Apple Watch 40mm Series 4 vs Samsung Galaxy A20
Apple Watch 40mm Series 4
Samsung Galaxy A20
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA 850, 900, 1900, 2100
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4G networkLTELTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
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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, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-92019-3
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Status2018-92019-4
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Design
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BuildStainless Steel frame; all-ceramic/sapphire crystal backPlastic
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SIMElectronic SIM card (Apple e-SIM)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height40 mm158.4 mm
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Width34 mm74.7 mm
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Thickness10.7 mm7.8 mm
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Weight40 g169 g
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Waterproof50m-
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ColorsBlack, Gold, SilverBlack, Blue, Red
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Display
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Display typeLTPO AMOLEDSuper AMOLED capacitive touchscreen
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Physical size1.57 inches6.4 inches
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Resolution394 x 324 pixels720 x 1560 pixels
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Pixel density326 ppi268 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glass-
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MultitouchYesYes
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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-coreDual-core 1.6 GHz Cortex-A73
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CPU(second)Hexa-core 1.35 GHz Cortex-A53
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ChipsetApple S4Samsung Exynos 7 Octa 7884
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GPUPowerVRMali-G71
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Internal storage16 GB32 GB
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Memory RAM-3 GB
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Memory card-microSD, microSDHC, microSDXC
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Memory card max-512 GB
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OS
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OSwatchOS 5.0Android 9.0 Pie
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Main camera
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Camera type-Dual
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Primary cameraNo-
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Main camera13 MP, f/1.7
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5 MP, f/2.2
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBNomicroUSB 2.0
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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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GALILEOYes-
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Beidou-Yes
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QZSSYes-
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Features
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SensorsAccelerometer, barometer, gyro (second gen), heart rateAccelerometer, compass, fingerprint, 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 capacity270 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Talk time 2G-26 h
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Talk time 3G-26 h
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Standby time18 h-
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Selfie camera
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Selfie camera8 MP, f/2.0
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video-1080p@30fps
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