Asus ROG Phone 3 ZS661KS vs Xiaomi Redmi S2 (Redmi Y2)
Asus ROG Phone 3 ZS661KS
Xiaomi Redmi S2 (Redmi Y2)
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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 - China
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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 frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Global; LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
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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 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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LTE speedLTE-A, (6CA) Cat20, 2000 Mbps download, 150 Mbps uploadLTE
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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 announced2020-072018-5
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Status2020-072018-5
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Design
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BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frameFront glass, plastic body
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height171 mm160.7 mm
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Width78 mm77.3 mm
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Thickness9.9 mm8.1 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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ColorsBlackGold, Gray, Rose Gold
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.59 inches5.99 inches
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Resolution1080 x 2340 pixels720 x 1440 pixels
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Pixel density391 ppi269 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 585Octa-core 2.0 GHz Cortex-A53 ARM
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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+Qualcomm MSM8953 Snapdragon 625
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GPUAdreno 650Adreno 506
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Memory RAM8, 12, 16 GB3, 4 GB
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Internal storage128, 256, 512 GB32, 64 GB
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Memory cardNomicroSD
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Memory card max-256 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 typeTripleDual
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Main camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm12 MP, f/2.2 , 1.25 µm
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13 MP, f/2.4 , 11 mm5 MP
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5 MP, f/2.0
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Primary camera resolution-4000 x 3000 pixels
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Primary camera video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashLED flashLED flash
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Electronic image stabilization-EIS (gyro)
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Camera featuresHDR, PanoramaGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera24 MP, f/2.0 , 27 mm, 0.9 µm16 MP
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Selfie camera resolution-4608 x 3456 pixels
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Secondary camera HDR-HDR
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Selfie camera video1080p@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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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 802.11b, 802.11g, 802.11n
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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 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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Bluetoothv5.1v4.2
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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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Infrared-Yes
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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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-Po
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Battery capacity6000 mAh3080 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-