Apple Watch Series 9 45mm vs Xiaomi Watch S2 42mm
Apple Watch Series 9 45mm
Xiaomi Watch S2 42mm
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Network
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2G networkGSM 850, 900, 1800, 1900N/A
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100N/A
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4G networkLTE frequency band 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66N/A
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GPRS-No
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EDGE-No
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Availability
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Oficially announced2023-092022-12
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Status2023-092022-12
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Design
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BuildGlass front, ceramic/sapphire crystal back, stainless steel frameSapphire crystal front, stainless steel frame
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SIMeSIMNo
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Height45 mm42.3 mm
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Width38 mm42.3 mm
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Thickness10.7 mm10.2 mm
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Weight51.5 g-
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WaterproofIP6X (50m)5ATM
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Dust proofIP6X-
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ColorsGraphite, Gold, SilverBlack, Gold
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Display
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Display typeRetina LTPO OLEDAMOLED
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Physical size1.9 inches1.32 inches
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Resolution484 x 396 pixels466 x 466 pixels
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Pixel density326 ppi326 ppi
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Display colors16777216-
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ProtectionSapphire crystal glass-
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Display featuresAlways-on display, 2000 nits (peak)-
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Hardware
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CPUDual-core
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ChipsetApple S9-
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GPUPowerVR-
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Internal storage64 GB-
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Memory cardNoNo
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OS
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OSwatchOS 10Proprietary OS
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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Multimedia
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RadioNoNo
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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 Dual BandYes-
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USBNoNo
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Bluetoothv5.3v5.2
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Bluetooth A2DPYesA2DP
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bluetooth LEYesLE
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NFCYesYes
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GPSYes, with A-GPSYes
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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, always-on altimeter, barometer, compass, gyroscope, heart rate, SpO2, temperature (body), VO2maxAccelerometer, barometer, compass, gyro, heart rate, SpO2, thermometer (skin temperature), body composition
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity308 mAh305 mAh
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Battery removableNon-removableNon-removable
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Wireless charging-Yes
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Fast wireless chargingYes (80% in 45 min)-
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SAR value
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SAR(head)1.02 W/kg-
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SAR EU(head)0.64 W/kg-
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Cost
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Price900 USD130 USD
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