Celkon A9 Dual vs Philips T539
Celkon A9 Dual
Philips T539
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Network
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2G networkGSM 900, 1800GSM 900, 1800, 1900
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3G network-TD-SCDMA
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HSPA speed-HSPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122012-11
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Status2012-11
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Design
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SIMDual SIMDual SIM (Mini-SIM)
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Height120.5 mm131 mm
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Width63.9 mm68 mm
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Thickness10.6 mm11.2 mm
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Weight116 g
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ColorsBlack, WhiteBlack/Gold
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.5 inches4.3 inches
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Resolution320 x 480 pixels480 x 800 pixels
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Pixel density165 ppi217 ppi
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Display colors-262144
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Hardware
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CPUDual-core 1 GHz
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Memory ROM-512 MB
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Memory RAM256 MB-
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Internal storage512 MB180 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android OS, v2.3 (Gingerbread)
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Main camera
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels2592 x 1944 pixels
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Primary camera videovideo480p
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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-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.02.0
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BluetoothYesYes
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GPSYesYes, with A-GPS
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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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JavaNoYes, via Java MIDP emulator
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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 capacity1350 mAh1630 mAh
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Talk time3 h 20 min6 h
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Standby time240 h240 h
