BLU Touch Book 7.0 vs LG Viper 4G LTE LS840
BLU Touch Book 7.0
LG Viper 4G LTE LS840
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPA 850, 1900, 2100CDMA2000 1xEV-DO
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4G network-LTE 1900
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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EV-DO speed-3.1 Mbps
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LTE speed-LTE
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2011-82012-1
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Status2011-122012-4
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Design
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SIMMini-SIMMini-SIM
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Height197 mm117 mm
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Width120 mm62 mm
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Thickness13.2 mm11.7 mm
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Weight382 g142 g
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size7.0 inches4.0 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density133 ppi233 ppi
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Display colors-16777216
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Hardware
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CPU800 MHz1.2 GHz Dual-core
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ChipsetQualcomm MSM7227-T-
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GPU-Adreno 220
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Memory ROM512 MB-
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Memory RAM512 MB1 GB
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Internal storage-4 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Memory card included-4 GB
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OS
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OSAndroid OS, v2.2 (Froyo)Android OS, v2.3 (Gingerbread)
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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 videovideo1080p
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraVGA cameraVGA camera
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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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Radio-No
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Radio FMStereo FM radio-
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Connectivity
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WLANWi-FiWi-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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WLAN DLNA-Yes
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USBYesmicroUSB 2.0
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Bluetoothv2.1v3.0
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Bluetooth A2DPYesYes
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GPSYesYes, with A-GPS
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Features
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Messaging SMSSMSSMS(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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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Browser
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HTML-Yes
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Adobe FlashYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4250 mAh1700 mAh
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Battery removableNon-removable-
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Talk time12 h7 h
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Standby time500 h-