Blackview BV4900S vs Plum Ram 9
Blackview BV4900S
Plum Ram 9
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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 900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1, 3, 7, 8, 20, 40LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40
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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, Cat4, 150 Mbps download, 51 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2021-092020-04
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Oficially announced2021-092020-02
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Design
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BuildPolycarbonate, rubber, silicone-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height157.5 mm133.4 mm
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Width78.1 mm64.4 mm
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Thickness13.7 mm15.8 mm
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Weight261 g109 g
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WaterproofIP68IP68 (1.5m and 30 mins)
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Dust proofIP68IP68
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MIL-STD-810GYes-
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Flashlight-Yes
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ColorsBlack, Green, Orange, YellowBlack, Black/Orange
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Display
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Display typeIPS TFTTFT
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Physical size5.7 inches2.4 inches
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Resolution720 x 1440 pixels240 x 320 pixels
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Pixel density282 ppi167 ppi
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Display colors16777216262144
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ProtectionScratch resistant, Asahi Dragontrail glass-
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Hardware
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CPUOcta-core-
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CPUQuad-core 1.6 GHz Cortex-A55Dual-core
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CPU(second)quad-core 1.2 GHz Cortex-A55
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ChipsetUnisoc SC9863AMediatek MT6572M
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GPUPowerVR GE8322-
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Memory RAM2 GB512 MB
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Internal storage32 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB-
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StorageeMMC-
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OS
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OSDoke OS 2.0 (Android 11 Go Edition)KaiOS
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Main camera
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Camera typeSingleSingle
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Main camera8 MP, f/2.45 MP
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p@30fps480p
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Primary camera flashLED flashLED flash
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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 typeSingleSingle
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Selfie camera5 MP, f/2.2 , 1/4" , 1.4 µm1.3 MP
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera featuresFace unlock-
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Selfie camera video720p@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 HotspotYes-
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.2v4.0
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Bluetooth A2DPYes-
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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GALILEOYes-
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BDSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, magnetometer, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity5580 mAh1700 mAh
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Battery removableNon-removableRemovable
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Tests and performance
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Antutu72117 (v8)-
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Geekbench(single-core)137 (v5.2)-
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Geekbench(multi-core)627 (v5.2)-
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Cost
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Price100 USD-
