Digma Optima Prime 4 3G vs Xiaomi Redmi 3
Digma Optima Prime 4 3G
Xiaomi Redmi 3
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Network
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2G networkGSM 900, 1800GSM 900, 1800, 1900
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3G networkHSDPA 1900HSDPA 850, 1900, 2100
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EV-DO speed-EV-DO
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42016-1
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Status2018-42016-1
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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 (Micro-SIM/Nano-SIM, dual stand-by)
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Height107.8 mm139.3 mm
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Width188 mm69.6 mm
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Thickness10 mm8.5 mm
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Weight270 g144 g
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ColorsBlackClassic Gold, Dark Gray, Gold, Silver
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Display
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Display typeTNIPS LCD capacitive touchscreen
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Physical size7 inches5.0 inches
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Resolution1024 x 600 pixels720 x 1280 pixels
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Pixel density170 ppi294 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPUQuad-core 1.2 GHz Cortex-A7Quad-core 1.5 GHz Cortex-A53 ARM
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CPU(second)quad-core 1.2 GHz ARM Cortex-A53
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ChipsetSpreadtrum SC7731CQualcomm MSM8939v2 Snapdragon 616
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GPUMali-400 MP1Adreno 405
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Memory RAM1 GB2 GB
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Internal storage8 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max64 GB128 GB
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OS
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OSAndroid 7.0 NougatAndroid OS, v5.1 (Lollipop)
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Selfie camera
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Selfie camera0.31 MP5 MP, f/2.2
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Selfie camera resolution640 x 480 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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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 802.11b, 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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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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Infrared-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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BDS-Yes
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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 IM-IM
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Messaging Push Mail-Push Mail
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Java-No
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SensorsAccelerometerAccelerometer, compass, gyro, 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 capacity2200 mAh4100 mAh
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Battery removableNon-removableNon-removable
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Talk time--
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Standby time--
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Main camera
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Camera type-Photo / Video
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Main camera13 MP, f/2.0
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Primary camera video-1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, face/smile detection, panorama, touch focus
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