Lenovo K900 vs Samsung R640 Character
Lenovo K900
Samsung R640 Character
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPA 850, 900, 1700, 1900, 2100CDMA2000 1x
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HSPA+ speedHSPA+-
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Speed Yes-Yes
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-12011-7
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Status2013-42011-7
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Design
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SIMMicro-SIMMini-SIM
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Height157 mm107 mm
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Width78 mm55 mm
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Thickness6.9 mm15 mm
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Weight162 g120 g
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Keyboard-QWERTY
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ColorsBlack/GrayElectric Blue
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Display
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Display typeIPS LCD capacitive touchscreenTFT touchscreen
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Physical size5.5 inches2.8 inches
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Resolution1080 x 1920 pixels-
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Pixel density401 ppi-
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Display colors16777216262144
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Hardware
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CPUDual-core 2 GHz
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ChipsetIntel Atom Z2580-
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GPUPowerVR SGX544-
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Memory RAM2 GB-
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Internal storage16, 32 GB-
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSAndroid OS, v4.2 (Jelly Bean)-
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Main camera
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Main camera13 MP1.3 MP
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Primary camera resolution4128 x 3096 pixels1280 x 1024 pixels
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Primary camera video1080p@30fpsno
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-No
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Selfie camera2 MP
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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 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-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv3.0v2.1
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Bluetooth A2DPYesYes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Mail-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2500 mAh1000 mAh
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Battery removableNon-removable-
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Talk time-5 h
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Talk time 2G15 h-
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Talk time 3G12 h-
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Standby time-288 h
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Standby time 2G300 h-
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Standby time 3G300 h-
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