Samsung I929 Galaxy S II Duos vs ZTE Grand X Plus Z826
Samsung I929 Galaxy S II Duos
ZTE Grand X Plus Z826
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 1900, 2100
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HSPA speed-HSPA
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EV-DO speed3.1 Mbps-
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LTE speed-LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-122014-12
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Status2012-92014-12
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Micro-SIM
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Height129.8 mm144.6 mm
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Width68.9 mm73.9 mm
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Thickness9.7 mm9.6 mm
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Weight138 g150 g
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ColorsBlackBlack/Silver
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Display
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Display typeSuper AMOLED Plus capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.52 inches5.0 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density206 ppi294 ppi
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Display colors1677721616777216
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.2 GHz
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ChipsetQualcomm MSM8660 SnapdragonQualcomm MSM8926 Snapdragon 400
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GPUAdreno 220Adreno 305
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Memory RAM1 GB2 GB
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Internal storage16 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v2.3.5 (Gingerbread)Android OS, v4.4.x (KitKat)
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Main camera
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Main camera8 MP8 MP
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Primary camera resolution3264 x 2448 pixels3264 x 2448 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera features-Geo-tagging
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Selfie camera
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Selfie camera2 MP2 MP
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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 FMStereo FM radio with RDS-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv3.0v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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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 Email-Push Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Sensors-Accelerometer, proximity
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Browser
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HTMLYesHTML5
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh2300 mAh
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Talk time--
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Standby time--