Digma Linx A452 3G vs Vertex Impress Lightning
Digma Linx A452 3G
Vertex Impress Lightning
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900HSDPA 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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HSDPA speed21 Mbps-
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HSUPA speed5.76 Mbps-
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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 announced20172017
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Status20172017
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height133.5 mm-
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Width67 mm-
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Thickness11 mm-
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Weight129 g-
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ColorsBlackBlack
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Display
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Display typeTFTTFT
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Physical size4 inches4.5 inches
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Resolution480 x 854 pixels480 x 854 pixels
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Pixel density245 ppi218 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 ARM Cortex-A7Quad-core 1.3 GHz Cortex-A7
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ChipsetSpreadtrum SC7731CSpreadtrum SC9832
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GPUMali-400 MP2Mali-400 MP2
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Memory RAM1 GB1 GB
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Internal storage8 GB8 GB
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Memory cardmicroSD, microSDHCmicroSD, microSDHC
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Memory card max32 GB-
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OS
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OSAndroid 7.0 NougatAndroid 7.0 Nougat
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Main camera
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Main camera2 MP2 MP
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Primary camera resolution1600 x 1200 pixels1600 x 1200 pixels
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Primary camera video480p@30fps720p@30fps
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Primary camera flashLEDLED flash
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Camera featuresAutofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene modeAutofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene mode
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Selfie camera
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Selfie camera0.3 MP0.3 MP
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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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Multimedia
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Radio FMFM 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 HotspotYesYes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v4.0
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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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SensorsAccelerometerAccelerometer
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1800 mAh1700 mAh
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Battery removableRemovableRemovable
