Samsung R640 Character vs Yezz Epic T7
Samsung R640 Character
Yezz Epic T7
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Network
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2G networkCDMA 800, 1900
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3G networkCDMA2000 1x-
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Speed YesYes-
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GPRS
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EDGE
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Availability
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Oficially announced2011-72013-3
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Status2011-72013-4
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Design
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SIMMini-SIMNo
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Height107 mm177.8 mm
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Width55 mm121.4 mm
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Thickness15 mm10.2 mm
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Weight120 g293 g
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KeyboardQWERTY-
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ColorsElectric BlueBlack, Blue, Dark Gray, Green, Orange
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Display
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Display typeTFT touchscreenTFT capacitive touchscreen
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Physical size2.8 inches7.0 inches
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Resolution-480 x 800 pixels
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Pixel density-133 ppi
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Display colors26214416777216
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Hardware
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CPU1.2 GHz ARM Cortex-A8
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Chipset-Allwinner A13
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GPU-Mali-400
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Memory ROM-16 GB
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Memory RAM-512 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera1.3 MP2 MP
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Primary camera resolution1280 x 1024 pixels1600 x 1200 pixels
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Primary camera videono480p@30fps
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesN/A
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSNoNo
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Features
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Messaging SMSSMS-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Mail
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WAPWAP 2.0/xHTML-
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh2600 mAh
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Battery removable-Non-removable
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Talk time5 h-
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Standby time288 h200 h
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OS
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OS-Android OS, v4.1 (Jelly Bean)