Asus Zenfone 4 vs Yezz Classic C21A
Asus Zenfone 4
Yezz Classic C21A
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100-
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HSDPA speedHSDPA, 42.2 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-12013-3
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Status2014-52013-4
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height124.4 mm106 mm
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Width61.4 mm45 mm
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Thickness11.2 mm14.5 mm
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Weight115 g73 g
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ColorsCharcoal Black, Cherry Red, Pearl White, Sky Blue, Solar YellowBlack, Blue, Fuchsia, Green, Purple, Red, White
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size4.0 inches1.8 inches
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Resolution480 x 800 pixels128 x 160 pixels
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Pixel density233 ppi114 ppi
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Display colors16777216262144
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Hardware
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CPUDual-core 1.2 GHz
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ChipsetIntel Atom Z2520-
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GPUPowerVR SGX544MP2-
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Memory RAM1 GB-
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Internal storage4, 8 GB64 MB
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Memory cardmicroSDmicroSD
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Memory card max64 GB32 GB
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OS
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OSAndroid OS, v4.3 (Jelly Bean)-
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Main camera
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Main camera5 MP
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Primary camera resolution2592 x 1944 pixels640 x 480 pixels
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Primary camera video1080p@30fpsno
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Primary camera Autofocusautofocus-
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Camera features-No
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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 ringtonesVibration, Polyphonic
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0v2.0
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSYes, with A-GPSNo
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GLONASSYes-
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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 IMIMIM
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Messaging Push EmailPush Email-
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WAP-Yes
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1200/1600 mAh600 mAh
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Talk time10 h4 h
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Standby time192 h200 h
