Asus Zenfone 4 Selfie ZD553KL vs Unnecto Air 4.5
Asus Zenfone 4 Selfie ZD553KL
Unnecto Air 4.5
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 2100HSDPA 850, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300)-
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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HSPA speedHSPA-
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LTE speedLTE-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-82015-1
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Status2017-92015-2
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Design
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (dual stand-by)
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Height155.7 mm133.9 mm
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Width75.9 mm66 mm
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Thickness7.9 mm8.3 mm
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Weight144 g110.6 g
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ColorsBlackBlack, Gray, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.5 inches4.5 inches
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Resolution720 x 1280 pixels480 x 854 pixels
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Pixel density267 ppi218 ppi
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Display colors1677721616777216
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MultitouchYes, max 10 fingers-
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Hardware
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CPUOcta-core 1.4 GHz ARM Cortex-A53Quad-core 1.3 GHz
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ChipsetQualcomm MSM8937 Snapdragon 430-
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GPUAdreno 505Mali-450MP4
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Memory RAM4 GB1 GB
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Internal storage64 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max256 GB32 GB
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OS
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OSAndroid 7.0 (Nougat)Android OS, v4.4.2 (KitKat)
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Main camera
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Main camera16 MP8 MP
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Primary camera resolution-3264 x 2448 pixels
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Primary camera video1080p@30fps1080p@60fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashdual-LED (dual tone) flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, HDR, face/smile detection, touch focus
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Selfie camera
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FlashLED flash-
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Selfie camera typeDual-
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Selfie camera20 MP3 MP
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8 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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USB host-Yes
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Bluetoothv4.1v4.0
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Bluetooth A2DPYes-
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bluetooth LEYes-
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Bluetooth EDRYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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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 EmailPush Email
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JavaNoYes, via Java MIDP emulator
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SensorsFingerprint (front-mounted), accelerometer, compass, gyro, proximityAccelerometer
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3000 mAh1700 mAh
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Battery removableNon-removable-
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Talk time 3G-8 h
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Standby time 3G-120 h
