Samsung Galaxy J2 (2017) vs Xiaomi Mi Watch (China)
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Samsung Galaxy J2 (2017)
Xiaomi Mi Watch (China)
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1900
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 8(900), 20(800), 40(2300)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSYes-
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EDGEYes-
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Availability
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Oficially announced2017-102019-11
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Status2017-102019-11
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)eSIM
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Height136.5 mm44.7 mm
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Width69 mm36.9 mm
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Thickness8.4 mm12.3 mm
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Weight130 g44 / 56 g
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ColorsBlack, GoldBlack, Silver
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Display
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Display typeSuper AMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size4.7 inches1.78 inches
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Resolution540 x 960 pixels368 x 448 pixels
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Pixel density234 ppi326 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 1.2 GHz Cortex-A7
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ChipsetExynos 3475 QuadQualcomm Snapdragon Wear 3100
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GPUMali-T720Adreno 304
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Memory RAM1 GB1 GB
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Internal storage8 GB8 GB
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Memory cardmicroSDNo
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Memory card max256 GB-
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OS
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OSAndroid 7.0 (Nougat)Proprietary wearable platform
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Main camera
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Main camera5 MP, f/2.2
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Primary camera video720p@30fps-
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera featuresGeo-tagging, face detection, touch focus-
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Selfie camera
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Selfie camera2 MP, f/2.2
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; 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 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0No
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USB On-The-GoYes-
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Bluetoothv4.1v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BDS-Yes
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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 MailPush Mail-
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JavaNo-
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SensorsAccelerometer, proximityAccelerometer, barometer, gyro, heart rate
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2000 mAh570 / 590 mAh
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Battery removableRemovableNon-removable
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Wireless charging-Yes
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Talk time 3G12 h-
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Cost
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Price-170 USD
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