Digma Optima Prime 4 3G vs Vodafone Smart first 7
Digma Optima Prime 4 3G
Vodafone Smart first 7
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 1900HSDPA 900, 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 announced2018-42016-5
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Status2018-42016-5
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Design
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BuildPlastic-
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Mini-SIM
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Height107.8 mm114.4 mm
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Width188 mm62.8 mm
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Thickness10 mm12 mm
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Weight270 g110 g
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ColorsBlackTech White, Volcano Black
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Display
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Display typeTNTFT TN capacitive touchscreen
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Physical size7 inches3.5 inches
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Resolution1024 x 600 pixels320 x 480 pixels
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Pixel density170 ppi165 ppi
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Display colors16777216-
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MultitouchYesNo
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Hardware
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CPUQuad-core 1.2 GHz Cortex-A7Quad-core 1.3 GHz Cortex-A7 ARM
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ChipsetSpreadtrum SC7731CSpreadtrum SC7731G
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GPUMali-400 MP1Mali-400MP2
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Memory RAM1 GB512 MB
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Internal storage8 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max64 GB64 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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Secondary camera-No
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Selfie camera0.31 MP
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v2.1
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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 IM-IM
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Java-No
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SensorsAccelerometerNo
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2200 mAh1400 mAh
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Battery removableNon-removableRemovable
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Talk time 3G-5 h
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Main camera
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Main camera2 MP
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Primary camera video-720p@30fps
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Camera features-Geo-tagging
