Blackview A20 vs DEXP T155
Blackview A20
DEXP T155
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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 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600)
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HSDPA speed21 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speed-LTE, Cat4, 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 announced2018-42018-12
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Status2018-42018-12
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Design
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BuildPlasticPlastic, metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
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Height146.7 mm163 mm
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Width70.7 mm76.6 mm
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Thickness9.6 mm13.9 mm
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Weight170 g270 g
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Waterproof-Yes, IP68
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Dust proof-Yes, IP68
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ColorsBlack, Gold, GrayBlack, Gold
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Display
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Display typeIPS capacitive touchscreenIPS
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Physical size5.5 inches5.5 inches
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Resolution480 x 960 pixels720 x 1440 pixels
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Pixel density195 ppi293 ppi
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Display colors1677721616777216
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ProtectionScratch resistantScratch resistant, Dragontrail glass, Oleophobic(lipophobic) coating
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.5 GHz Cortex-A53
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ChipsetMediatek MT6580MMediatek MT6739
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GPUMali-400 MP2PowerVR GE8100
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Memory RAM1 GB2 GB
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Internal storage8 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max32 GB128 GB
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OS
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OSAndroid OS, v8.0 Oreo Go EditionAndroid 8.1 Oreo
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Main camera
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Camera typeDualDual
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Main camera5 MP, f/2.08 MP
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0.3 MP8 MP
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Interpolated resolution-13 MP
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Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flashLED flashLED
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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, 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 MP, f/2.85 MP
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Selfie camera resolution1600 x 1200 pixels2592 x 1944 pixels
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Selfie camera video480p@30fps720p@30fps MP
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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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Radio-FM Radio
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Radio FMFM 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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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometer, light, proximityAccelerometer, compass, fingerprint, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3000 mAh5000 mAh
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Battery removableRemovableNon-removable
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Talk time 2G10 h-
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Talk time 3G10 h-
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Standby time 2G240 h-
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Standby time 3G240 h-
