Digma Optima 8027 3G vs Oukitel U18
Digma Optima 8027 3G
Oukitel U18
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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), 8(900), 18(800)
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LTE speed-LTE, Cat6, 301 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 announced2019-42018-1
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Status2019-42018-1
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Design
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BuildPlasticAluminium alloy
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
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Height123 mm150.5 mm
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Width208 mm73.2 mm
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Thickness10 mm10 mm
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Weight320 g213 g
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ColorsBlackBlack, Blue, Gold
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Display
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Display typeIPSIPS capacitive touchscreen
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Physical size8 inches5.85 inches
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Resolution1280 x 800 pixels720 x 1512 pixels
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Pixel density189 ppi286 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, GFF full lamination
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.5 GHz Cortex-A53
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CPU(second)quad-core 1.0 GHz Cortex-A53
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ChipsetSpreadtrum SC7731EMediatek MT6750T
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GPUMali-T820 MP1Mali-T860 MP2
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Internal storage16 GB64 GB
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Memory RAM1 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB64 GB
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 7.0 Nougat/Android 8.0 Oreo
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Main camera
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Camera type-Dual
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Main camera2 MP13 MP, 1.127 µm
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5 MP
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Interpolated resolution-16 MP
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Primary camera resolution1600 x 1200 pixels4160 x 3120 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flash-dual-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, exposure compensation, white balance settings, ISO settings, self-timer, scene mode
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Selfie camera
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Selfie camera0.31 MP8 MP, 1.127 µm
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Selfie camera interpolated resolution-13 MP
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Selfie camera resolution640 x 480 pixels3264 x 2448 pixels
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Selfie camera video480p@30fps MP480p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYes-
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Headphone adapter-Yes
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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 802.11a, 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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Wi-Fi display-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.2v4.2
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Bluetooth A2DPYesYes
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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, fingerprint, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity3500 mAh4000 mAh
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Battery removableNon-removableNon-removable
