Apple Watch Series 7 Aluminum 41mm Cellular vs Apple Watch Series 9 45mm
Apple Watch Series 7 Aluminum 41mm Cellular
Apple Watch Series 9 45mm
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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, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66LTE frequency band 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66
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Availability
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Oficially announced2021-092023-09
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Status2021-102023-09
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Design
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BuildGlass front, ceramic/sapphire crystal back, aluminum frameGlass front, ceramic/sapphire crystal back, stainless steel frame
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SIMeSIMeSIM
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Height41 mm45 mm
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Width35 mm38 mm
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Thickness10.7 mm10.7 mm
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Weight32 g51.5 g
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WaterproofIP6X (50m)IP6X (50m)
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Dust proofIP6XIP6X
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ColorsBlue, Green, Midnight, Red, StarlightGraphite, Gold, Silver
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Display
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Display typeRetina LTPO OLEDRetina LTPO OLED
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Physical size1.69 inches1.9 inches
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Resolution430 x 352 pixels484 x 396 pixels
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Pixel density326 ppi326 ppi
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Display colors-16777216
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ProtectionIon-X strengthened glassSapphire crystal glass
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Display featuresAlways-on display, 1000 nits (peak)Always-on display, 2000 nits (peak)
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Hardware
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CPUDual-coreDual-core
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ChipsetApple S7Apple S9
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GPUPowerVRPowerVR
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Internal storage32 GB64 GB
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Memory card-No
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OS
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OSwatchOS 8.0, upgradable to 8.1watchOS 10
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Main camera
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Primary cameraNo-
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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 BandYesYes
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USBNoNo
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Bluetoothv5.0v5.3
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Bluetooth A2DPA2DPYes
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bluetooth LELEYes
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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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, gyro, heart rate, SpO2, VO2maxAccelerometer, always-on altimeter, barometer, compass, gyroscope, heart rate, SpO2, temperature (body), VO2max
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Browser
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HTMLNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity284 mAh308 mAh
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Battery removableNon-removableNon-removable
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Wireless chargingYes-
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Fast wireless charging-Yes (80% in 45 min)
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SAR value
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SAR(head)1.10 W/kg1.02 W/kg
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SAR EU(head)0.70 W/kg0.64 W/kg
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SAR EU(body)1.50 W/kg-
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Cost
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Price500 USD900 USD
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