LG K31 vs Plum Optimax 13
LG K31
Plum Optimax 13
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 1900, 2100
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4G networkLTE frequency band 2, 4, 5, 12, 13, 25, 26, 41, 66, 71-
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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-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082018-12
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Status2020-082019-1
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Design
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BuildPlastic-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Mini-SIM, dual stand-by)
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Height147.8 mm250.8 mm
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Width71.1 mm158.8 mm
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Thickness8.6 mm10.2 mm
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Weight146 g510 g
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MIL-STD-810GYes-
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ColorsSilverBlack, 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 1520 pixels800 x 1280 pixels
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Pixel density295 ppi149 ppi
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Display colors1677721616777216
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Multitouch-Yes, max 5 fingers
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Hardware
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CPUOcta-core 2.0 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A7
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Chipset-Spreadtrum SC7731
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GPU-Mali-400
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Memory RAM2 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max-32 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 10.0 (LG UX 9.1)Android 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/1.8 , 27 mm, 1/3.1" , 1.12 µm5 MP
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5 MP, f/2.2 , 1/5.0" , 1.12 µm
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video1080p@30fps720p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus-
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Selfie camera
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Selfie camera5 MP, f/2.2 , 24 mm, 1/5.0" , 1.12 µm2 MP
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera video1080p@30fps480p@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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RadioNoFM 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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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv5.0v4.0
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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, fingerprintAccelerometer
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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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Talk time-3.5 h
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Standby time-72 h
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Cost
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Price150 USD-
