Blackview BV4900S vs Ulefone Tab A7
Blackview BV4900S
Ulefone Tab A7
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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, 2, 3, 5, 7, 8, 20
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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, Cat4, 301 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 announced2021-092020-05
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Status2021-092020-05
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Design
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BuildPolycarbonate, rubber, siliconeMetal, plastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height157.5 mm243.6 mm
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Width78.1 mm162.4 mm
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Thickness13.7 mm7.9 mm
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Weight261 g566 g
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WaterproofIP68-
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Dust proofIP68-
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MIL-STD-810GYes-
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ColorsBlack, Green, Orange, YellowGray
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Display
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Display typeIPS TFTIPS LCD
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Physical size5.7 inches10.1 inches
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Resolution720 x 1440 pixels1200 x 1920 pixels
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Pixel density282 ppi224 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Asahi Dragontrail glass-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 1.6 GHz Cortex-A55Quad-core 1.6 GHz Cortex-A55
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CPU(second)quad-core 1.2 GHz Cortex-A55quad-core 1.2 GHz Cortex-A55
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ChipsetUnisoc SC9863AUnisoc SC9863A
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GPUPowerVR GE8322Mali-G52 MC2
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Memory RAM2 GB4 GB
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Internal storage32 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB128 GB
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StorageeMMC-
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OS
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OSDoke OS 2.0 (Android 11 Go Edition)Android 11
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Main camera
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Camera typeSingleSingle
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Main camera8 MP, f/2.413 MP, f/2.2 , 1/4" , 1.4 µm
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Primary camera resolution3264 x 2448 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@30fps
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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-modeAutofocus, 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 µm5 MP
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Selfie camera resolution2560 x 1920 pixels2560 x 1920 pixels
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Selfie camera featuresFace unlockFace unlock
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Selfie camera video720p@30fps720p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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EarpieceYes-
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Multimedia
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RadioFM RadioFM radio with RDS, recording
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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 HotspotYesWi-Fi hotspot
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WLAN WiFi Dual Band-Dual-band
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesA2DP
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bluetooth LE-LE
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NFCYesNo
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GPSYes, with A-GPSYes
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GLONASSYesYes
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GALILEOYes-
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BDSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, magnetometer, proximityAccelerometer, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity5580 mAh7680 mAh
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Battery removableNon-removableNon-removable
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Standby time 2G-30 h
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Standby time 3G-465 h
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Tests and performance
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Antutu72117 (v8)103200 (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 USD150 USD
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