Apple Watch 44mm Series 4 Aluminum no LTE vs Plum Ram 9
Apple Watch 44mm Series 4 Aluminum no LTE
Plum Ram 9
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Network
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2G networkNoGSM 850, 900, 1800, 1900
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3G networkNoHSDPA 850, 900, 1900, 2100
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4G networkNoLTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2018-92020-02
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Status2018-92020-04
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Design
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BuildAluminum frame; all-ceramic/sapphire crystal back-
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SIMNoDual SIM (Nano-SIM, dual stand-by)
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Height44 mm133.4 mm
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Width38 mm64.4 mm
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Thickness10.7 mm15.8 mm
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Weight36.7 g109 g
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Waterproof50mIP68 (1.5m and 30 mins)
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Dust proof-IP68
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Flashlight-Yes
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ColorsGray, Gold, SilverBlack, Black/Orange
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Display
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Display typeLTPO AMOLEDTFT
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Physical size1.78 inches2.4 inches
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Resolution448 x 368 pixels240 x 320 pixels
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Pixel density326 ppi167 ppi
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Display colors16777216262144
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ProtectionIon-X strengthened glass-
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MultitouchYes-
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Display features3D Touch display, 1000 nits-
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Hardware
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CPUDual-coreDual-core
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ChipsetApple S4Mediatek MT6572M
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GPUPowerVR-
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Internal storage16 GB4 GB
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Memory RAM-512 MB
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Memory card-microSD, microSDHC, microSDXC
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OS
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OSwatchOS 5.0KaiOS
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Main camera
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Camera type-Single
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Primary cameraNo-
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Main camera5 MP
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Primary camera video-480p
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Primary camera flash-LED flash
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; Ringtones-
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Multimedia
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RadioNoFM Radio
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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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USBNomicroUSB 2.0
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Bluetoothv5.0v4.0
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Bluetooth A2DPYes-
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bluetooth LEYes-
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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GALILEOYes-
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QZSSYes-
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Features
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SensorsAccelerometer, barometer, gyro (second gen), heart rate-
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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 capacity-1700 mAh
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Battery removableNon-removableRemovable
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Standby time18 h-
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Selfie camera
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Selfie camera type-Single
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Selfie camera1.3 MP
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