Acer Iconia Tab B1-A71 vs Samsung R640 Character
Acer Iconia Tab B1-A71
Samsung R640 Character
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Network
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2G networkCDMA 800, 1900
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3G network-CDMA2000 1x
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Speed Yes-Yes
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GPRS
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EDGE
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Availability
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Oficially announced2013-12011-7
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Status2013-12011-7
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Design
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SIMNoMini-SIM
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Height197.4 mm107 mm
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Width128.5 mm55 mm
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Thickness11.3 mm15 mm
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Weight320 g120 g
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Keyboard-QWERTY
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ColorsBlackElectric Blue
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Display
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Display typeTFT capacitive touchscreenTFT touchscreen
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Physical size7.0 inches2.8 inches
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Resolution600 x 1024 pixels-
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Pixel density170 ppi-
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Display colors262144262144
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Hardware
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CPUDual-core 1.2 GHz ARM Cortex-A9
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ChipsetMediatek MT8317-
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GPUSGX531u-
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Memory RAM512 MB-
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Internal storage8, 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, v4.1 (Jelly Bean)-
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Main camera
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Main camera1.3 MP
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Primary camera resolution640 x 480 pixels1280 x 1024 pixels
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Primary camera videovideono
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsN/AVibration; MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v2.1
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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GPSYesNo
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Features
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Messaging SMS-SMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2710 mAh1000 mAh
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Battery removableNon-removable-
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Talk time-5 h
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Standby time-288 h
