Xiaomi Redmi Watch 4 vs Xiaomi Watch S1
Xiaomi Redmi Watch 4
Xiaomi Watch S1
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Network
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2G networkN/AN/A
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3G networkN/AN/A
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4G networkN/AN/A
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Availability
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Status2023-122021-12
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Oficially announced2023-122021-12
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Design
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BuildPlastic back, plastic frameSapphire crystal front, stainless steel frame, plastic back
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SIMNoNo
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Height47.6 mm46.5 mm
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Width41.1 mm46.5 mm
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Thickness10.5 mm11 mm
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Weight31.5 g-
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Waterproof5ATM (up to 50 meters)5ATM
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ColorsBlack, WhiteBlack, Silver
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Display
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Display typeAMOLEDAMOLED
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Physical size1.97 inches1.43 inches
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Resolution450 x 390 pixels466 x 466 pixels
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Pixel density302 ppi326 ppi
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Display featuresAlways-on display-
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Hardware
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Memory cardNoNo
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OS
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OSHyperOSProprietary OS
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Sound
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3.5mm jackNoNo
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LoudspeakerNoYes
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Multimedia
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RadioNoNo
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Connectivity
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WLANNoWi-Fi 802.11b, 802.11g, 802.11n
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USBNoNo
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Bluetoothv5.3v5.0
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Bluetooth A2DPYesA2DP
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bluetooth LEYesLE
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NFCYes (market dependent)Yes
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GPSYes, with A-GPSYes, with dual-band
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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QZSSYesYes
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Features
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SensorsAccelerometer, compass, heart rate, gyroscope, SpO2Accelerometer, barometer, compass, gyro, heart rate, SpO2
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity470 mAh470 mAh
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Battery removableNon-removableNon-removable
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Wireless charging-Yes
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Cost
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Price75 USD170 USD
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