Digma Optima 8027 3G vs Lenovo K9
Digma Optima 8027 3G
Lenovo K9
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 900, 1900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE-A, Cat6, 300 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 announced2019-42018-10
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Status2019-42018-10
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Design
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BuildPlasticMetal
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height123 mm153.8 mm
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Width208 mm72.9 mm
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Thickness10 mm8 mm
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Weight320 g155 g
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ColorsBlackBlack, Blue
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Display
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Display typeIPSIPS LCD capacitive touchscreen
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Physical size8 inches5.7 inches
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Resolution1280 x 800 pixels720 x 1440 pixels
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Pixel density189 ppi282 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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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 2.0 GHz Cortex-A53
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CPU(second)quad-core 1.5 GHz Cortex-A53
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ChipsetSpreadtrum SC7731EMediatek MT6762 Helio P22
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GPUMali-T820 MP1PowerVR GE8320
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Memory RAM1 GB3 GB
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Internal storage16 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB256 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 MP13 MP, f/2.2 , 1/3" , 1.12 µm
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5 MP, f/2.4 , 1.12 µm
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Primary camera resolution1600 x 1200 pixels4160 x 3120 pixels
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Primary camera video720p@30fps1080p@30/60fps
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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, 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 camera type-Dual
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Selfie camera0.31 MP13 MP, f/2.2 , 1/3" , 1.12 µm
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5 MP, f/2.4 , 1.12 µm
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Selfie camera resolution640 x 480 pixels4160 x 3120 pixels
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Selfie camera video480p@30fps MP1080p@30/60fps
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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
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.2v4.1
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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, 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-Ion
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Battery capacity3500 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes