Plum Optimax 13 vs Samsung Galaxy A31
Plum Optimax 13
Samsung Galaxy A31
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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, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G network-LTE frequency band 1(2100), 5(850), 7(2600), 8(900), 25(1900)
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE, Cat10, 452 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-122020-03
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Status2019-12020-04
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Design
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Build-Plastic
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SIMDual SIM (Mini-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height250.8 mm159.3 mm
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Width158.8 mm73.1 mm
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Thickness10.2 mm8.6 mm
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Weight510 g185 g
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ColorsBlack, Gold, WhiteBlack, Blue, Red, White
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size10.1 inches6.4 inches
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Resolution800 x 1280 pixels1080 x 2400 pixels
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Pixel density149 ppi411 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen
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MultitouchYes, max 5 fingersYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Dual-core 2.2 GHz Cortex-A75
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CPU(second)Hexa-core 1.7 GHz Cortex-A55
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ChipsetSpreadtrum SC7731-
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GPUMali-400-
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Memory RAM1 GB4, 6 GB
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Internal storage8 GB64, 128 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max32 GB512 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 8.0 Oreo Go EditionAndroid 10.0; One UI 2.0
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Main camera
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Camera type-Quad
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Main camera5 MP48 MP, f/2.0 , 1/2.0" , 0.8 µm
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8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm
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5 MP, f/2.4
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5 MP, f/2.4
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flashLED flashLED 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
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Selfie camera
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Selfie camera2 MP20 MP, f/2.2
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Selfie camera video480p@30fps1080p@30fps
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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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RadioFM Radio-
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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, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual Band-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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Bluetoothv4.0v5.0
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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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GLONASS-Yes
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GALILEO-Yes
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Beidou-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyroscope, proximity
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Browser
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HTMLWAPHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity4700 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time3.5 h-
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Standby time72 h-
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Cost
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Price-200 USD
