BLU Touch Book 7.0 Plus vs Nokia Lumia 638
BLU Touch Book 7.0 Plus
Nokia Lumia 638
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1900, 2100HSDPA 850, 900, 1900, 2100
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HSDPA speedHSDPA, 7.2 Mbps42.2 Mbps
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HSUPA speedHSUPA, 5.76 Mbps5.76 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 announced2012-92014-12
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Status2012-102014-12
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Design
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SIMMini-SIMMicro-SIM
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Height197 mm129.5 mm
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Width120 mm66.7 mm
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Thickness13 mm9.2 mm
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Weight388 g136 g
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.0 inches4.5 inches
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Resolution480 x 800 pixels480 x 854 pixels
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Pixel density133 ppi218 ppi
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Display colors1677721616777216
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Hardware
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CPU1 GHz ARM Cortex-A51.2 GHz ARM Cortex-A7 Quad-core
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ChipsetQualcomm MSM7227A SnapdragonQualcomm Snapdragon 400
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GPUAdreno 200Adreno 305
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Memory ROM512 MB-
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Memory RAM512 MB1 GB
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Internal storage-8 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB128 GB
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OS
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OSAndroid OS, v4.0 (Ice Cream Sandwich)Microsoft Windows Phone 8.1
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Main camera
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera video480p@30fpsvideo
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Primary camera Autofocus-autofocus
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Camera features-1/4'' sensor size, geo-tagging, panorama
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Selfie camera
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Secondary cameraVGA cameraNo
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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 FMStereo FM radioFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Dual BandYes-
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WLAN DLNA-Yes
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USBYesmicroUSB 2.0
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Bluetoothv3.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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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 EmailPush Email
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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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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3500 mAh1830 mAh
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Battery removableNon-removable-
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Talk time--
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Talk time 2G35 h-
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Talk time 3G25 h-
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Standby time--
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Standby time 2G1100 h-
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Standby time 3G1000 h-