Xiaomi Redmi S2 (Redmi Y2) vs Samsung Galaxy J7 Duo
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Xiaomi Redmi S2 (Redmi Y2)
Samsung Galaxy J7 Duo
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA - ChinaGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Global; LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - ChinaLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
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HSPA speedHSPA-
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LTE speedLTELTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2018-52018-4
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Oficially announced2018-52018-4
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Design
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BuildFront glass, plastic bodyMetal
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
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Height160.7 mm153.5 mm
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Width77.3 mm77.2 mm
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Thickness8.1 mm8.2 mm
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Weight170 g174 g
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ColorsGold, Gray, Rose GoldBlack, Gold, Rose Gold, White
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.99 inches5.5 inches
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Resolution720 x 1440 pixels720 x 1280 pixels
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Pixel density269 ppi267 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.0 GHz ARM Cortex-A53Dual-core 2.2 GHz Cortex-A73
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CPU(second)Hexa-core 1.6 GHz Cortex-A53
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ChipsetQualcomm MSM8953 Snapdragon 625Exynos 7885 Octa
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GPUAdreno 506Mali-G71
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Memory RAM3, 4 GB4 GB
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Internal storage32, 64 GB32 GB
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Memory cardmicroSDmicroSD
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Memory card max256 GB256 GB
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OS
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OSAndroid 8.1 (Oreo)Android 8.0 (Oreo)
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Main camera
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Camera typeDualDual
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Main camera12 MP, f/2.2 , 1.25 µm13 MP, f/1.9
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5 MP5 MP, f/1.9
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Primary camera resolution4000 x 3000 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusphase detection autofocusautofocus
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Primary camera flashLED flashLED 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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FlashLED flashLED flash
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Selfie camera16 MP8 MP, f/1.9
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Selfie camera resolution4608 x 3456 pixels3264 x 2448 pixels
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Secondary camera HDRHDR-
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Selfie camera video-720p@30fps
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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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EarpieceYesYes
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-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 Band-Yes
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USBmicroUSB 2.0Yes
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Bluetoothv4.2v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYes-
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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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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityFingerprint (front-mounted), accelerometer, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3080 mAh3000 mAh
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Battery removableNon-removableRemovable
