Asus Zenfone V V520KL vs Xiaomi Redmi 4 (4X)
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Asus Zenfone V V520KL
Xiaomi Redmi 4 (4X)
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; GSM 900, 1800 - India
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA - China; HSDPA 900, 2100 - India
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4G networkLTE frequency band 2(1900), 4(1700/2100), 5(850), 13(700)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) - China; LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India
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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-A speedLTE-A, (2CA) Cat6, 400 Mbps download, 50 Mbps uploadLTE-A, (2CA) Cat6, 300 Mbps download, 100 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-92017-5
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Status2017-92017-5
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Design
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
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Height146.6 mm139.2 mm
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Width72.6 mm70 mm
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Thickness7.6 mm8.7 mm
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Weight147.1 g150 g
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ColorsSapphire BlackBlack, Gold
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.2 inches5.0 inches
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Resolution1080 x 1920 pixels720 x 1280 pixels
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Pixel density424 ppi294 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla GlassCorning Gorilla Glass
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MultitouchYes, max 10 fingersYes
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Hardware
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CPUQuad-core-
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CPUDual-core 2.15 GHz KryoOcta-core 1.4 GHz Cortex-A53 ARM
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CPU(second)dual-core 1.6 GHz Kryo
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ChipsetQualcomm MSM8996 Snapdragon 820Qualcomm MSM8940 Snapdragon 435
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GPUAdreno 530Adreno 505
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Memory RAM4 GB2, 3, 4 GB
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Internal storage32 GB16, 32, 64 GB
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Memory cardmicroSD(uses second SIM slot)microSD(uses second SIM slot)
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Memory card max256 GB128 GB
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OS
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OSAndroid 7.0 (Nougat)Android 6.0.1 (Marshmallow)
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Main camera
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Main camera23 MP, f/2.013 MP, f/2.0
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Primary camera video2160p@30fps, 1080p@30fps1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashdual-LED (dual tone) flashLED 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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Primary camera laser autofocuslaser autofocus-
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Camera features1.0 µm pixel size, 1/2.6" sensor size, HDR, face detection, geo-tagging, panorama, touch focusGeo-tagging, HDR, face/smile detection, panorama, touch focus
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Selfie camera
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Selfie camera8 MP, f/2.05 MP, f/2.2
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Secondary camera HDRHDR-
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Secondary Camera Panoramapanorama-
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Selfie camera video1080p1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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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, 802.11acWi-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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WLAN WiFi Dual BandYes-
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USBType-C 1.0 reversible connectormicroUSB 2.0
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Bluetoothv4.2v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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Infrared-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BDSYesYes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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Messaging Push Mail-Push Mail
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JavaNoNo
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SensorsFingerprint (front-mounted), accelerometer, compass, gyro, 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-IonLi-Po
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Battery capacity3000 mAh4100 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 2.0, 60% in 37 min-
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Talk time 3G-36 h
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Standby time 3G-432 h
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