Acer Iconia B1-721 vs Plum Caliber II
Acer Iconia B1-721
Plum Caliber II
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA 850, 2100
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HSDPA speedHSDPAHSDPA, 7.2 Mbps
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HSUPA speedHSUPAHSUPA, 5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-12013-2
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Status2014-12013-4
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Design
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SIMYesDual SIM
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Height199 mm116 mm
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Width122.3 mm51.6 mm
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Thickness11.4 mm13.5 mm
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Weight323 g125 g
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ColorsBlack/RedBlack, White
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size7.0 inches2.4 inches
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Resolution600 x 1024 pixels320 x 240 pixels
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Pixel density170 ppi167 ppi
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Display colors-262144
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Hardware
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CPUDual-core 1.3 GHz650 MHz
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ChipsetMediatek MT8312Mediatek MT6276
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GPUMali-400-
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Memory RAM1 GB512 MB
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Internal storage16 GB1 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, v4.2 (Jelly Bean)-
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsN/AVibration, MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g
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USBmicroUSB 2.0
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BluetoothYesv4.0
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GPSYesYes, with A-GPS
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Features
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Messaging SMS-SMS
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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 EmailPush Email-
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JavaYes, via Java MIDP emulatorYes
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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 capacity2955 mAh1500 mAh
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Talk time-7 h
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Standby time-250 h
