Plum Optimax 13 vs ZTE Blade A31 Lite
Plum Optimax 13
ZTE Blade A31 Lite
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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, 2100
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4G network-LTE frequency band 1, 3, 5, 7, 8, 20, 38
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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, 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 announced2018-122021-06
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Status2019-12021-06
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Design
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Build-Plastic frame, plastic back
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SIMDual SIM (Mini-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height250.8 mm137.3 mm
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Width158.8 mm67.5 mm
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Thickness10.2 mm10.5 mm
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Weight510 g143 g
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ColorsBlack, Gold, WhiteBlue, Gray
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Display
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Display typeIPS LCD capacitive touchscreenTFT LCD
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Physical size10.1 inches5.0 inches
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Resolution800 x 1280 pixels480 x 960 pixels
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Pixel density149 ppi215 ppi
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Display colors1677721616777216
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MultitouchYes, max 5 fingers-
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.4 GHz Cortex-A53
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ChipsetSpreadtrum SC7731Unisoc SC9832E
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GPUMali-400Mali-T820 MP1
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Memory RAM1 GB1 GB
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Internal storage8 GB32 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max32 GB128 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 8.0 Oreo Go EditionAndroid 11 Go Edition
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Main camera
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Camera type-Single
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Main camera5 MP5 MP
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Interpolated resolution-8 MP
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Primary camera resolution-2560 x 1920 pixels
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Primary camera video720p@30fps720p@30fps
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Primary camera flashLED flashLED flash
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Selfie camera
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Selfie camera type-Single
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Selfie camera2 MP2 MP, f/2.8
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Selfie camera interpolated resolution-5 MP
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Selfie camera resolution-1920 x 1080 pixels
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Selfie camera video480p@30fps480p@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 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 DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFC-No
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GPSYes, with A-GPSYes, with A-GPS
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Features
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SensorsAccelerometerAccelerometer
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Browser
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HTMLWAPHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4700 mAh2000 mAh
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Battery removableNon-removableNon-removable
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Talk time3.5 h-
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Standby time72 h-
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Tests and performance
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Antutu-112312 (v9)
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Cost
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Price-80 USD