Apple Watch 40mm Series 4 Aluminum No LTE vs vivo Y51 2020
Apple Watch 40mm Series 4 Aluminum No LTE
vivo Y51 2020
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Network
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2G networkNoGSM 850, 900, 1800, 1900
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3G networkNoHSDPA 850, 900, 2100
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4G networkNoLTE frequency band 1, 3, 5, 8, 40
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE-A, 630 Mbps download, 150 Mbps upload
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2018-92020-09
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Status2018-92020-09
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Design
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BuildAluminum frame; all-ceramic/sapphire crystal back-
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SIMNoHybrid Dual SIM (Nano-SIM, dual stand-by)
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Height40 mm159.3 mm
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Width34 mm75.2 mm
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Thickness10.7 mm8.7 mm
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Weight30 g186.7 g
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Waterproof50m-
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ColorsGray, Gold, SilverBlack, Blue, White
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Display
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Display typeLTPO AMOLEDSuper AMOLED
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Physical size1.57 inches6.38 inches
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Resolution394 x 324 pixels1080 x 2340 pixels
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Pixel density326 ppi404 ppi
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Display colors1677721616777216
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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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CPU-Octa-core
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CPUDual-coreQuad-core 2.0 GHz Kryo 260 Gold
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CPU(second)quad-core 1.8 GHz Kryo 260 Silver
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ChipsetApple S4Qualcomm SDM665 Snapdragon 665
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GPUPowerVRAdreno 610
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Internal storage16 GB128 GB
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Memory RAM-4 GB
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Memory card-microSD, microSDHC, microSDXC
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OS
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OSwatchOS 5.0Android 10, Funtouch 10
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Main camera
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Camera type-Quad
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Primary cameraNo-
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Main camera(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm
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(ultrawide) , 2 MP, f/2.2 , 1/4.0" , 1.12 µm
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(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera video-1080p@30fps, gyro-EIS
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Primary camera flash-LED flash
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Camera features-HDR, Panorama
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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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Earpiece-Yes
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBNoType-C 2.0
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USB On-The-Go-Yes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYesNo
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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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BDS-Yes
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QZSSYes-
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Features
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SensorsAccelerometer, barometer, gyro (second gen), heart rateAccelerometer, compass, fingerprint, gyroscope, proximity
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Browser
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HTMLNoHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity-4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge
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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 camera(wide) , 16 MP, f/2.0 , 1/3.06" , 1.0 µm
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Selfie camera features-HDR
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Selfie camera video-1080p@30fps
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Cost
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Price-210 USD
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