Acer Iconia B1-721 vs Samsung Galaxy Appeal I827
Acer Iconia B1-721
Samsung Galaxy Appeal I827
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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, 1900, 2100
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HSDPA speedHSDPAHSDPA
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HSUPA speedHSUPAHSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-12012-5
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Status2014-12012-6
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Design
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SIMYesMini-SIM
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Height199 mm112 mm
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Width122.3 mm57.7 mm
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Thickness11.4 mm14.2 mm
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Weight323 g114.2 g
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Keyboard-QWERTY
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ColorsBlack/RedSilver
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Display
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Display typeTFT capacitive touchscreenCapacitive touchscreen
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Physical size7.0 inches3.2 inches
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Resolution600 x 1024 pixels320 x 480 pixels
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Pixel density170 ppi180 ppi
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Hardware
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CPUDual-core 1.3 GHz800 MHz ARM Cortex-A5
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ChipsetMediatek MT8312Qualcomm MSM7225A Snapdragon
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GPUMali-400Adreno 200
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Memory ROM-1.8 GB
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Memory RAM1 GB512 MB
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Internal storage16 GB4 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)Android OS, v2.3 (Gingerbread)
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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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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, WAV 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, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesYes
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GPSYesYes, with A-GPS
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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 EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Mail
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLHTML5Yes
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Adobe Flash-Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2955 mAh1300 mAh
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Talk time-7 h
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Standby time-300 h
