Asus ROG Phone 3 ZS661KS vs Blackview A20
Asus ROG Phone 3 ZS661KS
Blackview A20
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900
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3G networkHSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100 - A version; HSDPA 850, 900, 1700(AWS), 1900, 2100 - B versionHSDPA 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71 - A version; LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41 - B version-
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5G network5G band 1, 2, 3, 5, 28, 41, 66, 71, 77, 78, 79; SA/NSA - A version; 5G band 41, 77, 78, 79 SA/NSA - B version-
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HSDPA speed42.2 Mbps21 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A, (6CA) Cat20, 2000 Mbps download, 150 Mbps upload-
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5G speed4.4 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-072018-4
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Status2020-072018-4
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Design
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BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum framePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height171 mm146.7 mm
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Width78 mm70.7 mm
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Thickness9.9 mm9.6 mm
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Weight240 g170 g
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Build featuresRGB light panel (on the back), Pressure sensitive zones (Gaming triggers)-
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ColorsBlackBlack, Gold, Gray
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Display
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Display typeAMOLED capacitive touchscreenIPS capacitive touchscreen
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Physical size6.59 inches5.5 inches
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Resolution1080 x 2340 pixels480 x 960 pixels
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Pixel density391 ppi195 ppi
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Display colors107374182416777216
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ProtectionCorning Gorilla Glass 6Scratch resistant
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Multitouch-Yes
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Display featuresHDR10+, 144Hz refresh rate, 650 nits max. brightness-
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DxOMark display score70-
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Hardware
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CPUOcta-core-
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CPUSingle-core 3.1 GHz Kryo 585Quad-core 1.3 GHz Cortex-A7
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CPU(second)Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.8 GHz Kryo 585
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ChipsetQualcomm SM8250 Snapdragon 865+Mediatek MT6580M
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GPUAdreno 650Mali-400 MP2
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Memory RAM8, 12, 16 GB1 GB
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Internal storage128, 256, 512 GB8 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-32 GB
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StorageUFS 3.1-
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OS
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OSROG UI (Android 10)Android OS, v8.0 Oreo Go Edition
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Main camera
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Camera typeTripleDual
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Main camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm5 MP, f/2.0
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13 MP, f/2.4 , 11 mm0.3 MP
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5 MP, f/2.0
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Primary camera resolution-2592 x 1944 pixels
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Primary camera video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS720p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresHDR, PanoramaAutofocus, 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 camera24 MP, f/2.0 , 27 mm, 0.9 µm2 MP, f/2.8
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Selfie camera resolution-1600 x 1200 pixels
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Selfie camera video1080p@30fps480p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with DTS X stereo speakersYes
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EarpieceYes-
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11adWi-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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Wi-Fi displayYes-
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WLAN WiFi Dual BandYes-
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USBType-C 3.1 (side), Type-C 2.0 (bottom)microUSB 2.0
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USB connectorAccessory connector-
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Bluetoothv5.1v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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Bluetooth AptXaptX HD, aptX Adaptive-
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NFCYes-
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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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QZSSYes-
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GNSSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity6000 mAh3000 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingQuick Charge 4.0-
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Wireless reverse chargingYes-
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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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Cost
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Price600 USD-
