Apple Watch Series 7 Aluminum 45mm vs Apple Watch Series 8 Aluminum 45mm
Apple Watch Series 7 Aluminum 45mm
Apple Watch Series 8 Aluminum 45mm
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Network
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2G networkN/AGSM 850, 900, 1800, 1900
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3G networkN/AHSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkN/ALTE frequency band 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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Availability
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Status2021-102022-09
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Oficially announced2021-092022-09
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Design
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BuildGlass front, ceramic/sapphire crystal back, aluminum frameGlass front, ceramic/sapphire crystal back, aluminum frame
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SIMNoeSIM
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Height45 mm45 mm
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Width38 mm38 mm
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Thickness10.7 mm10.7 mm
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Weight38.8 g38.8 g
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WaterproofIP6X (50m)IP6X (50m)
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Dust proofIP6XIP6X
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ColorsBlue, Green, Midnight, Red, StarlightMidnight, Red, Silver, Starlight
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Display
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Display typeRetina LTPO OLEDRetina LTPO OLED
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Physical size1.9 inches1.9 inches
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Resolution484 x 396 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 glassIon-X strengthened glass
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Display featuresAlways-on display, 1000 nits (peak)Always-on display
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Hardware
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CPUDual-coreDual-core
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ChipsetApple S7Apple S8
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GPUPowerVRPowerVR
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Internal storage32 GB32 GB
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Memory RAM-1 GB
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Memory card-No
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Storage-eMMC 5.1
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OS
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OSwatchOS 8.0, upgradable to 8.1watchOS 9.0
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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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Bluetoothv5.0v5.0
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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 capacity309 mAh-
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Battery removableNon-removableNon-removable
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Wireless chargingYes-
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Fast wireless charging-Yes
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SAR value
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SAR(head)0.35 W/kg-
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SAR EU(head)0.25 W/kg-
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SAR EU(body)0.03 W/kg-
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Cost
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Price500 USD430 USD
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