Digma Optima Prime 4 3G vs Oukitel K9
Digma Optima Prime 4 3G
Oukitel K9
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900W-CDMA 850, 900, 1700, 1900, 2100
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800)
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LTE speed-LTE Cat6, 301.5 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 announced2018-42019
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Status2018-42019
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Design
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BuildPlasticAluminium alloy, plastic
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM/microSD)
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Height107.8 mm177.6 mm
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Width188 mm86.3 mm
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Thickness10 mm8.9 mm
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Weight270 g232 g
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ColorsBlackBlack, Blue
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Display
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Display typeTNIPS capacitive touchscreen
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Physical size7 inches7.12 inches
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Resolution1024 x 600 pixels1080 x 2244 pixels
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Pixel density170 ppi350 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, LTPS (Low Temperature PolySilicon)
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.2 GHz Cortex-A7Quad-core 2.3 GHz Cortex-A53
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CPU(second)quad-core 1.8 GHz Cortex-A53
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ChipsetSpreadtrum SC7731CMediaTek Helio P35 (MT6765)
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GPUMali-400 MP1PowerVR GE8320
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Memory RAM1 GB6 GB
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Internal storage8 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 7.0 NougatAndroid 9.0 Pie
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Selfie camera
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Selfie camera0.31 MP8 MP, 1.124 µm
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Selfie camera resolution640 x 480 pixels3264 x 2448 pixels
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Selfie camera video480p@30fps MP1080p@30fps
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Sound
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3.5mm jackYes-
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioFM radio, with RDS
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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 Hotspot-Yes
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WLAN WiFi Direct-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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Bluetoothv4.0v4.2
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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, compass, fingerprint, gyroscope, proximity, light
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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 capacity2200 mAh6000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Main camera
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Camera type-Dual
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Main camera16 MP
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2 MP
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-quad-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
