Digma Citi 7591 3G vs Plum Optimax 13
Digma Citi 7591 3G
Plum Optimax 13
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 1900, 2100
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-82018-12
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Status2019-82019-1
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Design
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BuildPlastic-
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Mini-SIM, dual stand-by)
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Height108 mm250.8 mm
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Width189 mm158.8 mm
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Thickness11 mm10.2 mm
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Weight280 g510 g
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ColorsBlackBlack, Gold, White
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7 inches10.1 inches
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Resolution1280 x 800 pixels800 x 1280 pixels
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Pixel density216 ppi149 ppi
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Display colors1677721616777216
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MultitouchYesYes, max 5 fingers
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.3 GHz Cortex-A7
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ChipsetMediatek MT8321Spreadtrum SC7731
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GPUMali-400 MP2Mali-400
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Memory RAM2 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max64 GB32 GB
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OS
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OSAndroid 9.0 PieAndroid 8.0 Oreo Go Edition
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Main camera
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Camera typeSingle-
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels-
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Primary camera video720p@30fps720p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene mode-
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Selfie camera
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Selfie camera0.3 MP2 MP
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Selfie camera resolution640 x 480 pixels-
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Selfie camera video480p@30fps480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYes-
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Multimedia
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RadioFM RadioFM Radio
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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 Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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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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SensorsAccelerometerAccelerometer
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Browser
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HTMLHTML5WAP
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2800 mAh4700 mAh
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Battery removableNon-removableNon-removable
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Talk time-3.5 h
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Standby time-72 h