Samsung Galaxy A8 Star (A9 Star) vs Samsung Z2
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Samsung Galaxy A8 Star (A9 Star)
Samsung Z2
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 900, 1800
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 900, 2100
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4G networkLTELTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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LTE-A speedLTE-A, (3CA) Cat9, 450 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-62016-8
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Status20182016-8
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Design
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BuildPolycarbonate-
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height162.4 mm121.5 mm
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Width77 mm63 mm
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Thickness7.6 mm10.8 mm
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Weight191 g127 g
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PaymentSamsung Pay-
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ColorsBlack, WhiteBlack, Gold, Red
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Display
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Display typeSuper AMOLED capacitive touchscreenTFT capacitive touchscreen
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Physical size6.3 inches4.0 inches
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Resolution1080 x 2220 pixels480 x 800 pixels
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Pixel density392 ppi233 ppi
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Display colors16777216262144
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Protection2.5D curved glass screen-
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.2 GHz Kryo 260Quad-core 1.5 GHz Cortex-A7 ARM
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CPU(second)quad-core 1.8 GHz Kryo 260
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ChipsetQualcomm SDM660 Snapdragon 660Spreadtrum SC9830
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GPUAdreno 512Mali-400MP2
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Memory RAM4 GB1 GB
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Internal storage64 GB8 GB
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Memory cardmicroSD(uses second SIM slot)microSD
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Memory card max400 GB200 GB
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OS
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OSAndroid 8.0 (Oreo)Tizen OS, v2.4
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Main camera
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Camera typeDual-
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Main camera24 MP, f/1.75 MP, f/2.2
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16 MP, f/1.7
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Primary camera resolution4608 x 3456 pixels-
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Primary camera video2160p@30fps, 1080p@30fps720p@30fps
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Primary camera Autofocusphase detection autofocus-
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusYes
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Selfie camera
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Selfie camera24 MP, f/2.0f/2.4
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Selfie camera resolution5632 x 4224 pixels-
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Selfie camera video1080pVGA
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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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EarpieceYes-
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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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WLAN WiFi Dual BandYes-
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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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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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BDSYes-
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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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Java-No
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityAccelerometer
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3700 mAh1500 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingYes-
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Talk time 3G-8 h
