Acer Iconia B1-721 vs verykool SL5011 Spark LTE
Acer Iconia B1-721
verykool SL5011 Spark LTE
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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, 1700(AWS), 1900
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HSDPA speedHSDPA42.2 Mbps
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HSUPA speedHSUPA11.5 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-12016-2
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Status2014-12016-2
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Design
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SIMYesOptional Dual SIM (Micro-SIM, dual stand-by)
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Height199 mm143 mm
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Width122.3 mm71.1 mm
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Thickness11.4 mm7.5 mm
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Weight323 g153 g
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ColorsBlack/RedBlack/Silver, White/Gold
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.0 inches5.0 inches
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Resolution600 x 1024 pixels720 x 1280 pixels
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Pixel density170 ppi294 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzQuad-core 1.0 GHz ARM Cortex-A53
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ChipsetMediatek MT8312Mediatek MT6735P
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GPUMali-400Mali-T720MP2
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Internal storage16 GB16 GB
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Memory RAM1 GB1 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB64 GB
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OS
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OSAndroid OS, v4.2 (Jelly Bean)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera13 MP, f/2.2
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Primary camera resolution640 x 480 pixels-
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Primary camera videovideo720p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-dual-LED flash
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Camera features-1.12 µm pixel size, 1/4" sensor size, face detection, geo-tagging, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Secondary cameraNo-
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Selfie camera8 MP, f/2.8 , 1/4" , 1.4 µm
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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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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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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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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 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, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity2955 mAh2200 mAh
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Battery removable-Non-removable
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Talk time--
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Talk time 3G-8 h
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Standby time--
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Standby time 3G-264 h
