Digma Optima Prime 4 3G vs Xiaomi Redmi 8A Pro
Digma Optima Prime 4 3G
Xiaomi Redmi 8A Pro
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900HSDPA 850, 900, 1900, 2100
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4G network-LTE frequency band 1, 3, 5, 8, 40, 41
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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-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42020-04
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Status2018-42020-04
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Design
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BuildPlasticGlass front (Gorilla Glass 5), plastic back, plastic frame
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height107.8 mm156.5 mm
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Width188 mm75.4 mm
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Thickness10 mm9.4 mm
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Weight270 g188 g
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Splash resistant-Yes
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ColorsBlackBlack, Blue, Grey
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Display
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Display typeTNIPS LCD capacitive touchscreen
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Physical size7 inches6.22 inches
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Resolution1024 x 600 pixels720 x 1520 pixels
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Pixel density170 ppi270 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
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MultitouchYes-
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Display features-400 nits typ. brightness
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.2 GHz Cortex-A7Quad-core 1.95 GHz Cortex-A53
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CPU(second)quad-core 1.45 GHz Cortex-A53
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ChipsetSpreadtrum SC7731CQualcomm SDM439 Snapdragon 439
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GPUMali-400 MP1Adreno 505
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Memory RAM1 GB2, 3 GB
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Internal storage8 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB-
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Storage-eMMC 5.1
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OS
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OSAndroid 7.0 NougatMIUI 10 (Android 9.0 Pie)
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Selfie camera
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Selfie camera0.31 MP8 MP, f/2.0 , 1/3.1" , 1.12 µm
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Selfie camera resolution640 x 480 pixels4640 x 3120 pixels
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Selfie camera video480p@30fps MP1080p@30fps
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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, built-in antenna
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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 2.0Type-C reversible connector
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USB On-The-Go-Yes
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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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GLONASS-Yes
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Beidou-Yes
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Features
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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-Po
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Battery capacity2200 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge 4+
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Main camera
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Camera type-Dual
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Main camera14 MP, f/2.2 , 1/3.1" , 1.12 µm
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-LED flash
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Camera features-HDR
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Cost
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Price-110 USD
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