NIU Niutek 3.5B vs Samsung Gear S2
NIU Niutek 3.5B
Samsung Gear S2
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G network-HSDPA 900, 2100
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HSPA speed-HSPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2013-72015-10
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Oficially announced2013-32015-8
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Design
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SIMDual SIM (Mini-SIM)Electronic SIM card (e-SIM)
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Height113.6 mm51.8 mm
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Width62 mm44 mm
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Thickness13.8 mm13.4 mm
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Weight92 g51 g
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ColorsBlack, WhiteDark Gray, Silver
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Display
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Display typeTFT capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size3.5 inches1.2 inches
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Resolution320 x 480 pixels360 x 360 pixels
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Pixel density165 ppi302 ppi
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Display colors1677721616777216
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Hardware
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CPU1 GHz ARM Cortex-A51 GHz Dual-core
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ChipsetSpreadtrum SC6820Qualcomm MSM8x26
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GPUMali-400-
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Memory ROM512 MB-
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Memory RAM256 MB512 MB
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Internal storage-4 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v2.3 (Gingerbread)Tizen-based wearable platform
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Main camera
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Main camera3.15 MP
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Primary camera resolution2048 x 1536 pixels-
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Primary camera video@30fps-
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Selfie camera
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Secondary cameraNo-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMStereo FM radio-
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Radio recordingFM recording-
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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 HotspotYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0
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Bluetoothv3.0v4.1
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Bluetooth A2DP-Yes
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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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WAPWAP 2.0/xHTML-
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, barometer, gyro, heart rate
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Browser
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HTMLYes-
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Browser-No
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1300 mAh300 mAh
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Battery removable-Non-removable
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Talk time17 h-
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Standby time850 h-
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Standby time 3G-48 h
