Ark Benefit M551 (SuperD) vs Blackview A20
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Ark Benefit M551 (SuperD)
Blackview A20
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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 networkLTE frequency band 3(1800), 7(2600), 18(800)-
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HSDPA speed-21 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE Cat4, 150.8 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 announced2018-102018-4
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Status2018-102018-4
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Design
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BuildMetal, plasticPlastic
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SIMDual SIM (Micro-SIM, dual SIM stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height152 mm146.7 mm
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Width75.7 mm70.7 mm
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Thickness8.9 mm9.6 mm
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Weight172 g170 g
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ColorsBlack, GoldBlack, Gold, Gray
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size5.5 inches5.5 inches
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Resolution1080 x 1920 pixels480 x 960 pixels
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Pixel density401 ppi195 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 1.5 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A7
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CPU(second)quad-core 1 GHz Cortex-A53
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ChipsetMediatek MT6750TMediatek MT6580M
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GPUMali-T860 MP2Mali-400 MP2
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Memory RAM3 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB32 GB
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OS
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OSAndroid 6.0 MashmallowAndroid OS, v8.0 Oreo Go Edition
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Main camera
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Camera typeSingleDual
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Main camera13 MP5 MP, f/2.0
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0.3 MP
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Primary camera resolution4160 x 3120 pixels2592 x 1944 pixels
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Primary camera video1080p@30fps720p@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, 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 camera8 MP2 MP, f/2.8
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Selfie camera resolution3264 x 2448 pixels1600 x 1200 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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EarpieceYes-
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Multimedia
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RadioFM Radio-
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Radio FM-FM 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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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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SensorsAccelerometer, compass, gyroscope, proximity, lightAccelerometer, 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 mAh3000 mAh
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Battery removableRemovableRemovable
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Talk time 2G-10 h
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Talk time 3G-10 h
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Standby time 2G-240 h
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Standby time 3G-240 h
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