Asus Zenfone AR ZS571KL vs Realme X2
Asus Zenfone AR ZS571KL
Realme X2
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 900, 1900, 2100 - EMEA; HSDPA 850, 1700(AWS), 1900, 2100 - USAHSDPA 850, 900, 1900, 2100
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4G networkLTELTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps11.5 Mbps
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LTE speed-LTE Cat13, Cat15
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LTE-A speedLTE-A, (3CA) Cat12, 600 Mbps download, 75 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-12019-9
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Status2019-9
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Design
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Build-Front/back glass, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height158.7 mm158.7 mm
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Width77.7 mm75.2 mm
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Thickness9 mm8.6 mm
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Weight170 g182 g
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ColorsBlackBlue, White
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Display
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Display typeSuper AMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.7 inches6.4 inches
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Resolution1440 x 2560 pixels1080 x 2340 pixels
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Pixel density515 ppi403 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 4Scratch resistant, Corning Gorilla Glass 5
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MultitouchYes, max 10 fingersYes
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Hardware
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CPUQuad-coreOcta-core
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CPUDual-core 2.35 GHz KryoDual-core 2.2 GHz Kryo 470 Gold
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CPU(second)dual-core 1.6 GHz KryoHexa-core 1.8 GHz Kryo 470 Silver
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ChipsetQualcomm MSM8996 Snapdragon 821Qualcomm SDM730 Snapdragon 730G
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GPUAdreno 530Adreno 618
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Memory RAM4, 8 GB6, 8 GB
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Internal storage32, 64, 128, 256 GB64, 128, 256 GB
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Memory cardmicroSD(uses second SIM slot)microSD, microSDHC, microSDXC
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Memory card max256 GB256 GB
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Storage-UFS 2.1
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OS
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OSAndroid OS, v7.0 (Nougat)ColorOS 6 (Android 9.0 Pie)
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Main camera
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Camera type-Quad
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Main camera23 MP, f/2.0 , 3x optical zoom64 MP, f/1.8 , 1/1.7" , 0.8 µm
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8 MP, f/2.3 , 13 mm, 1/4" , 1.12 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution-9280 x 6944 pixels
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Primary camera video2160p@30fps2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
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Tracking sensorsdepth & motion tracking sensors-
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Primary camera flash-LED flash
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Primary camera optical image stabilization4-axis optical image stabilization-
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Primary camera phase detection autofocusphase detection autofocus-
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Camera features1 µm pixel size, 1/2.6" sensor size, HDR, face detection, geo-tagging, panorama, touch focusAutofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection
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Selfie camera
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Selfie camera8 MP, f/2.032 MP, f/2.0
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Selfie camera resolution-6528 x 4896 pixels
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Selfie camera video1080p1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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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, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi display-Yes
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorType-C reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BDSYesYes
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push MailPush Mail-
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JavaNo-
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SensorsFingerprint (front-mounted), accelerometer, compass, gyro, proximityAccelerometer, compass, fingerprint, geomagnetic, gyroscope, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity3300 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3.0VOOC Flash Charge 3.0 (67% in 30 min)
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Cost
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Price-230 USD
