Apple Watch 40mm Series 4 Aluminum No LTE vs Lenovo Tab 2 A7-20
Apple Watch 40mm Series 4 Aluminum No LTE
Lenovo Tab 2 A7-20
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Network
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2G networkNoNo
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3G networkNo-
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4G networkNo-
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GPRSNoNo
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EDGENoNo
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Availability
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Oficially announced2018-92015-1
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Status2018-92015-1
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Design
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BuildAluminum frame; all-ceramic/sapphire crystal back-
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SIMNoNo
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Height40 mm189 mm
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Width34 mm105 mm
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Thickness10.7 mm9.3 mm
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Weight30 g269 g
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Waterproof50m-
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ColorsGray, Gold, SilverBlack
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Display
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Display typeLTPO AMOLEDIPS LCD capacitive touchscreen
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Physical size1.57 inches7.0 inches
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Resolution394 x 324 pixels600 x 1024 pixels
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Pixel density326 ppi170 ppi
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Display colors1677721616777216
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ProtectionIon-X strengthened glass-
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MultitouchYesYes, max 5 fingers
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Display features3D Touch display, 1000 nits-
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Hardware
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CPUDual-coreQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetApple S4Mediatek MT8127
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GPUPowerVRMali-450MP4
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Internal storage16 GB8, 16 GB
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Memory RAM-1 GB
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Memory card-microSD
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Memory card max-32 GB
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OS
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OSwatchOS 5.0Android OS, v4.4 (KitKat)
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Main camera
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Primary cameraNo-
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Main camera2 MP
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Primary camera video-video
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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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Bluetoothv5.0v4.0
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Bluetooth A2DPYes-
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bluetooth LEYes-
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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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 IM-IM
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Messaging Push Mail-Push Mail
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Java-No
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SensorsAccelerometer, barometer, gyro (second gen), heart rateAccelerometer
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Browser
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HTMLNoHTML5
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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 time18 h432 h
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Selfie camera
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Secondary camera-VGA camera
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