O2 XDA Zest vs Samsung Galaxy A
O2 XDA Zest
Samsung Galaxy A
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 2100
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HSDPA speedHSDPA, 3.6 MbpsHSDPA, 7.2 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2010-5
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Oficially announced2008-112010-4
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Design
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SIMMini-SIMMini-SIM
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Height102 mm119.5 mm
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Width60.5 mm59.8 mm
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Thickness16.5 mm12.5 mm
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Weight102.5 g128 g
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ColorsBlackCream White, Deep Black
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Display
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Display typeTFT resistive touchscreenSuper AMOLED capacitive touchscreen
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Physical size2.8 inches3.7 inches
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Resolution480 x 640 pixels480 x 800 pixels
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Pixel density286 ppi252 ppi
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Display colors6656016777216
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Hardware
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CPU624 MHz Marvell TavorP720 MHz ARM Cortex-A8
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Chipset-TI OMAP 3430
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GPU-PowerVR SGX530
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Memory ROM256 MB1 GB
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Memory RAM128 MB384 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB32 GB
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Memory card included-8 GB
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OS
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OSMicrosoft Windows Mobile 6.1 ProfessionalAndroid OS, v2.1 (Eclair)
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Main camera
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera videovideo720p
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Primary camera Autofocusautofocusautofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraVGA cameraVGA camera
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3, WAV, WMA ringtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g, 802.11n
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USBminiUSB 1.1microUSB 2.0
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Bluetoothv2.0v2.1
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Bluetooth A2DPYesYes
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GPSYes, with A-GPS, SiRF Star III chipsetYes, 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 Instant MessagingInstant Messaging-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Mail
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 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 capacity1300 mAh1500 mAh
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Talk time5 h-
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Talk time 2G-13 h 20 min
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Talk time 3G-7 h 30 min
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Standby time260 h-
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Standby time 2G-560 h
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Standby time 3G-450 h