Asus ROG Phone 3 ZS661KS vs Bravis NB851
Asus ROG Phone 3 ZS661KS
Bravis NB851
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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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EDGEYes-
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Availability
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Oficially announced2020-072018-10
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Status2020-072018-10
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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 (dual stand-by)
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Height171 mm122.8 mm
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Width78 mm206.5 mm
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Thickness9.9 mm7.7 mm
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Weight240 g332 g
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Build featuresRGB light panel (on the back), Pressure sensitive zones (Gaming triggers)-
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ColorsBlackBlack
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Display
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Display typeAMOLED capacitive touchscreenIPS capacitive touchscreen
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Physical size6.59 inches8 inches
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Resolution1080 x 2340 pixels1280 x 800 pixels
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Pixel density391 ppi189 ppi
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Display colors107374182416777216
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ProtectionCorning Gorilla Glass 6-
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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 MT8321
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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 GB16 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 8.1 Oreo
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Main camera
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Camera typeTripleSingle
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Main camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm2 MP
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13 MP, f/2.4 , 11 mm
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5 MP, f/2.0
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Primary camera resolution-1600 x 1200 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, PanoramaContinuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, self-timer
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Selfie camera
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Selfie camera24 MP, f/2.0 , 27 mm, 0.9 µm0.3 MP
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Selfie camera resolution-640 x 480 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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EarpieceYesYes
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Multimedia
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RadioNoFM 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 HotspotYes-
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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
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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 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4.0-
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Wireless reverse chargingYes-
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Cost
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Price600 USD-
