Asus Zenfone 5z ZS620KL vs Samsung Galaxy A21
Asus Zenfone 5z ZS620KL
Samsung Galaxy A21
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100 - USA; CDMA2000 1xEV-DO
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4G networkLTELTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA
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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 speed-LTE, Cat4, 151 Mbps download, 51 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 announced2018-22020-04
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Status2018-62020-06
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Design
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BuildFront glass, aluminum bodyGlass front, plastic back, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height153 mm167.8 mm
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Width75.7 mm76.7 mm
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Thickness7.9 mm8.1 mm
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Weight155 g193 g
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ColorsMeteor Silver, Midnight BlueBlack
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.2 inches6.5 inches
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Resolution1080 x 2246 pixels720 x 1600 pixels
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Pixel density402 ppi270 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass-
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MultitouchYes, max 10 fingers-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.7 GHz Kryo 385 GoldQuad-core 2.3 GHz Cortex-A53
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CPU(second)quad-core 1.7 GHz Kryo 385 Silverquad-core 1.8 GHz Cortex-A53
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ChipsetQualcomm SDM845 Snapdragon 845MediaTek Helio P35
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GPUAdreno 630PowerVR GE8320
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Memory RAM4, 6, 8 GB3 GB
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Internal storage64, 128, 256 GB32 GB
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Memory cardmicroSD(uses second SIM slot)microSD, microSDHC, microSDXC
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Memory card max400 GB512 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 8.0 (Oreo)One UI 2.0(Android 10)
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Main camera
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Camera typeDualQuad
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Main camera12 MP, f/1.8 , 24 mm, 1/2.55" , 1.4 µm16 MP, f/1.8 , 1/3.06" , 1.0 µm
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8 MP, f/2.0 , 12 mm, 1/4" , 1.12 µm8 MP, f/2.2 , 1/4.0" , 1.12 µm
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2 MP, f/2.4
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2 MP, f/2.4
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video2160p@60fps, 1080p@30/60/120fps, 720p@240fps1080p@30fps
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Primary camera Autofocusphase detection autofocus-
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Primary camera flashdual-LED (dual tone) flashLED flash
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Electronic image stabilizationEIS (gyro)-
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera8 MP, f/2.0 , 24 mm, 1/4" , 1.12 µm13 MP, f/2.0
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Selfie camera resolution-4160 x 3120 pixels
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Electronic image stabilizationEIS (gyro)-
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Selfie camera video1080p1080p@30fps
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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 ringtones-
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Earpiece-Yes
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Multimedia
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Radio FMFM 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 Band-Yes
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USBType-C 1.0 reversible connectorType-C 1.0 reversible connector
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYesYes (market dependent)
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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Beidou-Yes
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BDSYes-
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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 EmailPush Email-
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityAccelerometer, compass, fingerprint, gyroscope, proximity
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Browser
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HTMLYesHTML5
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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 chargingYesYes
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Cost
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Price-140 USD
