Digma Optima 7018N 4G vs Infinix Zero 4 Plus
Digma Optima 7018N 4G
Infinix Zero 4 Plus
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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, 1700, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300); LTE frequency band 2(1900), 3(1800), 4(1700/2100), 7(2600), 28(700)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42017-3
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Status2018-42017-3
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Design
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BuildPlasticMetal
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height109 mm160.5 mm
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Width190 mm83 mm
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Thickness9.2 mm8.3 mm
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Weight270 g203 g
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ColorsBlackChampagne, Blue, Grey, Pink
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Display
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Display typeIPSIPS LCD capacitive touchscreen
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Physical size7 inches5.98 inches
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Resolution1024 x 600 pixels1080 x 1920 pixels
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Pixel density170 ppi368 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
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MultitouchYesYes
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Hardware
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CPU-Deca-core
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CPUQuad-core 1.0 GHz Cortex-A53Dual-core 2.0 GHz Cortex-A72
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CPU(second)quad-core 1.85 GHz Cortex-A53
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CPU(third)Quad-core 1.4 GHz Cortex-A53
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ChipsetMediaTek MT8735VMediatek MT6797M Helio X20
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GPUMali-T720 MP2Mali-T880 MP4
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Memory RAM2 GB4 GB
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Internal storage16 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB128 GB
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OS
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OSAndroid 7.0 NougatAndroid 6.0 Marshmallow
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Main camera
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Camera type-Dual
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Main camera2 MP20 MP, f/2.0
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Primary camera resolution1600 x 1200 pixels5312 x 3984 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flash-dual-LED flash
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Primary camera phase detection autofocus-phase detection autofocus
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Camera featuresContinuous shooting, digital zoom, geotagging, HDR, scene modeAutofocus, continuous shooting, digital zoom, optical image stabilization, 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 MP13 MP, f/2.2
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Selfie camera resolution640 x 480 pixels4160 x 3120 pixels
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Selfie camera video480p@30fps MP720p@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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Radio-FM Radio
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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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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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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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyroscope, 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 capacity2500 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Talk time 2G-35 h
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Talk time 3G-35 h
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Standby time 2G-270 h
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Standby time 3G-270 h
