Asus ROG Phone 3 ZS661KS vs Samsung Galaxy A8 Star (A9 Star)
Asus ROG Phone 3 ZS661KS
Samsung Galaxy A8 Star (A9 Star)
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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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 850, 900, 1900, 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 versionLTE
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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 Mbps42.2 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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LTE-A speed-LTE-A, (3CA) Cat9, 450 Mbps download, 50 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 announced2020-072018-6
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Status2020-072018
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Design
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BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum framePolycarbonate
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height171 mm162.4 mm
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Width78 mm77 mm
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Thickness9.9 mm7.6 mm
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Weight240 g191 g
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Payment-Samsung Pay
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Build featuresRGB light panel (on the back), Pressure sensitive zones (Gaming triggers)-
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ColorsBlackBlack, White
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Display
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Display typeAMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size6.59 inches6.3 inches
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Resolution1080 x 2340 pixels1080 x 2220 pixels
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Pixel density391 ppi392 ppi
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Display colors107374182416777216
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ProtectionCorning Gorilla Glass 62.5D curved glass screen
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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-coreOcta-core
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CPUSingle-core 3.1 GHz Kryo 585Quad-core 2.2 GHz Kryo 260
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CPU(second)Triple-core 2.42 GHz Kryo 585quad-core 1.8 GHz Kryo 260
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CPU(third)Quad-core 1.8 GHz Kryo 585
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ChipsetQualcomm SM8250 Snapdragon 865+Qualcomm SDM660 Snapdragon 660
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GPUAdreno 650Adreno 512
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Memory RAM8, 12, 16 GB4 GB
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Internal storage128, 256, 512 GB64 GB
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Memory cardNomicroSD(uses second SIM slot)
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Memory card max-400 GB
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StorageUFS 3.1-
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OS
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OSROG UI (Android 10)Android 8.0 (Oreo)
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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 µm24 MP, f/1.7
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13 MP, f/2.4 , 11 mm16 MP, f/1.7
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5 MP, f/2.0
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS2160p@30fps, 1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashLED flashLED flash
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Camera featuresHDR, PanoramaGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera24 MP, f/2.0 , 27 mm, 0.9 µm24 MP, f/2.0
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Selfie camera resolution-5632 x 4224 pixels
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Selfie camera video1080p@30fps1080p
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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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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYesYes
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYesYes
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USBType-C 3.1 (side), Type-C 2.0 (bottom)Type-C 1.0 reversible connector
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USB connectorAccessory connector-
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Bluetoothv5.1v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD, aptX Adaptive-
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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QZSSYes-
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GNSSYes-
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityFingerprint (rear-mounted), accelerometer, compass, gyro, 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 mAh3700 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4.0Yes
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Wireless reverse chargingYes-
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Cost
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Price600 USD-