Digma Optima Prime 4 3G vs alcatel Smart Tab 7
Digma Optima Prime 4 3G
alcatel Smart Tab 7
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Network
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2G networkGSM 900, 1800N/A
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3G networkHSDPA 1900N/A
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4G network-N/A
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GPRSYesNo
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EDGEYesNo
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Availability
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Oficially announced2018-42019-9
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Status2018-42019-9
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Design
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BuildPlasticPlastic
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)No
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Height107.8 mm176 mm
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Width188 mm126 mm
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Thickness10 mm12 mm
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Weight270 g268 g
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ColorsBlackBlack
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Display
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Display typeTNTN TFT capacitive touchscreen
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Physical size7 inches7.0 inches
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Resolution1024 x 600 pixels1024 x 600 pixels
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Pixel density170 ppi170 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.2 GHz Cortex-A7Quad-core 1.3 GHz Cortex-A53
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ChipsetSpreadtrum SC7731CMediatek MT8167D
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GPUMali-400 MP1PowerVR GE8300
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Memory RAM1 GB1.5 GB
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Internal storage8 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB16 GB
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OS
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OSAndroid 7.0 NougatAndroid 9.0 Pie
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Selfie camera
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Selfie camera0.31 MP2 MP, f/2.4 , 1/5" , 1.65 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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EarpieceYesYes
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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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Wi-Fi display-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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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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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2200 mAh2580 mAh
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Battery removableNon-removableNon-removable
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Main camera
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Main camera2 MP, f/2.4 , 1/5"
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Primary camera resolution-1920 x 1080 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-LED flash
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Cost
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Price-90 USD
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