Lenovo K9 vs Plum Optimax 13
Lenovo K9
Plum Optimax 13
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 1900, 2100
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4G networkLTE 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 speed42.2 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-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 announced2018-102018-12
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Status2018-102019-1
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Design
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BuildMetal-
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Mini-SIM, dual stand-by)
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Height153.8 mm250.8 mm
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Width72.9 mm158.8 mm
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Thickness8 mm10.2 mm
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Weight155 g510 g
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ColorsBlack, BlueBlack, Gold, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.7 inches10.1 inches
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Resolution720 x 1440 pixels800 x 1280 pixels
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Pixel density282 ppi149 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen-
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MultitouchYesYes, max 5 fingers
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A7
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CPU(second)quad-core 1.5 GHz Cortex-A53
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ChipsetMediatek MT6762 Helio P22Spreadtrum SC7731
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GPUPowerVR GE8320Mali-400
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Memory RAM3 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max256 GB32 GB
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OS
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OSAndroid 8.1 OreoAndroid 8.0 Oreo Go Edition
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Main camera
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Camera typeDual-
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Main camera13 MP, f/2.2 , 1/3" , 1.12 µm5 MP
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5 MP, f/2.4 , 1.12 µm
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video1080p@30/60fps720p@30fps
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Primary camera flashdual-LED flashLED flash
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Primary camera phase detection autofocusphase detection autofocus-
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Camera featuresAutofocus, 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 typeDual-
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Selfie camera13 MP, f/2.2 , 1/3" , 1.12 µm2 MP
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5 MP, f/2.4 , 1.12 µm
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Selfie camera resolution4160 x 3120 pixels-
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Selfie camera video1080p@30/60fps480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYes-
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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 DirectYesYes
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USBType-C 1.0 reversible connectormicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.1v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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GPSYes, with A-GPSYes, with A-GPS
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Features
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SensorsAccelerometer, fingerprint, light, proximityAccelerometer
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Browser
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HTMLHTML5WAP
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3000 mAh4700 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Talk time-3.5 h
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Standby time-72 h