Allview A4ALL vs Lenovo Tab 2 A7-20
Allview A4ALL
Lenovo Tab 2 A7-20
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Network
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2G networkGSM 900, 1800, 1900No
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3G networkHSDPA 900, 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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GPRSYesNo
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EDGEYesNo
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Availability
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Oficially announced2013-42015-1
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Status2013-42015-1
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Design
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SIMDual SIM (dual stand-by)No
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Height115 mm189 mm
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Width62 mm105 mm
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Thickness12.2 mm9.3 mm
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Weight122.7 g269 g
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ColorsVariousBlack
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size3.5 inches7.0 inches
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Resolution320 x 480 pixels600 x 1024 pixels
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Pixel density165 ppi170 ppi
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Display colors-16777216
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Multitouch-Yes, max 5 fingers
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Hardware
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CPU1 GHz ARM Cortex-A91.3 GHz ARM Cortex-A7 Quad-core
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Chipset-Mediatek MT8127
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GPUPowerVR SGX531Mali-450MP4
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Memory RAM256 MB1 GB
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Internal storage512 MB8, 16 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v2.3.6 (Gingerbread)Android OS, v4.4 (KitKat)
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Main camera
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Main camera2 MP2 MP
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Primary camera resolution1600 x 1200 pixels-
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Primary camera video480p@25fpsvideo
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Selfie camera
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Secondary cameraVGA cameraVGA camera
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM Radio with RDS-
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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 HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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Messaging Push Mail-Push Mail
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh3450 mAh
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Battery removable-Non-removable
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Talk time5 h8 h
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Standby time200 h432 h
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