push Email-Push Email
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Java-No
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SensorsAccelerometerAccelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3500 mAh2900 mAh
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Battery removableNon-removableNon-removable