Apple Watch Series 6 40mm Cellular vs vivo X21i
Apple Watch Series 6 40mm Cellular
vivo X21i
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 1700(AWS), 1900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
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HSPA speed-HSPA
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LTE speed-LTE
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GPRS-Yes
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EDGE-Yes
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Availability
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Oficially announced2020-092018-5
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Status2020-092018-5
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Design
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BuildGlass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frameAluminium alloy, glass
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SIMeSIMHybrid Dual SIM (Nano-SIM, dual stand-by)
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Height40 mm154.4 mm
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Width34 mm75 mm
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Thickness10.4 mm7 mm
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Weight39.7 g159 g
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Waterproof50 m-
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ColorsGraphite, Gold, SilverAurora White, Black, Ruby Red
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Display
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Display typeRetina LTPO OLEDSuper AMOLED capacitive touchscreen
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Physical size1.57 inches6.28 inches
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Resolution394 x 324 pixels1080 x 2280 pixels
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Pixel density326 ppi402 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glass-
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Multitouch-Yes
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Display features1000 nits (peak), Always-on display-
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Hardware
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CPU-Octa-core
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CPUDual-coreQuad-core 2 GHz Cortex-A73
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CPU(second)quad-core 2 GHz Cortex-A53
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ChipsetApple S6Mediatek MT6771 Helio P60
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GPUPowerVRMali-G72 MP3
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Memory RAM1 GB4, 6 GB
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Internal storage32 GB64, 128 GB
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Memory cardNomicroSD(uses second SIM slot)
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Memory card max-256 GB
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OS
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OSwatchOS 7.0, upgradable to 7.1Android 8.1 (Oreo)
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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Earpiece-Yes
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Multimedia
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RadioNo-
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Radio FM-FM 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, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual BandYesYes
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USBNomicroUSB 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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NFCYes-
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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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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging Push Email-Push Email
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SensorsAccelerometer, always-on altimeter, barometer, compass, gyroscope, heart rate, SpO2, VO2maxFingerprint (rear-mounted), accelerometer, compass, proximity
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity266 mAh3425 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Wireless chargingYes-
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Standby time18 h-
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Cost
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Price850 USD-
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Main camera
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Camera type-Dual
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Main camera12 MP, f/1.8 , 1/2.5" , 1.4 µm
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5 MP, f/2.4
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Primary camera resolution-4032 x 3024 pixels
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Primary camera video-1080p@30fps
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Primary camera Autofocus-dual pixel phase detection autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera24 MP
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Selfie camera resolution-5632 x 4224 pixels
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Selfie camera video-1080p@30fps
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Browser
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HTML-HTML5
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