Cubot Rainbow 2 vs Digma Optima 7018N 4G
Cubot Rainbow 2
Digma Optima 7018N 4G
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 900, 1900, 2100HSDPA 1900
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600)
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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 announced20172018-4
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Status20172018-4
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Design
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BuildPlasticPlastic
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Micro-SIM/Mini-SIM, dual stand-by)
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Height144 mm109 mm
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Width72 mm190 mm
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Thickness7.9 mm9.2 mm
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Weight165 g270 g
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ColorsBlack, Blue, Gold, Red, WhiteBlack
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Display
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Display typeIPS capacitive touchscreenIPS
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Physical size5 inches7 inches
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Resolution720 x 1280 pixels1024 x 600 pixels
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Pixel density294 ppi170 ppi
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Display colors1677721616777216
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ProtectionGFF full lamination-
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.0 GHz Cortex-A53
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ChipsetMediatek MT6580AMediaTek MT8735V
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GPUMali-400 MP2Mali-T720 MP2
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Memory RAM1 GB2 GB
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Internal storage16 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB64 GB
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OS
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OSAndroid OS, v7.0 NougatAndroid 7.0 Nougat
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Main camera
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Camera typeDual-
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Main camera8 MP, f/2.4 , 1.127 µm2 MP
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2 MP
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Primary camera resolution3264 x 2448 pixels1600 x 1200 pixels
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Primary camera video720p@30fps720p@30fps
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Primary camera flashLED flash-
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Camera featuresAutofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeContinuous shooting, digital zoom, geotagging, HDR, scene mode
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Selfie camera
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Selfie camera2 MP, f/2.8 , 1.75 µm0.31 MP
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Selfie camera resolution1600 x 1200 pixels640 x 480 pixels
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Selfie camera video480p@30fps480p@30fps MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Earpiece-Yes
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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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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.0v4.0
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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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SensorsAccelerometer, light, proximityAccelerometer
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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 capacity2350 mAh2500 mAh
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Battery removableNon-removableNon-removable
