Oppo R811 Real vs ZTE R221
Oppo R811 Real
ZTE R221
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800
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3G networkTD-SCDMA 1880-1920/2010-2025-
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HSPA speedHSPA-
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GPRSYesYes
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EDGEYes
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Availability
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Status2012-122014-12
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Oficially announced2012-102014-12
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height115.2 mm108 mm
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Width61.5 mm47 mm
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Thickness10.9 mm14 mm
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Weight119 g80 g
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ColorsWhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size3.5 inches1.8 inches
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Resolution320 x 480 pixels128 x 160 pixels
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Pixel density165 ppi114 ppi
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Display colors1677721666560
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Hardware
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CPU1 GHz ARM Cortex-A9
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ChipsetMediatek MT6515-
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GPUPowerVR SGX531-
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Memory RAM512 MB-
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Internal storage4 GB5 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB2 GB
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OS
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OSAndroid OS, v4.0.4 (Ice Cream Sandwich)-
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Main camera
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Main camera3.15 MP
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Primary camera resolution2048 x 1536 pixels640 x 480 pixels
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Primary camera videovideono
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraYesNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0
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BluetoothYes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging Push EmailPush Email-
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLHTML5-
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Browser-No
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1520 mAh1000 mAh
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Talk time10 h9 h
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Standby time250 h280 h
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