LG GD550 Pure vs Samsung A637
LG GD550 Pure
Samsung A637
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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 2100UMTS 850, 1900
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HSDPA speedHSDPA, 3.6 Mbps-
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2010-82008-10
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Status2010-8
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Design
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SIMMini-SIMMini-SIM
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Height105.5 mm86 mm
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Width51 mm43 mm
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Thickness12.4 mm20 mm
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Weight132 g92 g
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ColorsBlackWhite
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Display
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Display typeTFTTFT
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Physical size2.4 inches1.9 inches
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Resolution240 x 320 pixels144 x 176 pixels
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Pixel density167 ppi120 ppi
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Display colors66560262144
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Hardware
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Internal storage60 MB50 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB8 GB
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Main camera
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Camera typePhoto-
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Main camera5 MP1.3 MP
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Primary camera resolution2560 x 1920 pixels1280 x 1024 pixels
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Primary camera video480p@30fpsvideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesNo
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NotificationsVibration, MP3 ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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Radio-No
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Radio FMStereo FM radio with RDS-
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Connectivity
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WLAN
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USBmicroUSB 2.0Yes
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Bluetoothv2.1v2.0
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Bluetooth A2DPYesYes
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GPSNoNo
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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 EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity900 mAh800 mAh
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Talk time-4 h
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Talk time 2G5 h 30 min-
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Talk time 3G4 h-
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Standby time-350 h
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Standby time 2G320 h-
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Standby time 3G320 h-
