Asus Zenfone 5z ZS620KL vs Asus Zenfone Go ZB551KL
Asus Zenfone 5z ZS620KL
Asus Zenfone Go ZB551KL
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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, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTELTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800)
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HSDPA speed42.2 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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LTE-A speedLTE-A, (5CA) Cat18, 1200 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 announced2018-22016-4
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Status2018-62016-5
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Design
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BuildFront glass, aluminum body-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height153 mm151 mm
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Width75.7 mm76.9 mm
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Thickness7.9 mm10.7 mm
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Weight155 g160 g
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ColorsMeteor Silver, Midnight BlueCharcoal Black, Floral Pink, Glacier Gray, Glamour Red, Lake Blue, Pearl White, Sheer Gold, Silver Blue
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.2 inches5.5 inches
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Resolution1080 x 2246 pixels720 x 1280 pixels
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Pixel density402 ppi267 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla GlassCorning Gorilla Glass 3
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MultitouchYes, max 10 fingersYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.7 GHz Kryo 385 GoldQuad-core 1.6 GHz Cortex-A7 ARM
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CPU(second)quad-core 1.7 GHz Kryo 385 Silver
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ChipsetQualcomm SDM845 Snapdragon 845Qualcomm MSM8928 Snapdragon 400
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GPUAdreno 630Adreno 305
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Memory RAM4, 6, 8 GB2 GB
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Internal storage64, 128, 256 GB16, 32 GB
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Memory cardmicroSD(uses second SIM slot)microSD
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Memory card max400 GB64 GB
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OS
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OSAndroid 8.0 (Oreo)Android OS, v5.1 (Lollipop)
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Main camera
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Camera typeDual-
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Main camera12 MP, f/1.8 , 24 mm, 1/2.55" , 1.4 µm13 MP, f/2.0
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8 MP, f/2.0 , 12 mm, 1/4" , 1.12 µm
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Primary camera video2160p@60fps, 1080p@30/60/120fps, 720p@240fps1080p@30fps
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Primary camera Autofocusphase detection autofocusautofocus
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Primary camera flashdual-LED (dual tone) flashdual-LED (dual tone) flash
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Electronic image stabilizationEIS (gyro)-
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera8 MP, f/2.0 , 24 mm, 1/4" , 1.12 µm5 MP, f/2.0
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Electronic image stabilizationEIS (gyro)-
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with dual speakersYes
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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 802.11a, 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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USBType-C 1.0 reversible connectormicroUSB 2.0
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Bluetoothv5.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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Bluetooth EDR-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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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 EmailPush Email
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Java-No
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityAccelerometer, proximity
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3300 mAh3010 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingYes-
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Talk time 3G-16 h
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Standby time 3G-335 h