Samsung Galaxy A8 Duos vs vivo X9s
Samsung Galaxy A8 Duos
vivo X9s
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA
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4G network-LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
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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 speedLTE, Cat6, 300 Mbps download, 50 Mbps upload-
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LTE-A speed-LTE-A, (2CA) Cat6, 300 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 announced2015-82017-7
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Status2015-82017-7
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Design
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height158 mm152.6 mm
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Width76.8 mm74 mm
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Thickness5.9 mm7 mm
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Weight151 g154 g
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ColorsChampagne Gold, Midnight Black, Pearl WhiteBlack, Gold, Rose Gold
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Display
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Display typeSuper AMOLED capacitive touchscreenAMOLED capacitive touchscreen
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Physical size5.7 inches5.5 inches
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Resolution1080 x 1920 pixels1080 x 1920 pixels
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Pixel density386 ppi401 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.8 GHz ARM Cortex-A53Quad-core 1.8 GHz Cortex-A72
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CPU(second)quad-core 1.3 GHz ARM Cortex-A53quad-core 1.2 GHz Cortex-A53
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ChipsetQualcomm MSM8939 Snapdragon 615Qualcomm MSM8976 Snapdragon 652
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GPUAdreno 405Adreno 510
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Memory RAM2 GB4 GB
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Internal storage32 GB64 GB
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Memory cardmicroSD
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Memory card max128 GB-
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OS
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OSAndroid OS, v5.1 (Lollipop)Android 7.1 (Nougat)
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Main camera
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Main camera16 MP16 MP
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Primary camera resolution5312 x 2988 pixels-
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocusphase detection autofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focus1/2.8" sensor size, HDR, face detection, geo-tagging, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera type-Dual
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Selfie camera5 MP20 MP
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5 MP
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Selfie camera video1080p-
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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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Radio-No
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Radio FMFM radio with RDS-
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Radio recordingrecording-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB host-Yes
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Bluetoothv4.1v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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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GPS NavigatorBeidou-
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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 IMIM-
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Messaging Push EmailPush MailPush Email
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JavaNoNo
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SensorsAccelerometer, compass, proximityFingerprint (front-mounted), accelerometer, compass, proximity
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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 capacity3050 mAh3320 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time 3G17 h-
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Standby time--
