Apple Watch Series 2 38mm vs Lenovo Tab 2 A7-20
Apple Watch Series 2 38mm
Lenovo Tab 2 A7-20
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Network
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2G networkN/ANo
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GPRSNoNo
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EDGENoNo
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Availability
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Oficially announced2016-92015-1
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Status-2015-1
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Design
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BuildStainless Steel/Ceramic back-
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SIMNoNo
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Height38.6 mm189 mm
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Width33.3 mm105 mm
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Thickness11.4 mm9.3 mm
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Weight41.9 g269 g
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Waterproof50m-
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ColorsSport band: silver case/white, black case/black; Leather band: silver case/blue, brown, gray, red; Stainless Steel band: silver case/silver, black case/blackBlack
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size1.5 inches7.0 inches
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Resolution340 x 272 pixels600 x 1024 pixels
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Pixel density290 ppi170 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glass-
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MultitouchYesYes, max 5 fingers
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Hardware
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CPUDual-coreQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetApple S2Mediatek MT8127
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GPU-Mali-450MP4
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Internal storage-8, 16 GB
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Memory RAM-1 GB
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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, v4.4 (KitKat)
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; RingtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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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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USBNomicroUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYes-
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NFCYes-
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GPSYesYes, with A-GPS
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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 MailPush Mail
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JavaNoNo
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SensorsAccelerometer, gyro, heart rateAccelerometer
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Browser
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HTML-HTML5
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-3450 mAh
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Battery removableNon-removableNon-removable
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Talk time-8 h
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Standby time-432 h
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Main camera
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Main camera2 MP
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Primary camera video-video
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Selfie camera
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Secondary camera-VGA camera