Alcatel OT-310 vs ZTE R221
Alcatel OT-310
ZTE R221
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Network
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2G networkGSM 850, 1900GSM 900, 1800
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GPRSYesYes
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EDGE
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Availability
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Status2012-22014-12
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Oficially announced2012-22014-12
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height103 mm108 mm
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Width58 mm47 mm
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Thickness11.9 mm14 mm
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Weight76 g80 g
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KeyboardQWERTY-
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ColorsCherry Red, Fuchsia, SilverBlack
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Display
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Display typeTFTTFT
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Physical size1.8 inches1.8 inches
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Resolution160 x 128 pixels128 x 160 pixels
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Pixel density114 ppi114 ppi
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Display colors6656066560
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Hardware
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CPU52 MHz
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Internal storage0.4 MB5 MB
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Memory cardmicroSDmicroSD
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Memory card max2 GB2 GB
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLAN
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USBYes
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Bluetooth
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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WAPWAP 2.0/xHTML-
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity500 mAh1000 mAh
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Talk time4 h 30 min9 h
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Standby time250 h280 h
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Main camera
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Primary camera resolution-640 x 480 pixels
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Primary camera video-no
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Selfie camera
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Secondary camera-No
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Browser
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Browser-No