Samsung R351 Freeform vs Sony Ericsson V640
Samsung R351 Freeform
Sony Ericsson V640
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Network
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2G networkCDMA 800, 1900GSM 900, 1800, 1900
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3G networkCDMA2000 1xHSDPA 2100
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HSDPA speed-HSDPA
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Speed YesYes-
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GPRSYes
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EDGE
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Availability
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Oficially announced2009-82007-9
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Status2009-8
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Design
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SIMMini-SIMMini-SIM
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Height112 mm103 mm
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Width61 mm47 mm
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Thickness13 mm15.5 mm
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Weight103 g97 g
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KeyboardQWERTY-
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ColorsBlack, RedHavana Gold, Quick Black
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Display
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Display typeTFTTFT
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Physical size2.2 inches2.0 inches
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Resolution220 x 176 pixels176 x 220 pixels
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Pixel density128 ppi141 ppi
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Display colors262144262144
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Hardware
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Internal storage55 MB32 MB
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Memory cardmicroSDMemory Stick Micro (M2)
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Memory card max-4 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 videovideovideo
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Selfie camera
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Secondary cameraNo-
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Secondary camera videocalling-videocalling
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration; Downloadable polyphonic, MP3, AAC ringtones, composer
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio with RDS
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Connectivity
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WLAN
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USBmicroUSB 2.02.0
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Bluetoothv2.0v2.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMSSMS
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Messaging EMS-EMS
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Messaging MMSMMSMMS
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Messaging Instant Messaging-Instant Messaging
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Messaging EmailEmailEmail
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RSS-RSS reader
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WAPWAP 2.0/xHTML-
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh-
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Talk time6 h-
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Talk time 2G-9 h
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Talk time 3G-5 h
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Standby time200 h-
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Standby time 2G-300 h
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Standby time 3G-300 h
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Browser
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HTML-HTML (NetFront 3.3)