Digma Optima 8027 3G vs Vertex Impress Vira
Digma Optima 8027 3G
Vertex Impress Vira
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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LTE speed-LTE, Cat4, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-42018-11
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Status2019-42018-11
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Design
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BuildPlasticPlastic
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM(Nano-SIM, dual stand-by)
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Height123 mm148 mm
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Width208 mm70 mm
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Thickness10 mm10.5 mm
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Weight320 g186 g
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ColorsBlackBlack
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Display
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Display typeIPSIPS
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Physical size8 inches5.5 inches
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Resolution1280 x 800 pixels640 x 1280 pixels
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Pixel density189 ppi260 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.5 GHz Cortex-A53
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ChipsetSpreadtrum SC7731EMediaTek MT6739WW
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GPUMali-T820 MP1PowerVR GE8100
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Internal storage16 GB16 GB
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Memory RAM1 GB2 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB128 GB
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 8.1 Oreo
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Main camera
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Camera type-Dual
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Main camera2 MP8 MP
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0.3 MP
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Primary camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Primary camera video720p@30fps720p@30fps
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Primary camera flash-LED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, HDR, white balance settings, scene modeAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene mode
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Selfie camera
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Selfie camera0.31 MP5 MP
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Selfie camera resolution640 x 480 pixels2560 x 1920 pixels
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Selfie camera video480p@30fps MP480p@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
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n, 802.11n 5GHz
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.2v4.0
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Bluetooth A2DPYesYes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometerAccelerometer, light, 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 capacity3500 mAh3300 mAh
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Battery removableNon-removableRemovable