Celkon A87 vs Vodafone Chat 655
Celkon A87
Vodafone Chat 655
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-12014-12
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Status2013-12014-12
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height112 mm
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Width61.1 mm
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Thickness11 mm
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Weight104 g
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Keyboard-QWERTY
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ColorsBlack, WhiteGray
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Display
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Display typeCapacitive touchscreenTFT
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Physical size4.0 inches2.4 inches
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Resolution480 x 800 pixels320 x 240 pixels
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Pixel density233 ppi167 ppi
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Hardware
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CPU1 GHz
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ChipsetSpreadtrum 6820-
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Memory RAM512 MB-
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Internal storage512 MB64 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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OS
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OSAndroid OS, v2.3.6 (Gingerbread)-
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Main camera
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Main camera5 MP2 MP
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Primary camera resolution2592 x 1936 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYes-
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USBYes2.0
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BluetoothYesYes
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GPSNoYes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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JavaYes, via Java MIDP emulatorYes
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Browser
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HTML-Yes
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1450 mAh-
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Talk time3 h5 h
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Standby time220 h509 h
