Apple Watch Series 2 42mm vs Celkon A9 Dual
Apple Watch Series 2 42mm
Celkon A9 Dual
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Network
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2G networkN/AGSM 900, 1800
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2016-92014-12
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Status-
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Design
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BuildStainless Steel/Ceramic back-
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SIMNoDual SIM
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Height42.5 mm120.5 mm
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Width36.4 mm63.9 mm
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Thickness11.4 mm10.6 mm
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Weight52.4 g116 g
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Waterproof50m-
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ColorsSport band: silver case/white, black case/black; Leather band: silver case/blue, brown, orange; Stainless Steel band: silver case/silver, black case/blackBlack, White
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Display
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Display typeAMOLED capacitive touchscreenTFT capacitive touchscreen
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Physical size1.65 inches3.5 inches
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Resolution390 x 312 pixels320 x 480 pixels
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Pixel density303 ppi165 ppi
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Display colors16777216-
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ProtectionSapphire crystal glass-
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MultitouchYes-
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Hardware
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CPUDual-coreDual-core 1 GHz
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ChipsetApple S2-
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Memory RAM-256 MB
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Internal storage-512 MB
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Memory cardNomicroSD
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Memory card max-32 GB
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OS
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OSwatchOS 3.0Android OS, v4.2.2 (Jelly Bean)
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; RingtonesVibration, Polyphonic, MP3 ringtones
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0
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Bluetoothv4.0Yes
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Bluetooth A2DPYes-
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NFCYes-
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GPSYesYes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push MailPush Mail-
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JavaNoNo
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SensorsAccelerometer, gyro, heart rate-
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Browser
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HTML-Yes
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1350 mAh
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Battery removableNon-removable-
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Talk time-3 h 20 min
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Standby time-240 h
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Main camera
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Main camera2 MP
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Primary camera resolution-1600 x 1200 pixels
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Primary camera video-video
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Selfie camera
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Secondary camera-VGA camera
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