Bird S661 vs Samsung R520 Trill
Bird S661
Samsung R520 Trill
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Network
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2G networkGSM 900, 1800CDMA 800, 1900
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3G network-CDMA2000 1xEV-DO
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EV-DO speed-153.2 kbps
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GPRS
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EDGE
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Availability
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Oficially announced2014-122009-9
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Status2009-10
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Design
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SIMMini-SIMMini-SIM
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Height105.3 mm101 mm
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Width44 mm50 mm
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Thickness15.8 mm14 mm
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Weight80 g97 g
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ColorsBlack, PinkBlack, Blue
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Display
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Display typeCSTNTFT
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Physical size1.5 inches2.2 inches
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Resolution128 x 128 pixels176 x 220 pixels
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Pixel density121 ppi128 ppi
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Display colors66560262144
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Hardware
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Internal storage-1 GB
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Memory cardmicroSD
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Sound
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3.5mm jackNoYes
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LoudspeakerNoYes
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NotificationsVibration; Downloadable polyphonic, MIDI ringtonesVibration; MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLAN
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USB2.0
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Bluetoothv2.0
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Bluetooth A2DP-Yes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMS-MMS
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Messaging Email-Email
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WAP-WAP 2.0/xHTML
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JavaNoYes
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Java MIDP-MIDP 2.0
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Browser
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HTML-Yes
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity700 mAh880 mAh
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Talk time3 h4 h 30 min
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Standby time140 h300 h
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Main camera
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Main camera1.3 MP
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Primary camera resolution-1280 x 1024 pixels
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Primary camera video-video
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Selfie camera
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Secondary camera-No