Apple Watch 40mm Series 4 vs Realme Narzo 20A
Apple Watch 40mm Series 4
Realme Narzo 20A
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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, 2100
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4G networkLTELTE frequency band 1, 3, 5, 8, 38, 40, 41
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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
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GPRSYesYes
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EDGEYesYes
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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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BuildStainless Steel frame; all-ceramic/sapphire crystal backPlastic
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SIMElectronic SIM card (Apple e-SIM)Dual SIM (Nano-SIM, dual stand-by)
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Height40 mm164.5 mm
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Width34 mm75.4 mm
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Thickness10.7 mm8.9 mm
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Weight40 g195 g
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Waterproof50m-
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ColorsBlack, Gold, SilverBlue, Silver
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Display
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Display typeLTPO AMOLEDIPS LCD
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Physical size1.57 inches6.5 inches
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Resolution394 x 324 pixels720 x 1600 pixels
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Pixel density326 ppi270 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glassScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
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MultitouchYes-
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Display features3D Touch display, 1000 nits450 nits (typ)
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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 GB32, 64 GB
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Memory RAM-3, 4 GB
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Memory card-microSD, microSDHC, microSDXC
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Memory card max-256 GB
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Storage-eMMC 5.1
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OS
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OSwatchOS 5.0Android 10, Realme UI 1.0
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Main camera
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Camera type-Triple
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Primary cameraNo-
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Main camera(wide) , 12 MP, f/1.8 , 28 mm, 1/2.8" , 1.25 µm
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(depth) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution-4032 x 3024 pixels
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Primary camera video-4K@30fps, 1080p@30fps, 480p@120fps
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Primary camera flash-LED flash
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Camera features-Autofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus
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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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USB On-The-Go-Yes
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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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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GLONASSYesYes
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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 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 mAh5000 mAh
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Battery removableNon-removableNon-removable
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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) , 8 MP, f/2.0 , 79˚ , 26 mm, 1/4" , 1.12 µm
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera features-Face unlock, HDR
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Selfie camera video-1080p@30fps
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Tests and performance
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Antutu-170500 (v8)
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Geekbench(single-core)-343 (v5.2)
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Geekbench(multi-core)-1322 (v5.2)
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SAR value
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SAR(head)-1.18 W/kg
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SAR(body)-0.63 W/kg
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Cost
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Price-130 USD
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